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Paul Lindner
 

Just for fun I thought I'd see what impact css-dashes have on the Google+ base-page.

So we start with a 312k base page:

*% wc Google+.html*
1341 17301 312802 Google+.html

If we grab id/class attributes (just the stuff in quotes) we see:

*% cat Google+.html | perl -nse 'while (m,(id|class)="([^"]+)",sig) { print ""}'| wc*
0 1773 50420

Whoa.. 1/6th of the bytes are class/id names! (see http://www.corp.google.com/~plindner/no_crawl/css.txt)

If you just remove the dashes from the class names you save 13k. In practice you can gain more since the css obfuscator will choose a smaller identifier..











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