Optimize textures more aggressively.
Use optipng with default options. This converted a number of textures from RGB to indexed colors, but reduces file sizes substantially.
Before Width: | Height: | Size: 731 B After Width: | Height: | Size: 544 B |
Before Width: | Height: | Size: 730 B After Width: | Height: | Size: 452 B |
Before Width: | Height: | Size: 732 B After Width: | Height: | Size: 545 B |
Before Width: | Height: | Size: 731 B After Width: | Height: | Size: 541 B |
Before Width: | Height: | Size: 746 B After Width: | Height: | Size: 524 B |
Before Width: | Height: | Size: 743 B After Width: | Height: | Size: 532 B |
Before Width: | Height: | Size: 431 B After Width: | Height: | Size: 353 B |
Before Width: | Height: | Size: 16 KiB After Width: | Height: | Size: 15 KiB |