So I have a platform for users which allows them to upload a fair amount of pictures. At the moment, I have my server resizing and saving all images individually to my CDN (so I can pick the best option in order to reduce load time when a user requests to view it), but it seems very wasteful in regards to server storage.
The images are being converted into resolutions of 1200px, 500px, 140px, 40px and 24px.
What I'm wondering is, would it be more efficient to just save the file at 1200px, then serve it via PHP at the requested size using something like ImageMagick? Would there be any major trade-offs and if so, is it worth it?
What I'm doing right now:
An example of what I could do:
https://v1x-3.hbcdn.net/image.php?type=user&file=filename&resolution=500
Cheers.
No it's not, because:
you have a small number of sizes
if you will not use caching (image generation on first request only) you can DDOS yourself (image processing its a cpu affected process)
It makes sense if you have a lot sizes of images, for example, API that supports multiple Andoid/IOS devices, meaning iphone 3 supports 320x320 image only and if you dont have users with such device, your server never creates such image.
Advice:
During image generation, use optimization it reduces image size with imperceptible loss of quality.
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