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Step 6 of 8.1.2.1 Start tags of the HTML5 spec says that void elements may have a single / character. I think this is so it's easier to migrate sites that are XHTML over to HTML5.
What's the best practice?
E.g., if I'm making a website with HTML5 (<!DOCTYPE html>), which should I do?
without the slash
<meta http-equiv="content-type" content="text/html; charset=utf-8"> with the slash
<meta http-equiv="content-type" content="text/html; charset=utf-8" /> If both render correctly on all browsers, then I'm assuming (1) without the slash is the way to go since it's more HTML5.
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These elements are called empty or void and only have a start tag since they can't have any content. They must not have an end tag in HTML. The void elements in HTML 4.01/XHTML 1.0 Strict are area , base , br , col , hr , img , input , link , meta , and param .
↑ The full list of valid self-closing tags in HTML5 is: area, base, br, col, embed, hr, img, input, keygen, link, meta, param, source, track, and wbr.
A void element is an element whose content model never allows it to have contents under any circumstances. Void elements can have attributes. The following is a complete list of the void elements in HTML : area , base , br , col , command , embed , hr , img , input , keygen , link , meta , param , source , track , wbr.
Void elements only have a start tag; end tags must not be specified for void elements.
There is no consensus on best practice, and according to the author of the spec, Ian Hickson, it does not matter.
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