My website has about 20 thousand product images. Google Page Speed tells me they can be optimized, and it's correct - the difference is huge. Google is able to maintain identical quality and reduce the image size by 70-90%, and Page Speed even optimizes them for me and provides me with a link to the optimized image. This would be great if I only had a few images, but I can't manually update 20k images. I don't want to make any programmatic changes to handle optimization, I'd rather just run all of my images through a piece of software that can optimize them and replace the existing images. I would greatly appreciate it if someone who has been through this before can recommend a good program that can accomplish a job of this size while still maintaining quality. Thanks.
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What kind of images? (ie: png, jpeg, ??)– ChrisLivelyCommented Feb 16, 2012 at 2:58
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these particular images are jpeg– StronglyTypedCommented Feb 16, 2012 at 2:59
6 Answers
If you're using a Mac I'd recommend http://imageoptim.com since you just drag and drop the files. It saves the files in its original location. For Windows on Adobe AIR some people seem to like Shrink O'Matic - http://toki-woki.net/p/Shrink-O-Matic/
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2Shrink-O-Matic does not optimize images (sometimes the saved image is even bigger) and seems to destroy animated GIFs (eg. loaders, only the first frame is saved).– RonaldCommented Feb 20, 2014 at 13:20
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I've tried using image optim and google still says it can be reduced by over 70%– OliwolCommented May 21, 2017 at 8:43
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@Oliwol, perhaps the images are not the right size, meaning the size they're displayed on the page? Commented May 28, 2017 at 18:50
I ended up using a service from Yahoo, SmushIt: http://www.smushit.com/ysmush.it/. It can handle several hundred images at a time. I tried uploading 2,500 and it froze, but had no problem doing 400-500. The compression isn't quite as good as Google's, as Google Page Speed still says it can compress some of them an additional 3-8%, however, I've noticed that Google will sometimes reduce image quality, whereas SmushIt maintained exact quality 100% of the time.
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2Also note that Smush.it changed in a way that you can't select multiple images at once anymore. You need to select single images for each upload form element now. Sorry, but that sucks. Commented Aug 5, 2014 at 11:25
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1Well, that escalated slowly.– user1099053Commented Dec 6, 2016 at 17:12
Here is the download link for Page Speed image optimizer. Cheers!
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You can use this executable within a batch or automatically run it on all images in your IDE/build environment. It's also possible to add it to the Windows Explorer context-menu: integraxor.com/blog/….– RonaldCommented Feb 20, 2014 at 13:25
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Your best best is to use Google's own PageSpeed script. Just install it on your server and you are good to go!
On Apache: mod_pagespeed
On nginX: ngx_pagespeed
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This is perfect for image optimization for google: http://outcontrol.net/gpsio-google-page-speed-image-optimizer-optimizar-imagenes-para-google/
kj
Never used it. Sounds like it's up your alley though: http://www.imageoptimizer.net/Pages/Home.aspx
Looks like it adds some "promo" text to the bottom of the images unless you pay for it though. Someone else might have a better option.
Almost forgot about this one: http://www.gimp.org/
