(cache)HTML5test - How well does your browser support HTML5?

Your browser scores 523 out of 555 points

You are using Chrome 86 on LinuxCorrect?✔✘Thanks!

Semantics

Parsing rules 5
`<!DOCTYPE html>` triggers standards mode	Yes ✔
HTML5 tokenizer	Yes ✔
HTML5 tree building	Yes ✔
HTML5 defines rules for embedding SVG and MathML inside a regular HTML document. The following tests only check if the browser is following the HTML5 parsing rules for inline SVG and MathML, not if the browser can actually understand and render it.
Parsing inline SVG	Yes ✔
Parsing inline MathML	Yes ✔

Elements 27/30
Embedding custom non-visible data	Yes ✔
New or modified elements
Section elements	Yes ✔
Grouping content elements	Yes ✔
Text-level semantic elements	Yes ✔
Interactive elements	Partial ○
Global attributes or methods
`hidden` attribute	Yes ✔
Dynamic markup insertion	Yes ✔

Forms 64/65
Field types
`input type=text`	Yes ✔
`input type=search`	Yes ✔
`input type=tel`	Yes ✔
`input type=url`	Yes ✔
`input type=email`	Yes ✔
`input type=date`	Yes ✔
`input type=month`	Yes ✔
`input type=week`	Yes ✔
`input type=time`	Yes ✔
`input type=datetime-local`	Yes ✔
`input type=number`	Yes ✔
`input type=range`	Yes ✔
`input type=color`	Yes ✔
`input type=checkbox`	Yes ✔
`input type=image`	Yes ✔
`input type=file`	Partial ○
`textarea`	Yes ✔
`select`	Yes ✔
`fieldset`	Yes ✔
`datalist`	Yes ✔
`output`	Yes ✔
`progress`	Yes ✔
`meter`	Yes ✔
Fields
Field validation	Yes ✔
Association of controls and forms	Yes ✔
Other attributes	Yes ✔
CSS selectors	Yes ✔
Events	Yes ✔
Forms
Form validation	Yes ✔

Web Components 6/10
Custom elements	No ✘
Shadow DOM	Yes ✔
HTML templates	Yes ✔
HTML imports	No ✘

Device Access

Location and Orientation 20
Geolocation	Yes ✔
Device Orientation	Yes ✔
Device Motion	Yes ✔

Output 10
Full screen support	Yes ✔
Web Notifications	Yes ✔

Input 10
Gamepad control	Yes ✔
Pointer Events	Yes ✔
Pointer Lock support	Yes ✔

Connectivity

Communication 40
Server-Sent Events	Yes ✔
Beacon	Yes ✔
Fetch	Yes ✔
XMLHttpRequest Level 2
Upload files	Yes ✔
Response type support	Yes ✔
WebSocket
Basic socket communication	Yes ✔
`ArrayBuffer` and `Blob` support	Yes ✔

Streams 4/6
Readable streams	Yes ✔
Writable streams	No ✘

Peer To Peer 45
Connectivity
WebRTC 1.0	Yes ✔
ObjectRTC API for WebRTC	Yes ✔
Data channel	Yes ✔
Input
Access the webcam	Yes ✔
Screen Capture	Yes ✔
Enumerate devices	Yes ✔
Recording
Media Stream recorder	Yes ✔

Performance & Integration

User interaction 19/20
Drag and drop
Attributes	Partial ○
Events	Yes ✔
HTML editing
Editing elements	Yes ✔
Editing documents	Yes ✔
CSS selectors	Yes ✔
APIs	Yes ✔
Clipboard
Clipboard API and events	Yes ✔
Spellcheck
`spellcheck` attribute	Yes ✔

Performance 12
Workers
Web Workers	Yes ✔
Shared Workers	Yes ✔
Other
`window.requestIdleCallback`	Yes ✔

Security 26/32
Web Cryptography API	Yes ✔
Content Security Policy 1	No ✘
Content Security Policy 2	Yes ✔
Cross-Origin Resource Sharing	Yes ✔
Subresource Integrity	Yes ✔
Cross-document messaging	Yes ✔
Authentication
Web Authentication / FIDO 2	No ✘
Credential Management	Yes ✔
Iframes
Sandboxed `iframe`	Yes ✔
`iframe` with inline contents	Yes ✔

Payments 5
Web Payments	Yes ✔

Multimedia

Video 29/33
`video` element	Yes ✔
Subtitles	Yes ✔
Audio track selection	No ✘
Video track selection	No ✘
Poster images	Yes ✔
Codec detection	Yes ✔
Video codecs
MPEG-4 ASP support	No ✘
H.264 support	No ✘
H.265 support	No ✘
Ogg Theora support	Yes ✔
WebM with VP8 support	Yes ✔
WebM with VP9 support	Yes ✔

Audio 27/30
`audio` element	Yes ✔
Loop audio	Yes ✔
Preload in the background	Yes ✔
Advanced
Web Audio API	Yes ✔
Speech Recognition	Prefixed ✔
Speech Synthesis	No ✘
Audio codecs
PCM audio support	Yes ✔
MP3 support	Yes ✔
AAC support	No ✘
Dolby Digital support	No ✘
Dolby Digital Plus support	No ✘
Ogg Vorbis support	Yes ✔
Ogg Opus support	Yes ✔
WebM with Vorbis support	Yes ✔
WebM with Opus support	Yes ✔

Streaming 5
Media Source extensions	Yes ✔
DRM support	Yes ✔
Adaptive bit rate
Dynamic Adaptive Streaming / MPEG-DASH	No ✘
HTTP Live Streaming / HLS	No ✘
Codecs
Video codecs	Partial ○
Audio codecs	Partial ○

3D, Graphics & Effects

Responsive images 15
`picture` element	Yes ✔
`srcset` attribute	Yes ✔
`sizes` attribute	Yes ✔

2D Graphics 24/25
Canvas 2D graphics	Yes ✔
Drawing primitives
Text support	Yes ✔
Path support	Yes ✔
Ellipse support	Yes ✔
Dashed line support	Yes ✔
System focus ring support	Yes ✔
Features
Hit testing support	No ✘
Blending modes	Yes ✔
Image export formats
PNG support	Yes ✔
JPEG support	Yes ✔
JPEG-XR support	No ✘
WebP support	Yes ✔

3D and VR 20/23
3D Graphics
WebGL	Yes ✔
WebGL 2	Yes ✔
VR Headset
WebVR	No ✘

Animation 8
Web Animations API	Yes ✔
`window.requestAnimationFrame`	Yes ✔

Offline & Storage

Web applications 13/17
Offline resources
Application Cache	No ✘
Service Workers	Yes ✔
Push Messages	Yes ✔
Content and Scheme handlers
Custom scheme handlers	Yes ✔
Custom content handlers	No ✘

Storage 35
Key-value storage
Session Storage	Yes ✔
Local Storage	Yes ✔
Database storage
IndexedDB	Yes ✔
Objectstore `Blob` support	Yes ✔
Objectstore `ArrayBuffer` support	Yes ✔
The Web SQL Database specification is no longer being updated and has been replaced by IndexedDB. Because at least 3 vendors have shipped implementations of this specification we still include it in this test.
Web SQL Database	Yes ✔

Files 15
Reading files
Basic support for reading files	Yes ✔
Create a `Blob` from a file	Yes ✔
Create a Data URL from a `Blob`	Yes ✔
Create an `ArrayBuffer` from a `Blob`	Yes ✔
Create a Blob URL from a `Blob`	Yes ✔
Accessing the file system
FileSystem API	No ✘
The Directories and System API proposal has failed to gain traction among browser vendors and is only supported in some Webkit based browsers. No additional points are awarded for supporting this API.
File API: Directories and System	Prefixed ✔

Other

Scripting 30
Script execution
Asynchronous script execution	Yes ✔
Defered script execution	Yes ✔
Script execution events	No ✘
Runtime script error reporting	Yes ✔
ECMAScript 5
JSON encoding and decoding	Yes ✔
ECMAScript 6
Modules	Yes ✔
Classes	Yes ✔
Arrow functions	Yes ✔
Promises	Yes ✔
Template strings	Yes ✔
Typed arrays	Yes ✔
Internationalization	Yes ✔
ECMAScript 7
Async and Await	Yes ✔
Other API's
Base64 encoding and decoding	Yes ✔
Mutation Observer	Yes ✔
URL API	Yes ✔
Encoding API	Yes ✔

Other 9
Session history	Yes ✔
Page Visibility	Yes ✔
Text selection	Yes ✔
Scroll into view	Yes ✔

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About HTML5test

The HTML5 test score is an indication of how well your browser supports the HTML5 standard and related specifications. Find out which parts of HTML5 are supported by your browser today and compare the results with other browsers.

The HTML5 test does not try to test all of the new features offered by HTML5, nor does it try to test the functionality of each feature it does detect. Despite these shortcomings we hope that by quantifying the level of support users and web developers will get an idea of how hard the browser manufacturers work on improving their browsers and the web as a development platform.

The score is calculated by testing for the many new features of HTML5. Each feature is worth one or more points. Apart from the main HTML5 specification and other specifications created the W3C HTML Working Group or WHATWG, this test also awards points for supporting related drafts and specifications.

Please be aware that although the HTML5 specification is now an official recommendation, other specifications that are being tested are still in development and could change before receiving an official status. In the future new tests will be added for new specifications and existing tests will be updated when the specifications change.

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