January 2017
Intermediate to advanced
134 pages
2h 28m
English
Content preview from Enduring CSS
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What difference does style bloat make?
Another test (https://benfrain.com/selector-test/2-01.html): I grabbed a big fat style sheet that had absolutely no relevance to the DOM tree. It was about 3000 lines of CSS. All these irrelevant styles were inserted before a final rule that would select our inner a.link node and make it red. I did the same averaging of the results across 5 runs on each browser.
Half those rules were then cut out and the test repeated (https://benfrain.com/selector-test/2-02.html) to give a comparison. Here are the results:
|
Test |
Chrome 34 |
Firefox 29 |
Opera 19 |
IE 19 |
Android 4 |
|
Full bloat |
64.4 |
237.6 |
74.2 |
436.8 |
1714.6 |
|
Half bloat |
51.6 |
142.8 |
65.4 |
358.6 |
1412.4 |
Rules diet
This provides some interesting figures. ...
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