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Grading details
10-31-2011, 10:51 PM
Post: #2
RE: Grading details
Most of the checks are detailed in a glossary at the bottom of the optimization page: http://www.webpagetest.org/result/111030...imization/

The grades are a straight conversion from percentages (90+ = A, 80-89 = B, etc).

For the optimizations that have to do with size (gzip, image compression, minify) the score is calculated by the number of bytes that can be saved relative to the total number of bytes checked (so if the images can all be reduced 50% the score would be 50).

For most of the rest, it is a percentage of the checked objects that passed the check (pass = 100% for an item, warning = 50%). Any improvement will depend on the total number of objects.
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Messages In This Thread
Grading details - speed-optimization - 10-30-2011, 08:26 PM
RE: Grading details - pmeenan - 10-31-2011 10:51 PM
RE: Grading details - speed-optimization - 10-31-2011, 10:55 PM
RE: Grading details - ankit3794 - 04-17-2019, 08:37 PM
RE: Grading details - pmeenan - 04-23-2019, 03:02 AM

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