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Only getting 'B' for images
09-27-2012, 10:55 PM
Post: #1
Only getting 'B' for images
Almost on straight A's, and with a change in options on my Wordpress theme my CDN is now detected, but I just can't get my images small enough for WPT to give them an 'A'.

I've run them through jpegoptim which has reduced their size, but I'm not sure I can do any more.

Anyone want to take a look?

http://www.webpagetest.org/result/120927_E9_E1C/
http://www.twozerothree.eu/
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09-28-2012, 09:57 PM
Post: #2
RE: Only getting 'B' for images
jpegoptim (and most of the tools) only do lossless optimizations (stripping out exif data, etc). WPT actually does a lossy re-compression of the image using libjpeg at a (conservative) quality level of 85. You basically need to re-compress the images at a lower quality level (preferably from the original source image).
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09-28-2012, 10:06 PM
Post: #3
RE: Only getting 'B' for images
Thanks for the reply, I'll look at re-doing the images later
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09-29-2012, 02:11 AM
Post: #4
RE: Only getting 'B' for images
Ok, well maybe I just don't understand what compression is in relation to images. I've re-done the images and added some more. The originals were cropped with Gimp & exported as JPG setting the quality slider to 50.

Still getting a 'B', though I did see an 'A' on one test. Think I'll be happy with that result, am spending too much time on it for too little gain.
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09-29-2012, 02:44 AM
Post: #5
RE: Only getting 'B' for images
(09-29-2012 02:11 AM)Cloudmaster Wrote:  Ok, well maybe I just don't understand what compression is in relation to images. I've re-done the images and added some more. The originals were cropped with Gimp & exported as JPG setting the quality slider to 50.

Still getting a 'B', though I did see an 'A' on one test. Think I'll be happy with that result, am spending too much time on it for too little gain.

Hello:

You head image size 52.13KB still too big. For getting an 'A' you need resize image size.
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