Effective Date: January 2026
Cars.com, DealerRater, and Cars Commerce and its related entities (collectively, “Company”, “our”, “we”, or “us”) take your privacy seriously and encourage you to understand our use of automated data collection mechanisms in connection with our websites including Cars.com, carscommerce.inc, dealerrater.com, and their related domains, platforms, social media channels, software applications, mobile applications, services, information, web postings, products and tools (collectively, “Service(s)” or “Websites”). As discussed in greater detail within this Cookie Policy, our collection of data through the use of these technologies helps us, among other things, to provide you with a positive experience and potential offerings when you browse our Websites.
We use cookies, Pixels and similar technologies as automatic data collection mechanisms that collect information, including in some instances personal information, from users of our Services. Third parties also place these tools on our Websites to collect and process information about our users for various purposes, including for security, for analytics, and to facilitate targeted advertising. Please carefully review the linked information associated with each tool, which is also set forth below.
By visiting our Websites, or otherwise using our Services, you consent to our use of cookies, Pixels and similar technologies as detailed in this Cookie Policy. Please visit our Cookie Chart below for further details about which cookies and Pixels we use in connection with our Services. Except for strictly necessary cookies, all technologies will expire after the associated period identified in the Cookie Chart. If you have any questions or concerns about our use of cookies, please send us an email at privacy@cars.com.
Certain analytics/advertising technologies described below may constitute a “sale” or “sharing” of personal information as defined under the California Consumer Privacy Act (“CCPA”) and other U.S. data privacy laws. We provide a “Do Not Sell or Share My Personal Information” mechanism available here and honor applicable opt‑out preference signals (e.g., Global Privacy Control).
- What kinds of technologies are used?
Cookies.
A cookie is a small text file that we store on your browser or the hard drive of your computer. They are used to make websites function and to collect information to facilitate more secure, efficient, and customized user experiences. Cookie use is standard for most websites.
We use four types of cookies in connection with our Services:
- Strictly necessary cookies. These are cookies that are required for the operation of our Services. These essential cookies are always enabled because our Services won’t work properly without them. They include, for example, cookies that enable you to log into any secure areas of our Websites, load balancing, fraud prevention, and authentication. You can switch off these cookies in your browser settings, but you may then not be able to access all or parts of our Websites.
- Analytical/Functional cookies. These cookies enable the website to provide enhanced functionality and personalisation. They may be set by us or by third party providers whose services we have added to our pages. If you do not allow these cookies then some or all of these services may not function properly.
- Performance cookies. These cookies allow us to count visits and traffic sources so we can measure and improve the performance of our site. They help us to know which pages are the most and least popular and see how visitors move around the site. All information these cookies collect is aggregated and therefore anonymous. If you do not allow these cookies we will not know when you have visited our site, and will not be able to monitor its performance.
- Targeting cookies. These cookies may be set through our site by our advertising partners. They may be used by those companies to build a profile of your interests and show you relevant adverts on other sites. They do not store directly personal information, but are based on uniquely identifying your browser and internet device. If you do not allow these cookies, you will experience less targeted advertising.
Pixels.
Pixels, tags, clear gifs, SDKs, JavaScript tags and similar technologies (collectively “Pixels”) are very small code or graphic images that helps use to analyze users’ behavior in connection with our Websites and to measure the effectiveness of our Services and related advertising. We use Pixels on our Websites to collect information about users’ use of our Services, such as which Website pages you view, which features or links you use, or other such actions you take relative to our Services. Types of information that Pixels may gather include the IP address of the device you use to access the Services, date and time information, immediate browsing history, approximate location and technical information about your device such as the browser type and operating system. Pixels can also allow us, or third parties, to place cookies on your device.
- What is the purpose of these technologies?
We use cookies and Pixels in connection with our Services for the purposes of furthering security, customization, analytics, and advertising. We, or our service providers on our behalf, use the technologies described above for the following purposes.
Security.
Cookies support our Services’ security features, helping to make your experience with our Services more secure. For instance, we can use cookie data to help identify malicious or illegal behavior.
Customization.
Cookies allow us to retain your preferred settings for our Services and deliver a customized experience to you, such as by saving your username and other profile information, previous searches, and information regarding your previously viewed products or services. By retaining this information, we can present you with information that is consistent with your prior use of our Services and likely interests.
Analytics and Performance
We want to provide you with information that interests you. Cookies allow us to determine which aspects of our Services are more (or less) popular with our users, including our websites, e-mails, job postings, advertisements, or other content. We can use that information to understand and improve upon our Services, as well as to develop new features to serve you better. Such usage information forms the basis for reports generated to provide us aggregated information about the utilization of our Services.
Advertising and Social Media.
Marketing cookies and Pixels permit more efficient delivery of advertisements to you including services and products in which you are more likely to be interested. They also help us track the effectiveness of our marketing efforts. Social media cookies and Pixels can track your browser activity across other sites and create a profile of things that are likely of interest to you.
- Do third parties use these technologies relating to Company’s products and services?
Yes. Please note that, as identified in our Cookie Chart, third parties also use cookies in connection with our Services. These named third parties may include, for example, advertising networks and providers of external services like web traffic analysis services.
- Cookie/Pixel Chart
| Name | Purpose | First or Third Party |
| STRICTLY NECESSARY | ||
| bm_sv | This cookie is associated with Akamai and is used to differentiate between traffic from humans and bots. | First |
| ak_bmsc | This cookie is associated with Akamai and is used to differentiate between traffic from humans and bots. | First |
| dd_cookie_test_ | dd_cookie_test | First |
| __cf_bm | The __cf_bm cookie is a cookie necessary to support Cloudflare Bot Management, currently in private beta. As part of our bot management service, this cookie helps manage incoming traffic that matches criteria associated with bots. This is a CloudFoundry cookie | First |
| OptanonAlertBoxClosed | This cookie is set by websites using certain versions of the cookie law compliance solution from OneTrust. It is set after visitors have seen a cookie information notice and in some cases only when they actively close the notice down. It enables the website not to show the message more than once to a user. The cookie has a one year lifespan and contains no personal information. | First |
| GCLB | This cookie is used to ensure that server traffic is directed to the same server in all browsing sessions to maintain a consistent user experience. | First |
| bm_mi | This cookie is associated with Akamai. It is used to analyse traffic to determine if it is automated traffic generated by bots or a human user. | First |
| CARS_trip_id | First | |
| __eoi | This cookie name __eoi is associated with Google which is used to detect spam and improve the website’s security. | First |
| ak_bmsc | This cookie is associated with Akamai and is used to differentiate between traffic from humans and bots. | First |
| CARS_has_visited | First | |
| _cars_web_key | First | |
| _ScCbts | This cookie name is associated with SnapChat which is used for targeted advertising.TS | First |
| g_state | This cookie name is associated with Google One Tap which is used to manage user sign-out status and prevent CSRF attacks. | First |
| _ScCbts | TS | First |
| PHPSESSID | PHP session cookie associated with embedded content from this domain. | First |
| iovoxMCM | First | |
| _abck | First | |
| bm_sz | First | |
| OptanonConsent | This cookie is set by the cookie compliance solution from OneTrust. It stores information about the categories of cookies the site uses and whether visitors have given or withdrawn consent for the use of each category. This enables site owners to prevent cookies in each category from being set in the users browser, when consent is not given. The cookie has a normal lifespan of one year, so that returning visitors to the site will have their preferences remembered. It contains no information that can identify the site visitor. | First |
| CARS_als_loaded | First | |
| bm_sv | This cookie is associated with Akamai and is used to differentiate between traffic from humans and bots. | First |
| __eoi | This cookie name __eoi is associated with Google which is used to detect spam and improve the website’s security. | First |
| bm_mi | This cookie is associated with Akamai. It is used to analyse traffic to determine if it is automated traffic generated by bots or a human user. | First |
| CARS_search_session | First | |
| CARS_logged_in | Boolean cookie to track if the Cars.com user is logged in or not | First |
| __eoi | This cookie name __eoi is associated with Google which is used to detect spam and improve the website’s security. | First |
| OptanonConsent | This cookie is set by the cookie compliance solution from OneTrust. It stores information about the categories of cookies the site uses and whether visitors have given or withdrawn consent for the use of each category. This enables site owners to prevent cookies in each category from being set in the users browser, when consent is not given. The cookie has a normal lifespan of one year, so that returning visitors to the site will have their preferences remembered. It contains no information that can identify the site visitor. | First |
| ASP.NET_SessionId | General purpose platform session cookie, used by sites written with Miscrosoft .NET based technologies. Usually used to maintain an anonymised user session by the server. | First |
| OptanonAlertBoxClosed | This cookie is set by websites using certain versions of the cookie law compliance solution from OneTrust. It is set after visitors have seen a cookie information notice and in some cases only when they actively close the notice down. It enables the website not to show the message more than once to a user. The cookie has a normal lifespan of one year and contains no personal information. | First |
| __dr_env | Determines what environment a user is viewing on the website | First |
| drCookie | User authentication for login | First |
| __cf_bm | This is a CloudFoundry cookie | Third |
| iovoxMCM | Third | |
| OneTrust | OneTrust LLC (OneTrust) is a provider of privacy management software platform. The company’s platform supports organizations to adhere compliance with the data privacy, governance and security regulations across sectors and jurisdictions. | Third |
| PERFORMANCE COOKIES | ||
| FPID | A cookie from Google that stores a value used for setting the Client ID in the request to Google’s servers for the purpose of web analytics. For more information about Google's processing of your personal data, please consult Google's <a href=”https://business.safety.google/privacy/” rel=”nofollow”>Privacy & Terms</a> site. | First |
| _ga | This cookie name is associated with Google Universal Analytics – which is a significant update to Google’s more commonly used analytics service. This cookie is used to distinguish unique users by assigning a randomly generated number as a client identifier. It is included in each page request in a site and used to calculate visitor, session and campaign data for the sites analytics reports. By default it is set to expire after 2 years, although this is customisable by website owners. | First |
| _dd_s | First | |
| _gid | This cookie name is associated with Google Universal Analytics. This appears to be a new cookie and as of Spring 2017 no information is available from Google. It appears to store and update a unique value for each page visited._gid | First |
| CARS_marketing_source | First | |
| FPGSID | This cookie name is associated with Google which is used to register statistical data on users’ behavior on the website. | First |
| _pk_ses* | This cookie name is associated with the Piwik open source web analytics platform. It is used to help website owners track visitor behaviour and measure site performance. It is a pattern type cookie, where the prefix _pk_ses is followed by a short series of numbers and letters, which is believed to be a reference code for the domain setting the cookie. | First |
| _pk_id* | This cookie name is associated with the Piwik open source web analytics platform. It is used to help website owners track visitor behaviour and measure site performance. It is a pattern type cookie, where the prefix _pk_id is followed by a short series of numbers and letters, which is believed to be a reference code for the domain setting the cookie. | First |
| _ga | This cookie name is associated with Google Universal Analytics – which is a significant update to Google’s more commonly used analytics service. This cookie is used to distinguish unique users by assigning a randomly generated number as a client identifier. It is included in each page request in a site and used to calculate visitor, session and campaign data for the sites analytics reports. By default it is set to expire after 2 years, although this is customisable by website owners. | First |
| _ga_xxxxxxxxxx | First | |
| _uetvid | This is a cookie utilised by Microsoft Bing Ads and is a tracking cookie. It allows us to engage with a user that has previously visited our website. | First |
| _ga_xxxxxxxxxx | First | |
| _uetvid | This is a cookie utilised by Microsoft Bing Ads and is a tracking cookie. It allows us to engage with a user that has previously visited our website. | First |
| pageviewSessionCount | First | |
| QSI_HistorySession | Used by Qualtrics to store what pages a visitor has visited for the current session if localStorage is disabled. | First |
| _gid | This cookie name is associated with Google Universal Analytics. This appears to be a new cookie and as of Spring 2017 no information is available from Google. It appears to store and update a unique value for each page visited._gid | First |
| _gat | Google Analytics data | First |
| di_roxanne__visit_id | First | |
| _ga | Google Analytics data | First |
| _gid | Google Analytics data | First |
| dealerId | The dealer id associated with the logged in user (if any) | First |
| splitEnabled | Allows the platform to perform A/B testing | First |
| cZipCode | First | |
| __dr_group_rollup_enabled | First | |
| __dr_group_rollup_selection_id | First | |
| QSI_SI_xxx_intercept | Determines if Qualtrics website feedback pop-up was this helpful should display on repeated user visits. Expires based on Intercept settings otherwise perisistent. | Third |
| ak_bmsc | Third | |
| _td_global | Third | |
| ar_debug | This domain is associated with Google Analytics, which provides statistical information about website usage. | Third |
| sc_at | Cookie associated with embedding content from Snapchat. | Third |
| QSI_HistorySession | This domain is owned by Qualtrics, an analytics company. Site Intercept is used to create targeted, engaging messages to visitors. | Third |
| di_roxanne__visit_id | This is a cookie pattern that appends a unique identifier for a website visitor, used for tracking purposes. The cookies in this domain have a lifespan of 10 years. | Third |
| di_roxanne__visitor_id | This is a cookie pattern that appends a unique identifier for a website visitor, used for tracking purposes. The cookies in this domain have a lifespan of 10 years. | Third |
| FUNCTIONAL | ||
| _gdxxxxxxxxxxxxx | This cookie contains no identifying information and is used for diagnostic purposes by Impact Radius, a service we use to track signup commissions for our affiliate program. We have categorized it under Functionality because it is necessary for the operation of our affiliate program. | First |
| _lr_geo_location | The _lr_geo_location cookie is used to determine the location (country) and state (within a country) of a call. | First |
| _td | First | |
| cto_writeable | This cookie is set by the audience manager of a website in order to determine if any additional third-party cookies can be set in the visitor’s browser. | First |
| _lr_geo_location_state | This cookie name is associated with ATS.js which is used to determine the state (within a country) of a call. | First |
| firstPage | The first page of DR a user landson | First |
| uid | First | |
| _localization | First | |
| _csrf | First | |
| WPEngine | WP Engine, the WordPress technology company, provides the most relied upon and trusted brands and developer-centric WordPress products for companies and agencies of all sizes | Third |
| Gstatic | Gstatic.com is a Web domain owned and used by Google for accessing the Gstatic server: a server where Google hosts its static content like CSS, images or JavaScript. | Third |
| Brightcove | Brightcove offers a robust video platform that allows individuals and businesses to share, stream and host. | Third |
| Google AMP | AMP is an open source HTML framework developed by the AMP Open Source Project. | Third |
| For apps or sites, user-generated content is content that users contribute toward any app or site, visible to at least a subset of other users. User-generated content can include text, comments, images, video, profiles, usernames, votes, likes, hearts, or other media, for example. | Third | |
| PR Newswire | PR Newswire, a Cision company, is the premier global provider of multimedia platforms and distribution that marketers, corporate communicators, sustainability officers, public affairs and investor relations officers leverage to engage key audiences. | Third |
| _cfuvid | This domain is owned by Vimeo. The main business activity is: Video Hosting/Sharing | Third |
| __cf_bm | This is a CloudFoundry cookie | Third |
| di_roxanne__traffic_type | This domain is owned by Cars.com which provides digital marketing services for automotive dealerships. | Third |
| _csrf | Third | |
| TARGETING | ||
| connectId | This cookie name is associated with Yahoo and LiveRamp which is used to enable publishers and advertisers to leverage Yahoo ConnectID and Authenticated Traffic Solution for improved addressability and audience engagement within the advertising sector. | First |
| __gpi | Display of personalized advertisements in the Google advertising network based on your pseudonymized surfing behavior collected via Google. Measuring and optimizing the success of our Google Ads advertising campaigns. | First |
| _uetsid | This cookie is used by Bing to determine what ads should be shown that may be relevant to the end user perusing the site. | First |
| cto_pub_test_tld | This cookie is used by the ad network, Criteo. | First |
| cto_tld_test | This is a Criteo cookie used to identify the visitor across visits and devices. This allows the website to present the visitor with relevant advertisement – The service is provided by third-party advertisement hubs, which facilitate real-time bidding for advertisers. | First |
| tfpsi | First | |
| __gpi | First | |
| _uetsid | This cookie is used by Bing to determine what ads should be shown that may be relevant to the end user perusing the site. | First |
| connectId | This cookie name is associated with Yahoo and LiveRamp which is used to enable publishers and advertisers to leverage Yahoo ConnectID and Authenticated Traffic Solution for improved addressability and audience engagement within the advertising sector. | First |
| _tt_enable_cookie | This cookie name is associated with TikTok which is used to collect data about behavior and purchases on the website and to measure the effect of advertising. It is also used to track website activity to help optimize advertising efforts. | First |
| _schn1 | This cookie name is associated with Snapchat which is used to set a unique ID for the visitor, allowing third-party advertisers to target the visitor with relevant advertisements. It facilitates real-time bidding for advertisers and tracks individual sessions on the website to compile statistical data for marketing purposes. | First |
| cto_bundle | First | |
| _scid | Cookie associated with Snapchat. Sets a unique ID for the visitor, that allows third party advertisers to target the visitor with relevant advertisement. This pairing service is provided by third party advertisement hubs, which facilitates realtime bidding for advertisers. | First |
| _rdt_uuid | This cookie is set by Reddit and is used for tracking the views of embedded videos and performance of the advertisements. | First |
| __gads | This cookie is associated with the DoubleClick for Publishers service from Google. Its purpose is to do with the showing of adverts on the site, for which the owner may earn some revenue. | First |
| _sctr | This cookie name is associated with Snap which is used to determine whether a third party tag will be called in Snap Ads Pixel and stores information about the categories of cookies the site uses and whether visitors have given or withdrawn consent for the use of each category. | First |
| _screload | Retrieving data. Wait a few seconds and try to cut or copy again. | First |
| _scid | Cookie associated with Snapchat. Sets a unique ID for the visitor, that allows third party advertisers to target the visitor with relevant advertisement. This pairing service is provided by third party advertisement hubs, which facilitates realtime bidding for advertisers. | First |
| _gcl_au | Used by Google AdSense for experimenting with advertisement efficiency across websites using their services | First |
| ttcsid_XXXXXXXXXXXXXXXXXXXXCategory | This cookie name is associated with TikTok which is used to track your activity on the platform, including how you interact with their embedded services on other websites.This cookie is associated with TikTok. It helps track your activity on the platform, including how you interact with their embedded services on other websites. | First |
| FPLC | This FPLC cookie is the cross-domain linker cookie For more information about Google's processing of your personal data, please consult Google's <a href=”https://business.safety.google/privacy/” rel=”nofollow”>Privacy & Terms</a> site. | First |
| cto_bundle | This cookie is associated with Criteo’s advertising platform. It tracks user activity and ad engagement to provide targeted advertising. | First |
| _scid_r | Retrieving data. Wait a few seconds and try to cut or copy again. | First |
| cto_bundle | This cookie is associated with Criteo’s advertising platform. It tracks user activity and ad engagement to provide targeted advertising. | First |
| _gat_gtag_xxxxxxxxxxxxxxxxxxxxxxxxxxx | Google Analytics | First |
| _rdt_uuid | This cookie is set by Reddit and is used for tracking the views of embedded videos and performance of the advertisements. | First |
| _ttp | This cookie is typically associated with the use of Taptap Digital, a company specializing in digital advertising. It is used for tracking and ad personalization purposes. | First |
| ttcsid | This cookie name is associated with TikTok which is used to enable TikTok Ads session tracking by assigning a unique session ID to users who click on TikTok ads, allowing for the attribution of user behavior and conversions within the same session.This cookie is associated with TikTok. It helps track your activity on the platform, including how you interact with their embedded services on other websites. | First |
| _lab | First | |
| _tt_enable_cookie | This cookie name is associated with TikTok which is used to collect data about behavior and purchases on the website and to measure the effect of advertising. It is also used to track website activity to help optimize advertising efforts. | First |
| __gads | This cookie is associated with the DoubleClick for Publishers service from Google. Its purpose is to do with the showing of adverts on the site, for which the owner may earn some revenue. | First |
| _fbp | Used by Facebook to deliver a series of advertisement products such as real time bidding from third party advertisers | First |
| tfpvi | First | |
| __gads | This cookie is associated with the DoubleClick for Publishers service from Google. Its purpose is to do with the showing of adverts on the site, for which the owner may earn some revenue. For more information about Google's processing of your personal data, please consult Google's <a href=”https://business.safety.google/privacy/” rel=”nofollow”>Privacy & Terms</a> site. | First |
| _sctr | This cookie name is associated with Snap which is used to determine whether a third party tag will be called in Snap Ads Pixel and stores information about the categories of cookies the site uses and whether visitors have given or withdrawn consent for the use of each category. | First |
| ttcsid | This cookie name is associated with TikTok which is used to enable TikTok Ads session tracking by assigning a unique session ID to users who click on TikTok ads, allowing for the attribution of user behavior and conversions within the same session.This cookie is associated with TikTok. It helps track your activity on the platform, including how you interact with their embedded services on other websites. | First |
| ttcsid_XXXXXXXXXXXXXXXXXXXXCategory | This cookie name is associated with TikTok which is used to track your activity on the platform, including how you interact with their embedded services on other websites.This cookie is associated with TikTok. It helps track your activity on the platform, including how you interact with their embedded services on other websites. | First |
| _gat_UA- | Google Analytics data | First |
| _gcl_au | Google Analytics data | First |
| _fbp | Facebook related data | First |
| __gpi | Display of personalized advertisements in the Google advertising network based on your pseudonymized surfing behavior collected via Google. Measuring and optimizing the success of our Google Ads advertising campaigns. For more information about Google's processing of your personal data, please consult Google's <a href=”https://business.safety.google/privacy/” rel=”nofollow”>Privacy & Terms</a> site. | First |
| _knxq_ | This domain is likely associated with advertising and marketing activities, typically used for displaying brand-related content and tracking for advertising purposes. | Third |
| c | This domain is associated with Sportradar, a company that provides sports data and content to media companies, sports federations, and betting industries. The cookies may be used for tracking and analytics to improve user experience or for targeted advertising. | Third |
| uid | This domain is owned by Criteo. The main business activity is: Advertising | Third |
| APC | This domain is owned by Doubleclick (Google). The main business activity is: Doubleclick is Googles real time bidding advertising exchange | Third |
| icu | This domain is owned by AppNexus Inc. The company provides a range of online advertising technology and services. | Third |
| audit | This domain is owned by Rubicon Project. The main business activity is: Advertising | Third |
| bsw_origin_init | This domain is owned by IPONWEB and is used to provide a real time bidding platform for online advertising. | Third |
| TDCPM | This domain is owned by TheTradeDesk. The main business activity is: Ad Serving Platform | Third |
| pxrc | This domain is owned by Live Ramp Inc, providers of a platform for targeted marketing and profiling. | Third |
| flashtalkingad1 | This domain is owned by Flashtalking. The main business activity is: Advertising | Third |
| audit_p | This domain is owned by Rubicon Project. The main business activity is: Advertising | Third |
| pid | This domain is owned by Smart Ad Server. The main business activity is: Advertising | Third |
| CMID | This domain is owned by Casale Media. The main business activity is: Advertising | Third |
| sp | This domain is owned by Quantcast. The main business activity is: Market and Audience Segmentation, Targeted advertising services | Third |
| SyncRTB4 | This domain is owned by Pubmatic. It operates an advertising exchange platform where online publishers can sell targeted advertising space to media buyers using real time bidding. | Third |
| KADUSERCOOKIE | This domain is owned by Pubmatic. It operates an advertising exchange platform where online publishers can sell targeted advertising space to media buyers using real time bidding. | Third |
| __adroll_shared | This domain is owned by Adroll. The main business activity is: Retargeting Advertising Platform | Third |
| _tracker | Travel Audience is an advertising platform that connects advertisers with a network of travel sites. It uses cookies for targeting and advertising purposes to deliver relevant ads to users. | Third |
| uid | This domain is owned by Criteo. The main business activity is: Advertising | Third |
| _lab | Third | |
| uuid | This domain is owned by MediaMath Inc. a US based digital advertising business. | Third |
| TID | This domain is owned by Insight Express. The main business activity is: Market Research, Data Analytics, Advertising Effectiveness Measurement | Third |
| CDIUSER | Used to track usage of the embedded video player. | Third |
| DW_Time | This domain is owned by Insight Express. The main business activity is: Market Research, Data Analytics, Advertising Effectiveness Measurement | Third |
| everest_g_v2 | This domain is owned by Adobe. The main business activity is: Advertising | Third |
| IDSYNC | This domain is owned by Yahoo Inc. whose main business model is online advertising. Although this domain is associated with Yahoo’s web analytics service, because these are third party cookies they can allow Yahoo, in combination with other cookies set, to collect data for targeted advertising purposes. | Third |
| rud | This domain is owned by Rocketfuel. The main business activity is: Advertising | Third |
| tuuid_lu | This host is owned by Platform161 it is used to serve advertisements. | Third |
| tuuid | This domain is owned by IPONWEB and is used to provide a real time bidding platform for online advertising. | Third |
| ipc | This domain is owned by Pubmatic. It operates an advertising exchange platform where online publishers can sell targeted advertising space to media buyers using real time bidding. | Third |
| test_cookie | This domain is owned by Doubleclick (Google). The main business activity is: Doubleclick is Googles real time bidding advertising exchange | Third |
| id5 | This domain is associated with ID5, a company that provides online identification solutions for ad tech companies, enabling them to create and distribute a unique user ID to track individuals for advertising purposes. | Third |
| ov | This domain is owned by Media Innovation Group, as US based digital marketing business. The main business focus is providing targeted online marketing services. | Third |
| ANON_ID | This domain is owned by TribalFusion. The main business activity is: Advertising | Third |
| XID | This domain is owned by ScorecardResearch (comScore). The main business activity is: Advertising. The cookies in this domain have lifespans of 2 years. | Third |
| receive-cookie-deprecation | This domain is owned by Rubicon Project. The main business activity is: Advertising | Third |
| DW | This domain is owned by Insight Express. The main business activity is: Market Research, Data Analytics, Advertising Effectiveness Measurement | Third |
| tuuid_lu | This domain is owned by IPONWEB and is used to provide a real time bidding platform for online advertising. | Third |
| 3pi | This domain is associated with ID5, a company that provides online identification solutions for ad tech companies, enabling them to create and distribute a unique user ID to track individuals for advertising purposes. | Third |
| optout | This domain is owned by Criteo. The main business activity is: Advertising | Third |
| clinch-sid | This domain is associated with Clinch, an advertising technology company that provides personalized creative advertising and dynamic ad serving for programmatic and social media advertising. | Third |
| A3 | This domain is owned by Yahoo. The main business activity is: Search / Advertising | Third |
| trx | RevJet is an advertising technology company that provides a platform for ad serving and optimization. | Third |
| c | This domain is owned by IPONWEB and is used to provide a real time bidding platform for online advertising. | Third |
| _ttp | TikTok is a social media platform owned by ByteDance, known for short-form video sharing. The service is used to create and share videos, and it utilizes cookies for various purposes including advertising and analytics. | Third |
| id | This domain is owned by Media Innovation Group, as US based digital marketing business. The main business focus is providing targeted online marketing services. | Third |
| ibkukinet | This domain is owned by Media Innovation Group. The main business activity is: Advertising | Third |
| MR | This domain is owned by Microsoft – it is the site for the search engine Bing. | Third |
| ADGRX_CM_CASALE_BRIDGED | This domain is owned by AdGear, a Canadian advertising technology network company. | Third |
| ads | RevJet is an advertising technology company that provides a platform for ad serving and optimization. | Third |
| KRTBCOOKIE_XXXX | This cookie is used to correlate IDs with those of Pubmatic partners (such as demand side platform clients or other advertising technology companies). Pubmatic passes information stored by the partner in this cookie to the partner when it is considering whether to purchase advertisements. This enables the partner to make better decisions about whether to display an advertisement to you. | Third |
| cto_bundle | This domain is owned by Criteo. The main business activity is: Advertising | Third |
| zuuid_k | This domain is associated with Sportradar, a company that provides sports data and content to media companies, sports federations, and betting industries. The cookies may be used for tracking and analytics to improve user experience or for targeted advertising. | Third |
| pi | This domain is owned by Pubmatic. It operates an advertising exchange platform where online publishers can sell targeted advertising space to media buyers using real time bidding. | Third |
| fr | Contains browser and user unique ID combination, used for targeted advertising. | Third |
| id5_unrecognized | This domain is associated with ID5, a company that provides online identification solutions for ad tech companies, enabling them to create and distribute a unique user ID to track individuals for advertising purposes. | Third |
| ar_debug | This domain is owned by Doubleclick (Google). The main business activity is: Doubleclick is Googles real time bidding advertising exchange | Third |
| ADGRX_UID | This domain is owned by AdGear, a Canadian advertising technology network company. | Third |
| ab | This domain is owned by Aggregate Knowledge, which has been acquired by Neustar Inc. Aggregate Knowledge provides a data management platform which enables real time targeting and consumer profiling functionality. | Third |
| criteo_write_test | Third | |
| CMPS | This domain is owned by Casale Media. The main business activity is: Advertising | Third |
| UID | This domain is owned by ScorecardResearch (comScore). The main business activity is: Advertising. The cookies in this domain have lifespans of 2 years. | Third |
| C | This domain is owned by Adform. The main business activity is: Real time bidding for display advertising to targeted audiences. | Third |
| tv_UIDF | This domain is owned by Tremor Video which provides a marketplace for online video based cross-device advertising. | Third |
| ASP.NET_SessionId | The ownership of this domain is hidden behind a privacy registration service. Its purpose is unknown, but the cookies used and sites found on indicate a purpose of user tracking across domains. | Third |
| PugT | This domain is owned by Pubmatic. It operates an advertising exchange platform where online publishers can sell targeted advertising space to media buyers using real time bidding. | Third |
| DSID | This domain is owned by Doubleclick (Google). The main business activity is: Doubleclick is Googles real time bidding advertising exchange | Third |
| KTPCACOOKIE | This domain is owned by Pubmatic. It operates an advertising exchange platform where online publishers can sell targeted advertising space to media buyers using real time bidding. | Third |
| suid_legacy | These cookies may be set through our site by our advertising partners. They may be used by those companies to build a profile of your interests and show you relevant adverts on other sites. They do not store directly personal information, but are based on uniquely identifying your browser and internet device. If you do not allow these cookies, you will experience less targeted advertising. | Third |
| ASP.NET_SessionId | This domain is owned by Media Innovation Group. The main business activity is: Advertising | Third |
| bitoIsSecure | This domain appears to be registered privately in the US. The purpose of its cookies is unclear. In the absence of further information they are classified in the most intrusive category. | Third |
| uid | This domain is owned by Adform. The main business activity is: Real time bidding for display advertising to targeted audiences. | Third |
| IXAI81202 | This domain is owned by Insight Express. The main business activity is: Market Research, Data Analytics, Advertising Effectiveness Measurement | Third |
| chkChromeAb67Sec | This domain is owned by Pubmatic. It operates an advertising exchange platform where online publishers can sell targeted advertising space to media buyers using real time bidding. | Third |
| cookietest | Common cookie name could have a number of different origins.? Where this is first party and a session cookie, its most likely to do with checking to see if the browser is set to block or allow cookies.Common cookie name could have a number of different origins.? Where this is first party and a session cookie, its most likely to do with checking to see if the browser is set to block or allow cookies.Common cookie name could have a number of different origins. Where this is first party and a session cookie, its most likely to do with checking to see if the browser is set to block or allow cookies. | Third |
| eud | This domain is owned by Rocketfuel. The main business activity is: Advertising | Third |
| uuid2 | This domain is owned by AppNexus Inc. The company provides a range of online advertising technology and services. | Third |
| khaos | This domain is owned by Rubicon Project. The main business activity is: Advertising | Third |
| zuuid | This domain is associated with Sportradar, a company that provides sports data and content to media companies, sports federations, and betting industries. The cookies may be used for tracking and analytics to improve user experience or for targeted advertising. | Third |
| khaos_p | This domain is owned by Rubicon Project. The main business activity is: Advertising | Third |
| CDIPARTNERS | DeepIntent is a marketing technology company that operates in the healthcare and pharmaceutical advertising sectors, providing targeted digital advertising solutions. | Third |
| checkForPermission | This domain appears to be registered privately in the US. The purpose of its cookies is unclear. In the absence of further information they are classified in the most intrusive category. | Third |
| uid | This domain is owned by Turn. The main business activity is: Marketing and Data Management Platform provider | Third |
| TapAd_TS | TS | Third |
| lidc | This domain is owned by LinkedIn, the business networking platform. It typically acts as a third party host where website owners have placed one of its content sharing buttons in their pages, although its content and services can be embedded in other ways. Although such buttons add functionality to the website they are on, cookies are set regardless of whether or not the visitor has an active Linkedin profile, or agreed to their terms and conditions. For this reason it is classified as a primarily tracking/targeting domain. | Third |
| ADV-BCID | Third | |
| __adroll | This domain is owned by Adroll. The main business activity is: Retargeting Advertising Platform | Third |
| ruds | This domain is owned by Rocketfuel. The main business activity is: Advertising | Third |
| receive-cookie-deprecation | This domain is owned by Casale Media. The main business activity is: Advertising | Third |
| tvid | This domain is owned by Tremor Video which provides a marketplace for online video based cross-device advertising. | Third |
| c | This host is owned by Platform161 it is used to serve advertisements. | Third |
| DotomiTest | This domain is owned by Dotomi. The main business activity is: Profiling and Personalised Display Advertising | Third |
| MUID | This domain is owned by Microsoft – it is the site for the search engine Bing. | Third |
| mc | This domain is owned by Quantcast. The main business activity is: Market and Audience Segmentation, Targeted advertising services | Third |
| receive-cookie-deprecation | This domain is owned by Adroll. The main business activity is: Retargeting Advertising Platform | Third |
| ssi | This domain is owned by Sitescout. The main business activity is: Real time advertising platform | Third |
| u | This domain is owned by Aggregate Knowledge, which has been acquired by Neustar Inc. Aggregate Knowledge provides a data management platform which enables real time targeting and consumer profiling functionality. | Third |
| vampid | VideoAmp is a USA based business providing cross-device and cross-channel audience tracking for targeted marketing purposes. | Third |
| sa-user-id-v2 | This domain is associated with StackAdapt, a platform for programmatic advertising, which uses cookies for targeting and advertising purposes. | Third |
| sa-user-id | This domain is associated with StackAdapt, a platform for programmatic advertising, which uses cookies for targeting and advertising purposes. | Third |
| _ftv | This domain is associated with market research surveys and is used to identify and recruit survey participants. | Third |
| IDE | This domain is owned by Doubleclick (Google). The main business activity is: Doubleclick is Googles real time bidding advertising exchange | Third |
| bcookie | This domain is owned by LinkedIn, the business networking platform. It typically acts as a third party host where website owners have placed one of its content sharing buttons in their pages, although its content and services can be embedded in other ways. Although such buttons add functionality to the website they are on, cookies are set regardless of whether or not the visitor has an active Linkedin profile, or agreed to their terms and conditions. For this reason it is classified as a primarily tracking/targeting domain. | Third |
| sa-user-id-v3 | This domain is associated with StackAdapt, a platform for programmatic advertising, which uses cookies for targeting and advertising purposes. | Third |
| tuuid | This host is owned by Platform161 it is used to serve advertisements. | Third |
| ANON_ID_old | This domain is owned by TribalFusion. The main business activity is: Advertising | Third |
| SONATA_ID | TapTap Networks provides advertising and marketing services, focusing on mobile and cross-device advertising solutions. | Third |
| _ssuma | This domain is owned by Sitescout. The main business activity is: Real time advertising platform | Third |
| XANDR_PANID | This domain is owned by AppNexus Inc. The company provides a range of online advertising technology and services. | Third |
| bito | This domain appears to be registered privately in the US. The purpose of its cookies is unclear. In the absence of further information they are classified in the most intrusive category. | Third |
| TDID | This domain is owned by TheTradeDesk. The main business activity is: Ad Serving Platform | Third |
| zuuid_lu | This domain is associated with Sportradar, a company that provides sports data and content to media companies, sports federations, and betting industries. The cookies may be used for tracking and analytics to improve user experience or for targeted advertising. | Third |
| zuuid_k_lu | This domain is associated with Sportradar, a company that provides sports data and content to media companies, sports federations, and betting industries. The cookies may be used for tracking and analytics to improve user experience or for targeted advertising. | Third |
| TapAd_3WAY_SYNCS | This domain is owned by Tapad Inc. a US based company that provides technology to track users across devices to enhance targeting capabilities. | Third |
| CMPRO | This domain is owned by Casale Media. The main business activity is: Advertising | Third |
| TapAd_DID | This domain is owned by Tapad Inc. a US based company that provides technology to track users across devices to enhance targeting capabilities. | Third |
| X-AB | This domain is commonly associated with Scorecard Research, a service that provides marketers with analytics and other tracking information. | Third |
| GLOBALID | This domain appears to be owned by Bidtellect, A USA based adtechnology company specialising in native advertising. | Third |
| suid | This domain is owned by simpli.fi. The main business activity is: Advertising | Third |
| tvssa | This domain is owned by Tremor Video which provides a marketplace for online video based cross-device advertising. | Third |
| custom_data | This domain is owned by IPONWEB and is used to provide a real time bidding platform for online advertising. | Third |
| ibkukiuno | This domain is owned by Media Innovation Group. The main business activity is: Advertising | Third |
| mdata | This domain is owned by Media Innovation Group, as US based digital marketing business. The main business focus is providing targeted online marketing services. | Third |
| rlas3 | This domain is owned by Live Ramp Inc, providers of a platform for targeted marketing and profiling. | Third |
| tuuid_lu | This domain is owned by Improve Digital, a company based in the Netherlands with offices in various EU locations. Improve Digital is itself majority owned by Swiss-based PubliGroupe. The company provides a technology platform to enable website owners to manage online third party advertising through their websites. | Third |
| HAPLB8G | This domains is owned by Sonobi, an automated audience buying and selling platform for online advertising. | Third |
| INGRESSCOOKIE | This domain is owned by Pulsepoint (formerly Contextweb). The main business activity is: Digital marketing, real time ad bidding exchange and audience profiling | Third |
| ljt_reader | This domain is owned by Federated Media Publishing. The main business activity is: Advertising | Third |
| ADK_EX_11 | This doamin is owned by AdKernal, a USa based business providing on online advertising platform. | Third |
| _D9J | This domain is owned by Flashtalking. The main business activity is: Advertising | Third |
| ts | TS | Third |
| tluidp | This domain is owned by TripleLift, a USA based business providing programmatic native advertising services. | Third |
| c | This domain is associated with a company that provides advertising services, including serving and tracking advertisements. | Third |
| tuuid | This domain is owned by Improve Digital, a company based in the Netherlands with offices in various EU locations. Improve Digital is itself majority owned by Swiss-based PubliGroupe. The company provides a technology platform to enable website owners to manage online third party advertising through their websites. | Third |
| tuuid_lu | This domain is associated with a company that provides advertising services, including serving and tracking advertisements. | Third |
| VP | This domain is owned by Pulsepoint (formerly Contextweb). The main business activity is: Digital marketing, real time ad bidding exchange and audience profiling | Third |
| ADKUID | This doamin is owned by AdKernal, a USa based business providing on online advertising platform. | Third |
| tuuid | This domain is associated with a company that provides advertising services, including serving and tracking advertisements. | Third |
| V | This domain is owned by Pulsepoint (formerly Contextweb). The main business activity is: Digital marketing, real time ad bidding exchange and audience profiling | Third |
| receive-cookie-deprecation | This domain is owned by Doubleclick (Google). The main business activity is: Doubleclick is Googles real time bidding advertising exchange | Third |
| g | This domain is associated with the delivery of advertising material or scripts for advertising content. It is a service used by advertising agencies to optimize their online ad campaigns. | Third |
| visitor-id | Media.net is a global online advertising technology network. | Third |
| cid_XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX | Ownership of this domain is unknown as it is masked behind a privacy registration service. It appears to be some form of tracking domain. | Third |
| __uis | This domains is owned by Sonobi, an automated audience buying and selling platform for online advertising. | Third |
| cu | This domain is owned by Adelphic, a USA based company engaged in mobile and cross-device programmatic online advertising. | Third |
| ssh | This domain is associated with a company that provides advertising services, including serving and tracking advertisements. | Third |
| sessionid | This domain is owned by Merkle Inc. which provides integrated marketing programs and advertising technology services. | Third |
| tluid | This domain is owned by TripleLift, a USA based business providing programmatic native advertising services. | Third |
| pardot | This domain is owned by Pardot, a marketing automation platform which provides lead generation services to businesses. | Third |
| NID | This domain is owned by Google Inc. Although Google is primarily known as a search engine, the company provides a diverse range of products and services. Its main source of revenue however is advertising. Google tracks users extensively both through its own products and sites, and the numerous technologies embedded into many millions of websites around the world. It uses the data gathered from most of these services to profile the interests of web users and sell advertising space to organisations based on such interest profiles as well as aligning adverts to the content on the pages where its customer’s adverts appear. | Third |
| receive-cookie-deprecation | This domain is owned by Doubleclick (Google). The main business activity is: Doubleclick is Googles real time bidding advertising exchange | Third |
| __Secure-xxxxxxx | YouTube is a Google owned platform for hosting and sharing videos. YouTube collects user data through videos embedded in websites, which is aggregated with profile data from other Google services in order to display targeted advertising to web visitors across a broad range of their own and other websites. | Third |
| test_cookie | This domain is owned by Doubleclick (Google). The main business activity is: Doubleclick is Googles real time bidding advertising exchange | Third |
| XID | This domain is owned by ScorecardResearch (comScore). The main business activity is: Advertising. The cookies in this domain have lifespans of 2 years. | Third |
| VISITOR_PRIVACY_METADATA | YouTube is a Google owned platform for hosting and sharing videos. YouTube collects user data through videos embedded in websites, which is aggregated with profile data from other Google services in order to display targeted advertising to web visitors across a broad range of their own and other websites. | Third |
| VISITOR_INFO1_LIVE | This cookie is used as a unique identifier to track viewing of videos | Third |
| IDE | This domain is owned by Doubleclick (Google). The main business activity is: Doubleclick is Googles real time bidding advertising exchange | Third |
| fr | Contains browser and user unique ID combination, used for targeted advertising. | Third |
| YSC | YouTube is a Google owned platform for hosting and sharing videos. YouTube collects user data through videos embedded in websites, which is aggregated with profile data from other Google services in order to display targeted advertising to web visitors across a broad range of their own and other websites. | Third |
| UID | This domain is owned by ScorecardResearch (comScore). The main business activity is: Advertising. The cookies in this domain have lifespans of 2 years. | Third |
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