In addition, WebP supports more compression options than WebM.GIFs have been around for as long as I can remember, and today they’re as popular as ever. Having several videos playing at once can cause massive performance drops.
But in Google's WebP FAQ, the company explains that Chrome (and likely other browsers) are designed to play videos smoothly based on the assumption that pages only have one or two videos. For example, Twitter converts all uploaded GIFs to MP4 video to reduce data usage for users (and to save space on its servers). You may be thinking, "why don't we all just use video formats like WebM and MP4?" In some cases, it does make sense. This is especially noticeable in tests #1 and #2, where WebP was closest in file size to the original video. Animated PNG is really only ideal if you need the highest quality possible, or multiple transparency layers. WebP is much more suited for video-based content, because WebP supports both lossy and lossless compression. Animated PNG was designed for much the same purpose, but allows for 24-bit images and 8-bit transparency. GIFs were initially created for short image animations, but now are more commonly used as silent looping videos. When looking at these results, it's incredibly important to think about what each format was designed for. In the final test, WebP once again came ahead with a smaller size than the original GIF. Source: 100x100 GIF with 8 frames, 8-bit color depth - 17 KB For my final test, I used this sticker of a happy Taco. This is one of the best use cases for WebP and aPNG - these stickers are multi-frame images, rather than animations created from a video source. Stickers have become incredibly popular in messaging applications, and some of them have basic animations as well. So in case it wasn't obvious, you should probably leave your gameplay footage as actual video. Source: 60FPS 2560x1440 Google VP8 WebM video (11 seconds long) - 13MBĪPNG: 1,504 MB before I ran out of space on my SSD and the conversion stopped For this test, I downloaded this high-resolution recording of Overwatch from Gfycat. That's why sites like Gfycat have become popular for sharing gameplay clips, because they convert files to either WebM or MP4 (or both). Saving your best game moments as GIFs isn't a good idea - unless you like massive files. WebP still came out ahead, and ended up being marginally smaller than the original GIF. This time, the difference between WebP and aPNG is much smaller. Source: 400x321 GIF with 31 frames, 8-bit color depth - 490 KB
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