html5rocks/www.html5rocks.com — pull request #187 by paulirish (2012-09-17 16:54:11+00:00)
Title: Blacklist an image to prevent corruption in pagespeed.

fixes #186

we dont want this: http://www.html5rocks.com/en/tutorials/casestudies/technitone/assets/images/nodeDemo.gif

to be this: http://1-ps.googleusercontent.com/x/s.html5rocks-hrd.appspot.com/www.html5rocks.com/en/tutorials/casestudies/technitone/assets/images/wnodeDemo.gif.pagespeed.ic.q919njhKUG.png

ref: https://developers.google.com/appengine/docs/python/config/appconfig#pagespeed