[ { "group": "photos", "name": "imgtools-a1", "source_kb": 150.4, "lossless_webp_kb": 998.4, "qualities": { "50": { "kb": 53.8, "ssim": 0.9517 }, "60": { "kb": 62.2, "ssim": 0.9581 }, "70": { "kb": 72.1, "ssim": 0.964 }, "80": { "kb": 95.0, "ssim": 0.9737 }, "90": { "kb": 157.6, "ssim": 0.9877 } } }, { "group": "photos", "name": "imgtools-b2", "source_kb": 199.4, "lossless_webp_kb": 1604.5, "qualities": { "50": { "kb": 70.0, "ssim": 0.9407 }, "60": { "kb": 81.5, "ssim": 0.9472 }, "70": { "kb": 95.1, "ssim": 0.9531 }, "80": { "kb": 130.3, "ssim": 0.9634 }, "90": { "kb": 227.1, "ssim": 0.9814 } } }, { "group": "photos", "name": "imgtools-c3", "source_kb": 92.0, "lossless_webp_kb": 612.3, "qualities": { "50": { "kb": 30.0, "ssim": 0.9577 }, "60": { "kb": 36.3, "ssim": 0.9634 }, "70": { "kb": 41.8, "ssim": 0.9684 }, "80": { "kb": 58.8, "ssim": 0.977 }, "90": { "kb": 108.4, "ssim": 0.9899 } } }, { "group": "photos", "name": "imgtools-d4", "source_kb": 133.0, "lossless_webp_kb": 1067.8, "qualities": { "50": { "kb": 45.5, "ssim": 0.9596 }, "60": { "kb": 52.8, "ssim": 0.9635 }, "70": { "kb": 60.1, "ssim": 0.9665 }, "80": { "kb": 82.2, "ssim": 0.9746 }, "90": { "kb": 148.0, "ssim": 0.9878 } } }, { "group": "photos", "name": "imgtools-e5", "source_kb": 428.5, "lossless_webp_kb": 2145.4, "qualities": { "50": { "kb": 299.7, "ssim": 0.9493 }, "60": { "kb": 331.6, "ssim": 0.9583 }, "70": { "kb": 362.8, "ssim": 0.9653 }, "80": { "kb": 448.0, "ssim": 0.9786 }, "90": { "kb": 634.8, "ssim": 0.9928 } } }, { "group": "photos", "name": "imgtools-f6", "source_kb": 149.8, "lossless_webp_kb": 1221.7, "qualities": { "50": { "kb": 31.8, "ssim": 0.9048 }, "60": { "kb": 41.1, "ssim": 0.9113 }, "70": { "kb": 51.2, "ssim": 0.9182 }, "80": { "kb": 86.1, "ssim": 0.9386 }, "90": { "kb": 181.0, "ssim": 0.9755 } } }, { "group": "photos", "name": "imgtools-g7", "source_kb": 117.0, "lossless_webp_kb": 959.8, "qualities": { "50": { "kb": 45.6, "ssim": 0.9682 }, "60": { "kb": 52.6, "ssim": 0.9716 }, "70": { "kb": 58.8, "ssim": 0.9746 }, "80": { "kb": 77.9, "ssim": 0.9809 }, "90": { "kb": 131.4, "ssim": 0.9888 } } }, { "group": "photos", "name": "imgtools-h8", "source_kb": 168.2, "lossless_webp_kb": 1296.9, "qualities": { "50": { "kb": 73.3, "ssim": 0.9671 }, "60": { "kb": 82.6, "ssim": 0.9716 }, "70": { "kb": 93.0, "ssim": 0.9752 }, "80": { "kb": 118.7, "ssim": 0.9821 }, "90": { "kb": 190.0, "ssim": 0.9917 } } }, { "group": "photos", "name": "imgtools-i9", "source_kb": 325.4, "lossless_webp_kb": 2084.4, "qualities": { "50": { "kb": 192.5, "ssim": 0.9252 }, "60": { "kb": 216.9, "ssim": 0.9351 }, "70": { "kb": 245.3, "ssim": 0.9478 }, "80": { "kb": 313.1, "ssim": 0.9666 }, "90": { "kb": 463.5, "ssim": 0.9866 } } }, { "group": "photos", "name": "imgtools-j10", "source_kb": 152.6, "lossless_webp_kb": 937.7, "qualities": { "50": { "kb": 58.0, "ssim": 0.9663 }, "60": { "kb": 65.2, "ssim": 0.9694 }, "70": { "kb": 74.1, "ssim": 0.9724 }, "80": { "kb": 94.8, "ssim": 0.9781 }, "90": { "kb": 156.8, "ssim": 0.9877 } } }, { "group": "screenshots", "name": "shot-compress", "source_kb": 95.8, "lossless_webp_kb": 249.9, "qualities": { "50": { "kb": 29.4, "ssim": 0.9964 }, "60": { "kb": 31.3, "ssim": 0.9972 }, "70": { "kb": 33.6, "ssim": 0.9978 }, "80": { "kb": 39.3, "ssim": 0.9983 }, "90": { "kb": 51.3, "ssim": 0.999 } } }, { "group": "screenshots", "name": "shot-convert", "source_kb": 95.4, "lossless_webp_kb": 251.5, "qualities": { "50": { "kb": 30.2, "ssim": 0.9963 }, "60": { "kb": 32.2, "ssim": 0.9971 }, "70": { "kb": 34.4, "ssim": 0.9976 }, "80": { "kb": 40.4, "ssim": 0.9983 }, "90": { "kb": 52.8, "ssim": 0.999 } } }, { "group": "screenshots", "name": "shot-home", "source_kb": 130.9, "lossless_webp_kb": 265.1, "qualities": { "50": { "kb": 60.0, "ssim": 0.9943 }, "60": { "kb": 64.5, "ssim": 0.9953 }, "70": { "kb": 69.4, "ssim": 0.9967 }, "80": { "kb": 83.0, "ssim": 0.9977 }, "90": { "kb": 110.9, "ssim": 0.9988 } } }, { "group": "screenshots", "name": "shot-tutorial", "source_kb": 168.0, "lossless_webp_kb": 270.9, "qualities": { "50": { "kb": 42.0, "ssim": 0.9923 }, "60": { "kb": 45.5, "ssim": 0.994 }, "70": { "kb": 48.4, "ssim": 0.9945 }, "80": { "kb": 57.8, "ssim": 0.9969 }, "90": { "kb": 77.7, "ssim": 0.9985 } } }, { "group": "docs", "name": "doc1", "source_kb": 316.9, "lossless_webp_kb": 86.8, "qualities": { "50": { "kb": 250.2, "ssim": 0.9976 }, "60": { "kb": 263.6, "ssim": 0.9981 }, "70": { "kb": 278.9, "ssim": 0.9985 }, "80": { "kb": 312.6, "ssim": 0.9992 }, "90": { "kb": 380.6, "ssim": 0.9997 } } }, { "group": "docs", "name": "doc2", "source_kb": 317.1, "lossless_webp_kb": 86.8, "qualities": { "50": { "kb": 250.2, "ssim": 0.9976 }, "60": { "kb": 263.6, "ssim": 0.9981 }, "70": { "kb": 279.0, "ssim": 0.9985 }, "80": { "kb": 312.7, "ssim": 0.9992 }, "90": { "kb": 380.7, "ssim": 0.9997 } } }, { "group": "docs", "name": "doc3", "source_kb": 317.2, "lossless_webp_kb": 87.0, "qualities": { "50": { "kb": 250.3, "ssim": 0.9976 }, "60": { "kb": 263.6, "ssim": 0.9981 }, "70": { "kb": 279.0, "ssim": 0.9985 }, "80": { "kb": 312.8, "ssim": 0.9992 }, "90": { "kb": 380.7, "ssim": 0.9997 } } }, { "group": "art", "name": "art1", "source_kb": 25.1, "lossless_webp_kb": 17.2, "qualities": { "50": { "kb": 25.4, "ssim": 0.9888 }, "60": { "kb": 27.0, "ssim": 0.992 }, "70": { "kb": 28.5, "ssim": 0.9923 }, "80": { "kb": 33.3, "ssim": 0.9958 }, "90": { "kb": 42.9, "ssim": 0.9979 } } }, { "group": "art", "name": "art2", "source_kb": 24.6, "lossless_webp_kb": 17.5, "qualities": { "50": { "kb": 25.8, "ssim": 0.9879 }, "60": { "kb": 27.1, "ssim": 0.9917 }, "70": { "kb": 29.0, "ssim": 0.9925 }, "80": { "kb": 33.6, "ssim": 0.9953 }, "90": { "kb": 44.0, "ssim": 0.998 } } }, { "group": "art", "name": "art3", "source_kb": 23.3, "lossless_webp_kb": 22.3, "qualities": { "50": { "kb": 25.5, "ssim": 0.9883 }, "60": { "kb": 26.8, "ssim": 0.9916 }, "70": { "kb": 28.5, "ssim": 0.991 }, "80": { "kb": 32.8, "ssim": 0.9956 }, "90": { "kb": 42.3, "ssim": 0.9976 } } } ]