Specifies the base URL to use for all relative URLs in a document.

Estimated Support About

19.51% + 39.02% = 58.53%


  • 1

    Buggy. The element is removed but URLs are turned into links with href attribute.

  • 2

    Buggy. URLs are computed based on the first <base> element found in the <body>.

  • 3

    Buggy. URLs are computed based on the last <base> element found in the <body>.

  • 4

    Buggy. Not supported for local anchor links.


Know something we don't?

Is any of the above data outdated? Or do you want to add a new email client to the list? Heads on to GitHub and edit the data file!

Not comfortable with GitHub? Send us an email.

Test it yourself

This feature was last tested on December 01, 2021.

If you want to test this feature in the same conditions as we did, you can get our test code and run a test by yourself. Make sure to follow our testing recommendations first.