A simple experiment of webp encoding of Time
webp
Settings:
ffmpeg -framerate 10 -i %04d_time.png -c:v libwebp_anim -compression_level 6 -qscale 40 -preset drawing time.webp
Size: 4746 KB
webm
ffmpeg -framerate 10 -i %04d_time.png -c:v libaom-av1 -crf 30 -b:v 20k -an av1_test_oct.webm
Size: 829 KB