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I'm not the one stripping the EXIF, and the options of the program are essentially: "remove all metadata and compress for delivery over the wire" or "do nothing".
I do enjoy a bandwidth bill, and so we will continue to optimise for fewest bytes over the wire.
In my tests on the more extreme end, a 30 MB image can be reduced to 17 MB. But that only happens when all metadata is stripped, and a webp is used instead of a jpeg. When a single image can be reduced by almost half... then we are always going to do this.
The options I have:
- Strip metadata
- Strip metadata and compress
- Strip metadata and compress and use webp where it is safe to
There is no option that preserves metadata and yet compresses.
- Strip metadata
There are no options to partially keep EXIF. It's all or nothing. A lot is to do with the fact that EXIF whilst being mostly standard isn't actually consistent, different programs create different things and it can be a bit unstructured. It's much the same as Id3 tags on MP3 files, more a convention than a strictly adhered to standard. And on the "optimise for delivery" path, mucking around trying to determine exactly what the program that last modified the EXIF intended isn't anyone's priority... it just gets stripped.