HTML Language Tag Checker
Check the lang value on the HTML document element.
How to use HTML Language Tag Checker
Check the lang value on the HTML document element.
Paste actual server-rendered HTML source. This tool examines supplied markup only; it cannot see JavaScript-rendered content without a browser crawl.
- Paste the requested HTML, text, URL, XML, robots.txt or JSON.
- Fill any options displayed next to the input.
- Choose Analyze or Generate and check the result.
- Copy or download the result to use on your site.
Frequently asked questions
Is HTML Language Tag Checker free?
Yes. Verified Tools4U accounts can use this deterministic tool for free, subject to reasonable limits. Premium members do not see ads.
Will using this tool guarantee Google rankings?
No. Search engines use many signals and select indexed/canonical pages themselves. This tool cannot promise rankings, indexing or rich results.
Does the tool crawl my site?
No. These SEO tools analyze content you submit and do not fetch live URLs or access private networks.