See what powers any website

Look up any domain's full technology stack, plus its traffic, authority, and Core Web Vitals.
Browse every site using a technology and track what changed over time. No account needed.

No paywall No account History back to Apr 2018

nike.com What powers nike.com? 201 technologies detected across 48 categories Adobe Experience Manager CMS Angular JavaScript frameworks Amazon Webstore Ecommerce Adobe DTM Tag managers Amazon Web Services PaaS View full stack ikea.com What powers ikea.com? 184 technologies detected across 50 categories Amazon Web Services PaaS Apache HTTP Server Web servers Cart Functionality Ecommerce Lithium CMS Adobe Analytics Analytics View full stack shopify.com What powers shopify.com? 179 technologies detected across 49 categories Lithium CMS American Express Payment processors Cart Functionality Ecommerce Amazon Web Services PaaS AngularJS JavaScript frameworks View full stack

The lookups, lists, and history
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Everything in one place, free and uncapped. Look up a site, browse full technology lists, and follow every change over time.

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Enter any domain and see its full detected stack: CMS, frameworks, analytics, hosting, and more, with versions.

Technology lists

See every website using a technology, ordered by authority, with market share and trends. Full lists, uncapped.

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History

A timeline of what each site added and dropped, going back to 2018. Watch technologies rise and fall.

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The numbers behind every website

Each lookup pairs the technology stack with how the site ranks, performs, and earns its search traffic.

Open Page Rank Authority scores from the open web link graph, with each domain's exact rank.

Search traffic Estimated monthly visits from US Google search, and how many keywords rank in the top 30.

Top keywords The searches that bring a site its visitors, and the position each one holds.

Top backlinks The strongest links pointing at a site, one per source domain, with anchor text.

Core Web Vitals Real user LCP, INP, and CLS for single sites and across whole technologies.

Audience The countries a site's Chrome traffic comes from, and its phone, desktop, and tablet split.

Page facts Language, CDN, page weight, and structured data from the HTTP Archive crawl.

Subdomains Every host we track under a domain, and how many technologies each one runs.

See it all on one page: nike.com

43,967,451

Domains tracked

3,942

Technologies detected

4,156

In our catalog

2018

History since

Browse the most-⁠detected technologies

Counts come from the newest monthly dataset. Each card links to the full list of sites using that technology.

jQuery JavaScript libraries 30,097,159 sites Open Graph Miscellaneous 24,928,567 sites PHP Programming languages 23,427,173 sites Google Font API Font scripts 21,255,883 sites Google Analytics Analytics 20,859,162 sites Cloudflare CDN 17,993,503 sites HTTP/3 Miscellaneous 17,386,812 sites MySQL Databases 16,966,738 sites core-js JavaScript libraries 16,856,120 sites WordPress CMS 16,273,390 sites jQuery Migrate JavaScript libraries 14,539,174 sites RSS Miscellaneous 13,641,604 sites Priority Hints Performance 13,610,390 sites Bootstrap UI frameworks 12,895,077 sites HSTS Security 12,585,661 sites Nginx Web servers 11,561,682 sites

Compare technologies head to head

Usage by popularity tier, and the sites that switched from one technology to the other.

core-js vs jQuery Font Awesome vs Google Font API Apache HTTP Server vs Nginx Facebook Pixel vs Google Analytics HSTS vs reCAPTCHA cdnjs vs Cloudflare GSAP vs React Google Workspace vs Microsoft 365