A WordPress installation using http://www.example.com/blog shows a wrong font (and due to that a wrong layout) whereas using http://example.com/blog shows the correct font and layout.

This happens on Firefox and IE9. Chrome and IE8 do not behave like this.

I'm at a total loss about the possible causes for this, could you enlighten me?


1 Answer 1


Updated based on the comment provided by @Lèsemajesté

This happens because FF and IE9 have chosen to implement an anti-cross-domain DRM mechanism for web fonts.

I fixed it by using the following code in my htaccess file to pin the site to a single domain no matter which version of a url it's accessed from (this also seemed useful from an SEO point of view).

RewriteEngine On
RewriteCond %{HTTP_HOST} !^www\.domain\.org.uk$ [NC]
RewriteRule ^(.*)$ http://www.domain.org.uk/$1 [R=301,L]

You can also workaround the problem by embedding the font in your style sheet using base64 encoding.


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