Using sections in HTML5 is a powerful way to improve the structure of a site's code base without affecting accessibility, writes Heydon Pickering. The arguments against sectioning simply don't add up, as many downsides of HTML5 sections tend to be side effects of the relative newness of HTML5, Pickering adds. "Sure, if you're lazy, don't bother with sectioning, but don't pretend you're doing it on principle," he writes.

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