A few more of my thoughts on the new Jetpack "Photon" feature.
Google has long said that the speed with which your site loads will affect how well it ranks in the search results. It’s not a major factor, but it certainly helps. A brand new feature from WordPress called “Photon” will help your site load faster, with no extra work needed on your end!
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- This looks/seems like a great idea. However, I'm personally concerned by the cached "forever" aspect. One reason is that on several sites that run eStores I'll use a thumbnail regeneration plugin to match the new sizes of image setting for the eStore and/or blog. If I understand correctly this will cache the various sizes for you. So I assume (thinking aloud here) that if those settings are changed, it'll adjust accordingly? But if you delete the image and upload a new version, it'll retain its filename and therefore not get updated by Photon. So you'd have to either 1. Keep all previous (unused) versions of all images on your site, or 2. rename the image before uploading. So I guess I'm not sure it'll be a problem... But I'm a little hesitant without some way to refresh the cached images. Nov 9, 2012
- Yes, you're correct about images named the same -- this won't update them. For most uses, such as pages and posts and they're intending, that's not a problem. In your case, it might be.
However, you can always generate new sizes of a given image. Just add "w=123" for width, or "h=123" for height, etc.Nov 9, 2012