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Can I use - Browser Support Tables for HTML5, CSS3, and Web APIs

website·Indexed Apr 12, 2026

https://caniuse.com/

Comprehensive support tables for HTML5, CSS3, and JavaScript APIs across major desktop and mobile browsers. Maintained by Alexis Deveria with community updates via GitHub, the site provides compatibility data, usage statistics, and feature suggestion tracking. Includes raw data under CC BY 4.0 license and links to tools like caniuse-cmd and doiuse.

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What's inside Can I use

  1. Cross-document View Transitions API overview

    This API provides a mechanism for easily creating animated transitions between different DOM states while updating DOM contents in a single step. It is specific to cross-document (multi-page) transitions, distinct from the single-page View Transitions API. Specified in W3C Working Draft css-view-transitions-2.

  2. loading attribute for video and audio lazy loading

    The loading attribute on <video> and <audio> elements allows authors to defer media loading until the element approaches the viewport. This is defined in the WHATWG HTML Living Standard. As of current browser versions, this feature is NOT supported in any browser (Chrome, Edge, Safari, Firefox, Opera, IE, Safari iOS, Samsung Internet, Opera Mini, etc.).

  3. HTML5 and Web Platform Feature Index (P–W)

    This section of the Can I Use index covers HTML5, Security, and JS API features from P to W. Notable features include: WebGL and WebGL 2.0 for 3D canvas graphics, Video element support, Picture element and srcset for responsive images, iframe security features (sandbox, srcdoc, seamless), Payment Request API, Presentation API, WebXR, Web Serial API, Subresource Integrity, and Storage Access API. Individual browser support data for each feature is available at caniuse.com/{feature-slug}. A filtered view of all HTML5 features is available at caniuse.com/ciu/filter?list=1&cats=HTML5.

  4. Cross-document View Transitions browser support

    The Cross-document View Transitions API (W3C Working Draft) enables animated transitions between different DOM states. Full support: Opera 112+, Chrome for Android 147, Safari iOS 18.2+. Firefox 144-152: partial support (disabled by default in 143). Not supported: Firefox 2-142, Safari iOS 3.2-18.1, IE, Opera Mini, Samsung Internet, UC Browser, QQ Browser, Baidu Browser, Android Browser. See Navigation API as an alternative.

  5. Browser support status for video/audio lazy loading attribute

    No browser currently supports the loading attribute on video or audio elements. All tested versions return 'Not supported': Firefox 2-152, Opera 9-127, IE 5.5-11, Chrome for Android 147, Safari iOS 3.2-26.5, Samsung Internet 4-29, Opera Mini all versions, QQ Browser 14.9, Baidu Browser 13.52, Firefox Android 149.

  6. Track lazy loading media implementation progress

    Resources for tracking implementation: Firefox support bug (bugzilla.mozilla.org/show_bug.cgi?id=2005072), Mozilla Standards Position (positive), WebKit Standards Position (positive), WHATWG HTML spec PR (github.com/whatwg/html/pull/11980), Chromium Intent to Ship, Blog post by Scott Jehl explaining the feature.

  7. Other web platform features index (W–Z)

    The 'Other' category contains miscellaneous web platform features including WebGL compressed texture S3TC sRGB, WebM video, WebP images, WebVTT captions, Window Controls Overlay, WOFF/2 fonts, XHTML variants, and Zstandard compression. Access individual feature support data at caniuse.com/<feature-slug> or view all 'Other' features filtered at caniuse.com/ciu/filter?list=1&cats=Other.

  8. JavaScript feature browser support index

    Can I Use provides browser compatibility data for JavaScript features including ES6+ syntax (arrow functions, classes, generators, template literals, let/const), array methods (find, findIndex, includes, flat/flatMap), object methods (entries, values), promises and async functions, typed arrays, BigInt, decorators, import maps, internationalization API, and other modern JS APIs. Each feature links to a detailed support table showing browser compatibility across desktop and mobile.