xhtml5 posts

Piwik and XHTML 5: Document.write and Noscript

in

I’ve been using Piwik recently for my site analytic purposes. I added it to my “professional” site, which is served as XHTML 5 for anything but IE. On that site, no visits were registering, though awstats showed that there were visitors. As it happens, this is because the javascript “document.write” is not allowed in XHTML. I believe older versions of XHTML still allowed it to be run, but it certainly wasn’t being run on my XHTML 5 site. Firefox showed an error in the console. This is mentioned on the WHATWG’s page about the differences between HTML5 and XHTML5.

The Piwik community doesn’t seem to have much mention of this, other than one mailing list thread. I modified the script to something similar to the one in that thread, like this:

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TMCom: Now Real XHTML 5

in

As mentioned in a previous post, my site has gone to the HTML 5 doctype. I had come from XHTML 1.0 and wanted to continue with the XML syntax of HTML 5, but my site wouldn’t validate with the XML declaration. I recently remembered that I had been serving my site with the mime-type “text/html”, which is allowed in XHTML 1.0 transitional. HTML 5 got stricter, and if you want to use the XML syntax, it must be served as “application/xhtml+xml” or “application/xml”.

So I modified the doctype switcher I had made (mentioned in that previous post) to change the mime-type to “application/xhtml+xml” when the configuration doctype was set to “xhtml5”. But IE evidently cannot handle that mime-type, so I set up my switcher to output as “html5” for IE, but “xhtml5” for other browsers. I reset the doctype variable (now an attribute of a page object):

if($this->doctype == 'xhtml5' && strstr($_SERVER['HTTP_USER_AGENT'], 'MSIE'))
    $this->doctype = 'html5';
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