caniuse.com

Website review caniuse.com

Can I use... Support tables for HTML5, CSS3, etc

 Generated on March 03 2026 22:16 PM

Old data? UPDATE !

The score is 69/100

SEO Content

Title

Can I use... Support tables for HTML5, CSS3, etc

Length : 48

Perfect, your title contains between 10 and 70 characters.

Description

"Can I use" provides up-to-date browser support tables for support of front-end web technologies on desktop and mobile web browsers.

Length : 132

Great, your meta description contains between 70 and 160 characters.

Keywords

web browser compatibility support html css svg html5 css3 opera chrome firefox safari internet explorer

Good, your page contains meta keywords.

Og Meta Properties

This page does not take advantage of Og Properties. This tags allows social crawler's better structurize your page. Use this free og properties generator to create them.

Headings

H1 H2 H3 H4 H5 H6
0 1 4 7 0 0
  • [H2] Legend
  • [H3] Home
  • [H3] Can I use...
  • [H3] Support via Patreon
  • [H3] Site links
  • [H4] Latest features
  • [H4] Most searched features
  • [H4] Test a feature
  • [H4] Did you know?
  • [H4] Third party tools
  • [H4] Browser scores
  • [H4] Other support sites

Images

We found 2 images on this web page.

Good, most or all of your images have alt attributes.

Text/HTML Ratio

Ratio : 27%

Ideal! This page's ratio of text to HTML code is between 25 and 70 percent.

Flash

Perfect, no Flash content has been detected on this page.

Iframe

Great, there are no Iframes detected on this page.

URL Rewrite

Good. Your links looks friendly!

Underscores in the URLs

Perfect! No underscores detected in your URLs.

In-page links

We found a total of 39 links including 2 link(s) to files

Anchor Type Juice
Home Internal Passing Juice
News Internal Passing Juice
About Internal Passing Juice
Index of features Internal Passing Juice
CSS Grid Lanes Internal Passing Juice
CSS if() function Internal Passing Juice
View Transitions (cross-document) Internal Passing Juice
WebAssembly Import/Export of Mutable Globals Internal Passing Juice
WebAssembly BigInt to i64 conversion in JS API Internal Passing Juice
WebP image format Internal Passing Juice
Flexbox Internal Passing Juice
CSS Grid Internal Passing Juice
gap property for Flexbox Internal Passing Juice
dvh (Small, Large, and Dynamic viewport units) Internal Passing Juice
BrowserStack External Passing Juice
IE 11 External Passing Juice
Safari 17 External Passing Juice
Safari on iPhone 14 External Passing Juice
Chrome on Galaxy S23 External Passing Juice
vote to have it included External Passing Juice
submit it yourself External Passing Juice
The CanIUse Embed — Add support tables to your site External Passing Juice
Caniuse Component — Add support tables to your presentations External Passing Juice
Caniuse command line tool External Passing Juice
Doiuse...? — Lint your CSS to check what features work External Passing Juice
I want to use — Select multiple features and see what % of users can use them External Passing Juice
See full list External Passing Juice
Can I email... — Support tables for HTML & CSS in emails External Passing Juice
Accessibility Support — Support information for web accessibility features in assistive technologies External Passing Juice
Can I Webview — Documentation for WebView capabilities, limitations & features External Passing Juice
@Fyrd External Passing Juice
@Lensco External Passing Juice
community External Passing Juice
StatCounter GlobalStats External Passing Juice
ipinfo.io Internal Passing Juice
Log in External Passing Juice
Browser usage table Internal Passing Juice
Feature suggestion list Internal Passing Juice
Caniuse data on GitHub External Passing Juice

SEO Keywords

Keywords Cloud

settings css tables support usage features caniuse see feature test

Keywords Consistency

Keyword Content Title Keywords Description Headings
support 9
features 7
css 6
usage 5
feature 5

Usability

Url

Domain : caniuse.com

Length : 11

Favicon

Great, your website has a favicon.

Printability

We could not find a Print-Friendly CSS.

Language

Good. Your declared language is en.

Dublin Core

This page does not take advantage of Dublin Core.

Document

Doctype

HTML 5

Encoding

Perfect. Your declared charset is UTF-8.

W3C Validity

Errors : 0

Warnings : 0

Email Privacy

Great no email address has been found in plain text!

Deprecated HTML

Great! We haven't found deprecated HTML tags in your HTML.

Speed Tips

Excellent, your website doesn't use nested tables.
Too bad, your website is using inline styles.
Too bad, your website has too many CSS files (more than 4).
Perfect, your website has few JavaScript files.
Perfect, your website takes advantage of gzip.

Mobile

Mobile Optimization

Apple Icon
Meta Viewport Tag
Flash content

Optimization

XML Sitemap

Great, your website has an XML sitemap.

https://caniuse.com/?search=sitemap.xml

Robots.txt

https://caniuse.com/robots.txt

Great, your website has a robots.txt file.

Analytics

Great, your website has an analytics tool.

   Google Analytics

PageSpeed Insights

Device
Categories

Free SEO Testing Tool

Free SEO Testing Tool is a free SEO tool which provides you content analysis of the website.