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Unusable Image Compression Results
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Unusable Image Compression Results
10-27-2014, 02:31 AM
Post: #1
Unusable Image Compression Results
Why does WebPageTest show image compression results with suggestions that will have minimal impact on page load speed? Here are a few examples. Notice that some of the suggestions result in improvements of 0 k.

Compress Images: 81/100
44.6 KB total in images, target size = 36.5 KB - potential savings = 8.0 KB

WARNING - (9.8 KB, compressed = 5.8 KB - savings of 4.0 KB) - http://www.example.com/wp-content/upload...50x150.jpg
WARNING - (5.8 KB, compressed = 4.5 KB - savings of 1.3 KB) - http://www.example.com/wp-content/upload...50x150.jpg
WARNING - (4.6 KB, compressed = 3.4 KB - savings of 1.2 KB) - http://www.example.com/wp-content/upload...50x150.jpg
WARNING - (6.3 KB, compressed = 5.6 KB - savings of 0.7 KB) - http://www.example.com/wp-content/upload...50x150.jpg
WARNING - (3.5 KB, compressed = 3.0 KB - savings of 0.5 KB) - http://www.example.com/wp-content/upload...-66x66.jpg
WARNING - (3.2 KB, compressed = 2.9 KB - savings of 0.3 KB) - http://www.example.com/wp-content/upload...-66x66.jpg
WARNING - (6.0 KB, compressed = 6.0 KB - savings of 0.0 KB) - http://www.example.com/wp-content/upload...50x150.jpg
WARNING - (5.3 KB, compressed = 5.3 KB - savings of 0.0 KB) - http://www.example.com/wp-content/upload...50x150.jpg
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Unusable Image Compression Results - rocketdocket - 10-27-2014 02:31 AM

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