| Boot |
16202 bytes (15.8k)
|
CDN |
| cdnjs |
14009 bytes (13.7k)
|
CDN |
| gzip -6 (default) |
13932 bytes (13.6k)
|
local copy |
| gzip -9 |
13914 bytes (13.6k)
|
local copy |
| unpkg |
13903 bytes (13.6k)
|
CDN |
| jsdelivr |
13901 bytes (13.6k)
|
CDN |
| libdeflate -12 |
13422 bytes (13.1k)
|
local copy |
| kzip -s0 -rn -b3 |
13411 bytes (13.1k)
|
local copy |
| zultra |
13411 bytes (13.1k)
|
local copy |
| 7zip -mx=9 -tgzip |
13406 bytes (13.1k)
|
local copy |
| pigz -11 -n |
13397 bytes (13.1k)
|
local copy |
| Zopfli |
13370 bytes (13.1k)
|
local copy |
| Description | Value | Parameter |
|---|---|---|
| iterations | 100000 | --i100000 |
| maximum blocks | 8 | --mb8 |
| maximum length score | 32 | --mls32 |
| block splitting recursion | 40 | --bsr40 |
| lazy matching in LZ77 | yes | --lazy |
| optimized Huffman headers | yes | --ohh |
| initial random W for iterations | 1 | --rw1 |
| initial random Z for iterations | 2 | --rz2 |
| CDN | Size (compressed) | MD5 (uncompressed) | Timestamp |
|---|---|---|---|
| Boot | 16202 bytes | e98729444d1a0b15859cdcb27ebcc8c7 | (invalid) |
| cdnjs | 14009 bytes | e98729444d1a0b15859cdcb27ebcc8c7 | (invalid) |
| unpkg | 13903 bytes | e98729444d1a0b15859cdcb27ebcc8c7 | April 6, 2017 @ 17:25 |
| CDN | Size (compressed) | MD5 (uncompressed) | Comment / Diff | Timestamp |
|---|---|---|---|---|
| jsdelivr | 13901 bytes | c6e56b67c1f649ee0e7d0f45fdb208be | only whitespaces differ | (invalid) |
| Size | Improvement | Parameters | Found |
|---|---|---|---|
| 13370 bytes | -2 bytes | zopfli --i100000 --mls32 --bsr40 --lazy --ohh | April 10, 2017 @ 13:30 |
| 13372 bytes | -1 byte | zopfli --i10000 --mls32 --bsr40 --lazy --ohh | April 7, 2017 @ 05:33 |
| 13373 bytes | -1 byte | zopfli --i10000 --mls8 --bsr22 --lazy --ohh | April 7, 2017 @ 01:50 |
| 13374 bytes | -5 bytes | zopfli --i1000 --mls4 --bsr7 --lazy --ohh | April 6, 2017 @ 19:00 |
| 13379 bytes | – | zopfli --i100 --mls32 --bsr30 --lazy --ohh | April 6, 2017 @ 18:19 |
| 2 | 4 | 8 | 16 | 32 | 64 | 128 | 256 | 512 | 1024 | 2048 | 4096 | 8192 | 16384 | 32768 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 4 | 8 | 16 | 32 | 64 | 128 | 256 | 512 | 1024 | 2048 | 4096 | 8192 | 16384 | 32768 | |
| 2 | 13385 | 13386 | 13384 | 13385 | 13387 | 13387 | 13387 | 13387 | 13381 | 13388 | 13387 | 13387 | 13385 | 13394 | 13387 |
| 4 | 13386 | 13379 | 13381 | 13378 | 13385 | 13385 | 13387 | 13382 | 13380 | 13384 | 13381 | 13383 | 13381 | 13381 | 13395 |
| 6 | 13380 | 13374 | 13374 | 13379 | 13381 | 13379 | 13382 | 13385 | 13379 | 13382 | 13381 | 13385 | 13386 | 13383 | 13390 |
| 7 | 13385 | 13373 | 13383 | 13382 | 13384 | 13381 | 13382 | 13383 | 13384 | 13387 | 13381 | 13382 | 13378 | 13379 | 13396 |
| 8 | 13385 | 13382 | 13383 | 13379 | 13379 | 13383 | 13378 | 13384 | 13379 | 13384 | 13381 | 13387 | 13379 | 13379 | 13392 |
| 9 | 13385 | 13374 | 13373 | 13378 | 13377 | 13381 | 13385 | 13386 | 13386 | 13380 | 13381 | 13383 | 13377 | 13380 | 13379 |
| 10 | 13385 | 13374 | 13378 | 13382 | 13379 | 13379 | 13383 | 13385 | 13384 | 13380 | 13381 | 13385 | 13388 | 13381 | 13379 |
| 11 | 13385 | 13374 | 13375 | 13378 | 13379 | 13380 | 13382 | 13384 | 13385 | 13381 | 13386 | 13385 | 13377 | 13379 | 13390 |
| 12 | 13385 | 13374 | 13375 | 13378 | 13379 | 13379 | 13382 | 13385 | 13383 | 13381 | 13381 | 13384 | 13379 | 13383 | 13393 |
| 13 | 13385 | 13374 | 13375 | 13379 | 13377 | 13379 | 13385 | 13377 | 13378 | 13379 | 13381 | 13382 | 13377 | 13392 | 13389 |
| 14 | 13380 | 13374 | 13373 | 13379 | 13380 | 13379 | 13382 | 13386 | 13382 | 13380 | 13385 | 13382 | 13384 | 13380 | 13386 |
| 15 | 13385 | 13374 | 13373 | 13379 | 13381 | 13383 | 13382 | 13383 | 13383 | 13381 | 13381 | 13385 | 13378 | 13380 | 13389 |
| 16 | 13385 | 13379 | 13379 | 13379 | 13379 | 13379 | 13382 | 13386 | 13385 | 13380 | 13382 | 13383 | 13386 | 13379 | 13385 |
| 17 | 13380 | 13375 | 13384 | 13378 | 13381 | 13381 | 13385 | 13384 | 13383 | 13381 | 13381 | 13382 | 13378 | 13380 | 13380 |
| 18 | 13382 | 13373 | 13383 | 13379 | 13375 | 13381 | 13383 | 13380 | 13386 | 13381 | 13386 | 13385 | 13384 | 13379 | 13394 |
| 19 | 13385 | 13373 | 13378 | 13378 | 13378 | 13380 | 13383 | 13384 | 13386 | 13381 | 13381 | 13385 | 13384 | 13379 | 13386 |
| 20 | 13385 | 13374 | 13378 | 13379 | 13380 | 13383 | 13385 | 13376 | 13383 | 13382 | 13381 | 13385 | 13378 | 13379 | 13389 |
| 21 | 13385 | 13374 | 13379 | 13379 | 13379 | 13381 | 13382 | 13386 | 13385 | 13380 | 13385 | 13388 | 13380 | 13393 | 13394 |
| 22 | 13385 | 13374 | 13373 | 13378 | 13380 | 13381 | 13384 | 13386 | 13383 | 13381 | 13381 | 13382 | 13380 | 13378 | 13381 |
| 23 | 13385 | 13374 | 13376 | 13378 | 13378 | 13379 | 13382 | 13385 | 13380 | 13381 | 13385 | 13382 | 13377 | 13392 | 13385 |
| 25 | 13385 | 13373 | 13374 | 13376 | 13376 | 13381 | 13382 | 13385 | 13383 | 13381 | 13381 | 13382 | 13382 | 13379 | 13381 |
| 30 | 13385 | 13376 | 13373 | 13380 | 13370 | 13379 | 13382 | 13385 | 13379 | 13380 | 13383 | 13382 | 13379 | 13383 | 13391 |
| 40 | 13374 | 13379 | 13374 | 13377 | 13370 | 13379 | 13379 | 13380 | 13383 | 13380 | 13382 | 13382 | 13382 | 13379 | 13387 |
| Iterations | Min. Bytes | Reduction | Coverage |
|---|---|---|---|
| 100 | 13379 bytes | – | 100% |
| 1,000 | 13374 bytes | -5 bytes | 100% |
| 10,000 | 13372 bytes | -2 bytes | 100% |
| 100,000 | 13370 bytes | -2 bytes | 4.06% |
| 1,000,000 | – | – | – |
| 10,000,000 | – | – | – |
| Blocks | Min. Bytes | Compared To Best Zopfli | Compared To Best KZIP |
|---|---|---|---|
| (any) | 13422 bytes | +52 bytes (+0.39%) | +11 bytes |
| 1 | 13421 bytes | +51 bytes (+0.38%) | +10 bytes |
| 2 | 13416 bytes | +46 bytes (+0.34%) | +5 bytes |
| 3 | 13411 bytes | +41 bytes (+0.31%) | – |
| 4 | 13453 bytes | +83 bytes (+0.62%) | +42 bytes |
| 5 | 13440 bytes | +70 bytes (+0.52%) | +29 bytes |
| 6 | 13476 bytes | +106 bytes (+0.79%) | +65 bytes |
| 7 | 13511 bytes | +141 bytes (+1.05%) | +100 bytes |
| 8 | 13550 bytes | +180 bytes (+1.35%) | +139 bytes |
| Algorithm | Program | Parameters | Size | Compared To Best Zopfli |
|---|---|---|---|---|
| RAR (proprietary) | RAR | rar a -m5 -md64m -mc63:128t -mt1 | 11379 bytes | -1991 bytes (-14.89%) |
| ZPAQ (Wikipedia) | zpaq | zpaq -method 69 | 11702 bytes | -1668 bytes (-12.48%) |
| PPMd (Wikipedia) | 7zip | 7za a -mx=9 -m0=ppmd | 12134 bytes | -1236 bytes (-9.24%) |
| Brotli (Wikipedia) | brotli | brotli -q 11 | 12658 bytes | -712 bytes (-5.33%) |
| Burrows-Wheeler transform (Wikipedia) | bzip2 | bzip2 -9 | 12801 bytes | -569 bytes (-4.26%) |
| LZMA2 (Wikipedia) | xz | xz -9 | 13288 bytes | -82 bytes (-0.61%) |
| Zstandard (Wikipedia) | zstd | zstd -19 | 13418 bytes | +48 bytes (+0.36%) |