Websites using markup and embeds tools

60 technologies in this category are detected in the PageSourceSearch index. Each page lists the highest-ranked sites whose HTML or JavaScript contains the exact code that reveals the technology, with the discovery keyword you can search, combine and filter yourself. The most used come first.

• rel="me" identity links about 6,450,099 sites rel=me links tie a website to its owner's other profiles, and Mastodon and IndieAuth use them to verify identity. rel="me"
• Open Graph tags about 5,508,265 sites Open Graph meta tags describe a page for link previews on social networks. property="og:title"
• Twitter Cards about 4,614,489 sites Twitter Cards meta tags control link previews on X (Twitter). name="twitter:card"
• JSON-LD structured data about 4,274,663 sites JSON-LD is the schema.org structured data format search engines read. application/ld+json
• Canonical link about 3,469,671 sites The canonical link tells search engines the preferred URL of a page. rel="canonical"
• RSS feed autodiscovery about 3,301,366 sites RSS autodiscovery links a page to its RSS feed for readers and browsers. application/rss+xml
• Speculation Rules about 2,788,441 sites The Speculation Rules API lets a page prefetch or prerender likely next pages. type="speculationrules"
• oEmbed discovery about 2,776,896 sites oEmbed discovery lets other sites fetch an embeddable representation of a page. application/json+oembed
• Preconnect resource hints about 2,635,929 sites Preconnect hints open connections to third-party origins early. rel="preconnect"
• Preload hints about 2,541,496 sites Preload hints fetch critical resources such as fonts and hero images early. rel="preload"
• Apple touch icon about 2,360,923 sites The Apple touch icon is the icon iOS uses when a page is added to the home screen. rel="apple-touch-icon"
• RDFa about 2,306,426 sites RDFa embeds linked data in HTML attributes. typeof="
• Microdata about 2,054,882 sites Microdata annotates HTML elements with schema.org types and properties. itemtype=
• Google Search Console verification about 1,523,412 sites Google Search Console verifies site ownership with a meta tag. name="google-site-verification"
• theme-color meta tag about 1,488,535 sites The theme-color meta tag sets the browser UI colour for a site. name="theme-color"
• hreflang (multilingual sites) about 1,241,610 sites hreflang link tags tell search engines which language and region versions of a page exist. hreflang="
• Web app manifest (PWA) about 1,181,967 sites A web app manifest lets a site be installed as a progressive web app. rel="manifest"
• Module preload hints about 949,319 sites Module preload hints fetch JavaScript modules and their dependencies early; Vite builds emit them. rel="modulepreload"
• DNS prefetch hints about 730,989 sites DNS prefetch hints resolve third-party host names early. rel="dns-prefetch"
• Service worker about 557,649 sites A service worker lets a site work offline, cache assets and receive push messages. serviceWorker.register(
• Facebook domain verification about 274,921 sites Meta Business Manager verifies domain ownership with a meta tag. name="facebook-domain-verification"
• Atom feed autodiscovery about 255,111 sites Atom autodiscovery links a page to its Atom feed. application/atom+xml
• Creative Commons license about 210,761 sites Creative Commons licenses let authors state how their content may be reused. creativecommons.org/licenses/
• GitHub Gist embeds about 157,400 sites GitHub Gist embeds show a code snippet from a gist. gist\.github\.com/[\w-]+/[0-9a-f]+\.js
• Yandex Webmaster verification about 142,414 sites Yandex Webmaster verifies site ownership with a meta tag. name="yandex-verification"
• Pinterest domain verification about 138,633 sites Pinterest verifies a claimed website with a meta tag. name="p:domain_verify"
• Naver Search Advisor verification about 137,028 sites Naver Search Advisor is the webmaster tool of Korea's largest search engine. name="naver-site-verification"
• Bing Webmaster Tools verification about 130,005 sites Bing Webmaster Tools verifies site ownership with a meta tag. name="msvalidate.01"
• AMP alternate page link about 92,271 sites Sites with AMP versions link each canonical page to its AMP counterpart. rel="amphtml"
• Google Drive file embeds about 83,138 sites Google Drive files such as videos and PDFs can be embedded through their preview page. drive\.google\.com/file/d/[\w-]+/preview
• AMP about 33,843 sites AMP (Accelerated Mobile Pages) is a restricted HTML framework for fast mobile pages. cdn.ampproject.org/v0.js
• Apple Smart App Banner about 31,547 sites Smart App Banners promote a site's iOS app in Safari. name="apple-itunes-app"
• Dublin Core metadata about 28,805 sites Dublin Core is a metadata vocabulary used by libraries, archives and government sites. name="DC.
• Google Calendar embeds about 26,343 sites Google Calendar embeds show a public calendar in a page. calendar.google.com/calendar/embed
• Google Docs Viewer about 13,837 sites The Google Docs Viewer displays PDFs and office files in an iframe. docs.google.com/viewer
• Padlet embeds about 9,487 sites Padlet embeds show a collaborative board. padlet.com/embed/
• Matterport 3D tours about 9,158 sites Matterport creates 3D virtual tours of real spaces. my.matterport.com/show/
• Issuu embeds about 8,067 sites Issuu embeds show a digital publication as a flipbook. issuu.com/embed
• Airtable embeds about 8,018 sites Airtable embeds show a base view or form in a page. airtable.com/embed/
• Google Sheets embeds about 7,638 sites Published Google Sheets can be embedded in a page as a table or chart. docs.google.com/spreadsheets/d/e/
• Baidu webmaster verification about 6,960 sites Baidu's webmaster platform verifies site ownership before sharing search data for the site. name="baidu-site-verification"
• Flourish visualisations about 5,904 sites Flourish creates interactive charts and stories. public.flourish.studio/
• Infogram about 5,701 sites Infogram creates infographics, charts and reports. e.infogram.com/
• Google Slides embeds about 4,577 sites Published Google Slides presentations can be embedded in a page. docs.google.com/presentation/d/e/
• Microsoft Office Online viewer embeds about 4,168 sites The Office Online viewer shows Word, Excel and PowerPoint files in the browser without downloading them. view.officeapps.live.com/op/
• Tableau Public embeds about 3,989 sites Tableau Public hosts interactive data visualisations that are embedded in pages. public.tableau.com/
• SlideShare embeds about 3,248 sites SlideShare embeds show a slide deck from SlideShare. slideshare.net/slideshow/embed_code/
• JSON Feed autodiscovery about 2,659 sites JSON Feed is a syndication format like RSS and Atom, written in JSON. application/feed+json
• Figma embeds about 2,512 sites Figma embeds show a live design file or prototype in a page. figma.com/embed
• Speaker Deck embeds about 2,298 sites Speaker Deck embeds show a slide deck from Speaker Deck. speakerdeck.com/player/
• Sketchfab embeds about 2,129 sites Sketchfab embeds show an interactive 3D model. sketchfab\.com/models/[0-9a-f]{32}/embed
• Looker Studio embeds about 2,086 sites Looker Studio (formerly Data Studio) reports can be embedded in a page. google.com/embed/reporting/
• Power BI embeds about 1,908 sites Power BI publish-to-web embeds show an interactive report. app.powerbi.com/view
• Datawrapper charts about 1,738 sites Datawrapper creates charts, maps and tables for publishers. datawrapper.dwcdn.net/
• Genially embeds about 1,521 sites Genially creates interactive presentations and infographics that are embedded in pages. view.genial.ly/
• Canva embeds about 1,487 sites Canva designs can be embedded as an interactive view. canva\.com/design/[\w/-]+/view\?embed
• CodeSandbox embeds about 1,439 sites CodeSandbox embeds show a live development sandbox. codesandbox.io/embed/
• Scribd embeds about 883 sites Scribd embeds show a document from Scribd. scribd.com/embeds/
• CodePen embeds about 500 sites CodePen embeds show a live front-end code demo. codepen.io/assets/embed/ei.js
• Miro embeds about 383 sites Miro embeds show a live whiteboard in a page. miro.com/app/live-embed/

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