holmes.css – CSS Markup Detective

Posted: April 27, 2011 Comments

holmes.css – CSS Markup Detective.

This is neat. Holmes is The CSS Markup Detective:

Holmes is stand-alone diagnostic CSS stylesheet that can highlight potentially invalid, inaccessible or erroneous HTML(5) markup by adding one class.

I like this because it’s in a way passive, but really useful. When I was really getting into Web Standards, I had a number of Firefox Add-ons that would light up, blink, and cause a bit of chaos when things were invalid or errors were present. I’ve outgrown that to an extent, but I like the idea of this. I’ll be keeping an eye on it, keeping yourself in check is still important.

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