The method of saving traffic from gif to apng

This article introduces the relevant knowledge of "the method of saving traffic from gif to apng". In the operation of actual cases, many people will encounter such a dilemma, so let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

At present, ios 8 + already supports the format apng,safari has been tested to support very good, but safari does not support webp, which is a pity.

Tests using gif2apng show that apng saves more bandwidth than gif.

Apng supports three compression formats: zlib, 7zip, and zopfli.

After comparison, we can see the size: gif > zlib apng > 7zip apng > zopfli apng, but it is not absolute, some pictures zlib apng is obviously larger than gif format.

But zopfli consumes a lot of cpu and is very slow to process. After making a choice, I decided to use 7zip. 7zip has both performance and small size, but sometimes the processing speed is slow for large images.

Is considering optimization.

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