##Lossless compression ratio and Weissman score:
| codec | avg. compression ratio | avg. space saving | wavg. encode time | wavg. decode time | Weissman score |
|---|---|---|---|---|---|
| daala | 2.798 | 64.26% | 0.8049 | 0.7280 | 3.3381 |
| vp9 | 2.905 | 65.58% | 3.9375 | 0.4193 | 2.8011 |
| av1-20160930 | 2.912 | 65.66% | 4.7511 | 0.4838 | 2.7455 |
| av1-20170809 | 2.984 | 66.49% | 20.4157 | 0.6900 | 2.4003 |
| kdu | 1.564 | 36.06% | 0.3875 | 0.2892 | 2.0946 |
| jxr | 1.560 | 35.89% | 0.4058 | 0.3628 | 2.0730 |
| av1-20180222 | 2.943 | 66.02% | 97.6492 | 1.0156 | 2.0444 |
| flif | 2.473 | 59.57% | 22.1088 | 4.3042 | 1.9732 |
| openjpeg | 1.564 | 36.06% | 2.1181 | 1.3794 | 1.6300 |
| webp | 2.124 | 52.93% | 37.9675 | 2.4799 | 1.6079 |
| bpg | 1.150 | 13.03% | 3.7503 | 3.5251 | 1.1151 |
| mozjpeg | 1.137 | 12.05% | 8.7385 | 0.4144 | 1.0000 |
##Lossy compression and speed
.svg)