<base>
Widely available since 2018-01-29
The <base> element sets the base URL (the URL that relative URLs are relative to) for all relative URLs in the document.
Learning resources on MDN
Browser support
- Chrome 1 Released on 2008-12-11
- Chrome Android 18 Released on 2012-06-27
- Edge 12 Released on 2015-07-29
- Firefox 1 Released on 2004-11-09
- Firefox for Android 4 Released on 2011-03-29
- Safari 3 Released on 2007-10-26
- Safari on iOS 2 Released on 2008-07-11
Specifications
- HTML Standard (#the-base-element), from HTML Workstream (WHATWG).