3 ms·

Isn't the developer always the first user? With strict parsing, testing a site before launch would show you the problem right there and allow you to fix it to l

• michaelmrose 10mo ago
  What about a 5 year old client hitting a new server or the reverse? Is the only solution just don't do that?
  • thisislife2 10mo ago
    That is what the HTML 4 !doctype Tag - https://www.quackit.com/html/html_4/tags/doctype_html_public.cfm https://www.quackit.com/html/html_4/tags/doctype_html_public... - was meant for. Ideally, an old client that cannot parse a newer HTML spec should inform the user to update the client. Developers could then either support old versions of their site (more easily, in such a case) or can simply decide not to deal with outdated browsers. (In fact, isn't that what most BiGTech sites actually do now, through convoluted browser feature detections - "Your browser is no longer supported ...").