X Pixel Cookies: List With Purpose and Retention

Cookies the X Pixel Sets on Your Site

The X Pixel triggers advertising cookies on X domains, led by personalization_id on .twitter.com and muc_ads on t.co, and writes 3 first-party cookies on your domain, _twpid, _twclid, and _twsid.

Scripts, Pixels, and Endpoints the X Pixel Loads

The X Pixel loads 2 known scripts, pixels, and data endpoints. Each row gives the host to look for in the Network tab of Chrome DevTools or in a cookie scanner report.

Does the X Pixel Need Consent?

Yes, the X Pixel cookies need consent in the EU and the UK, and need no prior opt-in in California. The table gives the rule for each law, taken from the page of the personalization_id cookie.

The consent table describes what each law requires and is not legal advice. Whether a law applies to your site depends on where your visitors are, where your business is based, and how you set up the X Pixel, such as the first-party cookie setting of the X Pixel.

Read the reason for each answer in the consent rules for the personalization_id cookie.

How to Add the X Pixel to a Consent Banner

Add the X Pixel to a consent banner by holding back the X Pixel base code until the visitor accepts advertising cookies. Both TermsFeed products block the X Pixel in the Advertising category.

<script type="text/plain" data-cookie-consent="targeting">
!function(e,t,n,s,u,a){e.twq||(s=e.twq=function(){s.exe?s.exe.apply(s,arguments):s.queue.push(arguments);
},s.version='1.1',s.queue=[],u=t.createElement(n),u.async=!0,u.src='https://static.ads-twitter.com/uwt.js',
a=t.getElementsByTagName(n)[0],a.parentNode.insertBefore(u,a))}(window,document,'script');
twq('config','YOUR_PIXEL_ID');
</script>

Follow every step, the vendor settings, and the check in Chrome DevTools in how to block the personalization_id cookie.

Who Runs the X Pixel

X Corp. runs X from the United States. X Internet Unlimited Company in Dublin provides X to users in the European Union, the European Free Trade Association (EFTA), and the UK. X and the advertiser act as independent controllers under the X controller-to-controller data protection addendum.

Read how X Corp. handles the data in the X Pixel privacy policy, and sign the X Controller-to-Controller Data Protection Addendum before you collect data from visitors in the EU or the UK. Both documents appear in the sources at the end of this page.

X Pixel Cookie FAQs

Does the X Pixel need consent?

Yes, the X Pixel cookies need consent in the EU and the UK, and need no prior opt-in in California. Firstly, the ePrivacy Directive requires consent before a site sets the advertising cookies of the X Pixel. Secondly, the UK PECR requires consent before a site sets the advertising cookies of the X Pixel. Thirdly, the CCPA sets no general opt-in requirement for the advertising cookies of the X Pixel, and the table gives the opt-out right of visitors. The consent section of this page gives the table for each law.

How long do the X Pixel cookies last?

The cookies of the X Pixel with a documented lifetime last from 13 months (390 days) to 2 years (730 days). The _twclid cookie lasts the shortest time, and the muc_ads cookie lasts longest. 5 cookies have no documented lifetime. Check their expiry in Chrome DevTools on your own site. The retention column of the cookie list gives the lifetime of each cookie.

How do I block the X Pixel cookies?

Block the the X Pixel cookies by holding back the X Pixel base code until the visitor accepts advertising cookies. Tag the X Pixel base code with data-cookie-consent="targeting" in TermsFeed Free Cookie Consent, or add the X Pixel as a vendor in TermsFeed Privacy Consent. The page of the personalization_id cookie gives the full steps and the settings of the X Pixel.