Platforms and frameworks

What sites built on each platform contacted before a consent banner could be answered. Measured across 5,294 sites.

• Alpine.js: what the 84 sites running it contact, and whenAlpine.js was detected on 84 sites in this index. On 81 of them a company was contacted before consent, and the median first contact came at just 498 ms.
• Angular websites measured: 90 sites and 27 consent toolsAngular sites contact 4 companies at the median: nothing in the thirteen-technology table is lower, and Nuxt matches it. Only 27 of the 90 carried a banner.
• Google Tag Manager: the tag loader on 4,007 of 5,294 sitesGoogle Tag Manager is a container that loads a site's other scripts. It was found on 4,007 of the 5,294 sites measured, more than any other technology.
• Hotjar: the Heaviest Median Stack of 13 Technologies HereSites running Hotjar contact a median of 10 companies, the highest of the 13 technologies in this index of 5,294 measured sites. 178 sites carried it.
• jQuery: inside the 2,418 measured sites that still load itjQuery was detected on 2,418 of the 5,294 measured sites — 45.7 percent. Their median page contacts 5 companies and makes 27 requests. The full profile.
• Next.js: third-party load measured across 756 live sitesNext.js was detected on 756 of the 5,294 sites measured: third of the 13 technologies by adoption, eighth by how many companies its sites actually contact.
• Nuxt sites sit at the light end of this index's stack tableNuxt was detected on 115 of 5,294 measured sites. The median Nuxt page contacted 4 companies over 25 requests — nothing among the thirteen frameworks is lighter.
• React sites: 989 ms to first contact, 70 requests medianReact was identified on 54 of the 5,294 sites measured. Their median first third-party contact came at 989 ms, the latest of the 13 technologies indexed here.
• Segment: 104 sites measured, 6 companies before consentSegment was found on 104 of the 5,294 sites measured here. The median site running it contacts 9 companies, 6 of them before the banner could be answered.
• Service Worker pages: 51 requests, but only 5 companies286 sites in this index run a service worker. Their median page makes 51 requests but reaches just 5 companies — a heavy load that stays close to home.
• Vue websites measured: lighter and later than most stacksVue was detected on 258 of the 5,294 sites in this index. Those pages are among the lightest measured, and 225 of them still had contact before consent.
• Webflow sites: the busiest median page of 13 platforms hereWebflow sites carry the highest median request count of the 13 platforms in this index: 73 requests to 9 companies, and 104 of the 106 saw early contact.
• WordPress third-party load across 649 sites in this indexWordPress was detected on 649 of the 5,294 sites measured here. The median WordPress site loads six companies and 27 requests, first contact at 559 ms.

How this was measured, and what it refuses to measure