| Boot |
43206 bytes (42.2k)
|
CDN |
| Baidu |
38132 bytes (37.2k)
|
CDN |
| cdnjs |
38012 bytes (37.1k)
|
CDN |
| gzip -6 (default) |
37789 bytes (36.9k)
|
local copy |
|
37733 bytes (36.8k)
|
CDN | |
| Yandex |
37713 bytes (36.8k)
|
CDN |
| jsdelivr |
37713 bytes (36.8k)
|
CDN |
| gzip -9 |
37708 bytes (36.8k)
|
local copy |
| 7zip -mx=9 -tgzip |
36602 bytes (35.7k)
|
local copy |
| libdeflate -12 |
36587 bytes (35.7k)
|
local copy |
| zultra |
36579 bytes (35.7k)
|
local copy |
| kzip -s0 -rn -b0 |
36578 bytes (35.7k)
|
local copy |
| pigz -11 -n |
36552 bytes (35.7k)
|
local copy |
| Zopfli |
36511 bytes (35.7k)
|
local copy |
| Zopfli (defluff) |
36510 bytes (35.7k)
|
local copy |
| Description | Value | Parameter |
|---|---|---|
| iterations | 100000 | --i100000 |
| maximum blocks | 8 | --mb8 |
| maximum length score | 4 | --mls4 |
| block splitting recursion | 15 | --bsr15 |
| 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 | 43206 bytes | ff4e9f192563f2d37e04428c841b6539 | March 18, 2015 @ 10:25 |
| cdnjs | 38012 bytes | ff4e9f192563f2d37e04428c841b6539 | March 28, 2014 @ 15:15 |
| 37733 bytes | ff4e9f192563f2d37e04428c841b6539 | (invalid) | |
| Yandex | 37713 bytes | ff4e9f192563f2d37e04428c841b6539 | June 11, 2015 @ 14:17 |
| jsdelivr | 37713 bytes | ff4e9f192563f2d37e04428c841b6539 | August 7, 2014 @ 18:31 |
| CDN | Size (compressed) | MD5 (uncompressed) | Comment / Diff | Timestamp |
|---|---|---|---|---|
| Baidu | 38132 bytes | 41bcdf1821ab1794ca5da0047e4908e5 | only whitespaces differ | June 5, 2014 @ 10:05 |
| Size | Improvement | Parameters | Found |
|---|---|---|---|
| 36511 bytes | -1 byte | zopfli --i100000 --mls4 --bsr15 --lazy --ohh | November 27, 2015 @ 17:36 |
| 36512 bytes | -1 byte | zopfli --i10000 --mls4 --bsr15 --lazy --ohh | October 21, 2015 @ 13:10 |
| 36513 bytes | -1 byte | zopfli --i10000 --mls32 --bsr7 --lazy --ohh | October 21, 2015 @ 13:07 |
| 36514 bytes | -1 byte | zopfli --i1000 --mls32 --bsr7 --lazy --ohh | September 19, 2015 @ 18:06 |
| 36515 bytes | -2 bytes | zopfli --i10000 --mls1024 --bsr10 --lazy --ohh | September 9, 2015 @ 19:05 |
| 36517 bytes | -1 byte | zopfli --i1000 --mls8192 --bsr14 --lazy --ohh | September 7, 2015 @ 20:21 |
| 36518 bytes | -2 bytes | zopfli --i1000 --mls1024 --bsr10 --lazy --ohh | September 7, 2015 @ 20:18 |
| 36520 bytes | -1 byte | zopfli --i1000 --mls1024 --bsr6 --lazy --ohh | September 7, 2015 @ 20:18 |
| 36521 bytes | – | zopfli --i100 --mls4096 --bsr6 --lazy --ohh | September 7, 2015 @ 16:11 |
| 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 | 36517 | 36537 | 36522 | 36537 | 36538 | 36538 | 36541 | 36531 | 36536 | 36519 | 36538 | 36538 | 36545 | 36530 | 36520 |
| 4 | 36536 | 36542 | 36521 | 36524 | 36518 | 36518 | 36520 | 36523 | 36538 | 36537 | 36533 | 36533 | 36529 | 36518 | 36537 |
| 6 | 36520 | 36517 | 36515 | 36519 | 36521 | 36522 | 36519 | 36524 | 36537 | 36518 | 36520 | 36517 | 36529 | 36525 | 36519 |
| 7 | 36521 | 36538 | 36525 | 36520 | 36513 | 36519 | 36517 | 36519 | 36524 | 36519 | 36520 | 36528 | 36518 | 36532 | 36535 |
| 8 | 36526 | 36516 | 36522 | 36519 | 36517 | 36518 | 36522 | 36520 | 36531 | 36530 | 36531 | 36520 | 36516 | 36522 | 36519 |
| 9 | 36524 | 36541 | 36523 | 36518 | 36517 | 36519 | 36518 | 36517 | 36537 | 36540 | 36533 | 36525 | 36521 | 36529 | 36536 |
| 10 | 36514 | 36538 | 36523 | 36517 | 36518 | 36518 | 36518 | 36519 | 36530 | 36515 | 36531 | 36519 | 36522 | 36518 | 36536 |
| 11 | 36517 | 36517 | 36521 | 36518 | 36520 | 36517 | 36521 | 36519 | 36531 | 36516 | 36519 | 36530 | 36520 | 36519 | 36521 |
| 12 | 36522 | 36538 | 36521 | 36519 | 36519 | 36519 | 36519 | 36517 | 36531 | 36529 | 36519 | 36519 | 36515 | 36525 | 36534 |
| 13 | 36533 | 36537 | 36518 | 36519 | 36518 | 36518 | 36517 | 36517 | 36530 | 36520 | 36519 | 36522 | 36515 | 36520 | 36521 |
| 14 | 36537 | 36537 | 36537 | 36533 | 36533 | 36519 | 36518 | 36517 | 36537 | 36538 | 36533 | 36531 | 36515 | 36525 | 36535 |
| 15 | 36522 | 36511 | 36524 | 36518 | 36516 | 36519 | 36518 | 36522 | 36538 | 36538 | 36532 | 36530 | 36524 | 36518 | 36537 |
| 16 | 36518 | 36516 | 36516 | 36519 | 36517 | 36519 | 36517 | 36519 | 36537 | 36539 | 36530 | 36530 | 36521 | 36523 | 36518 |
| 17 | 36522 | 36538 | 36521 | 36526 | 36518 | 36519 | 36517 | 36523 | 36537 | 36538 | 36519 | 36522 | 36523 | 36521 | 36537 |
| 18 | 36538 | 36537 | 36537 | 36519 | 36534 | 36519 | 36537 | 36537 | 36531 | 36540 | 36532 | 36531 | 36518 | 36518 | 36536 |
| 19 | 36522 | 36537 | 36515 | 36523 | 36520 | 36519 | 36518 | 36516 | 36537 | 36540 | 36532 | 36531 | 36518 | 36534 | 36535 |
| 20 | 36516 | 36515 | 36523 | 36517 | 36518 | 36518 | 36517 | 36519 | 36537 | 36540 | 36529 | 36523 | 36517 | 36523 | 36534 |
| 21 | 36518 | 36537 | 36525 | 36520 | 36524 | 36519 | 36516 | 36521 | 36538 | 36540 | 36516 | 36522 | 36516 | 36516 | 36535 |
| 22 | 36538 | 36537 | 36537 | 36538 | 36533 | 36534 | 36537 | 36537 | 36537 | 36539 | 36531 | 36517 | 36523 | 36518 | 36547 |
| 23 | 36516 | 36516 | 36523 | 36519 | 36521 | 36518 | 36518 | 36522 | 36538 | 36538 | 36531 | 36531 | 36519 | 36519 | 36537 |
| 25 | 36514 | 36537 | 36522 | 36517 | 36522 | 36517 | 36520 | 36525 | 36531 | 36530 | 36531 | 36530 | 36521 | 36522 | 36547 |
| 30 | 36522 | 36515 | 36523 | 36519 | 36517 | 36521 | 36519 | 36522 | 36523 | 36521 | 36531 | 36531 | 36515 | 36518 | 36518 |
| 40 | 36522 | 36537 | 36537 | 36538 | 36533 | 36519 | 36537 | 36519 | 36538 | 36540 | 36520 | 36530 | 36516 | 36519 | 36548 |
| Iterations | Min. Bytes | Reduction | Coverage |
|---|---|---|---|
| 100 | 36521 bytes | – | 100% |
| 1,000 | 36514 bytes | -7 bytes | 100% |
| 10,000 | 36512 bytes | -2 bytes | 100% |
| 100,000 | 36511 bytes | -1 byte | 0.29% |
| 1,000,000 | – | – | – |
| 10,000,000 | – | – | – |
| Blocks | Min. Bytes | Compared To Best Zopfli | Compared To Best KZIP |
|---|---|---|---|
| (any) | 36578 bytes | +67 bytes (+0.18%) | – |
| 1 | 36579 bytes | +68 bytes (+0.19%) | +1 byte |
| 2 | 36604 bytes | +93 bytes (+0.25%) | +26 bytes |
| 3 | 36631 bytes | +120 bytes (+0.33%) | +53 bytes |
| 4 | 36642 bytes | +131 bytes (+0.36%) | +64 bytes |
| 5 | 36679 bytes | +168 bytes (+0.46%) | +101 bytes |
| 6 | 36643 bytes | +132 bytes (+0.36%) | +65 bytes |
| 7 | 36665 bytes | +154 bytes (+0.42%) | +87 bytes |
| 8 | 36681 bytes | +170 bytes (+0.47%) | +103 bytes |
| Algorithm | Program | Parameters | Size | Compared To Best Zopfli |
|---|---|---|---|---|
| ZPAQ (Wikipedia) | zpaq | zpaq -method 69 | 29697 bytes | -6814 bytes (-18.66%) |
| RAR (proprietary) | RAR | rar a -m5 -md64m -mc63:128t -mt1 | 30800 bytes | -5711 bytes (-15.64%) |
| PPMd (Wikipedia) | 7zip | 7za a -mx=9 -m0=ppmd | 32068 bytes | -4443 bytes (-12.17%) |
| Brotli (Wikipedia) | brotli | brotli -q 11 | 33584 bytes | -2927 bytes (-8.02%) |
| Burrows-Wheeler transform (Wikipedia) | bzip2 | bzip2 -9 | 34559 bytes | -1952 bytes (-5.35%) |
| LZMA2 (Wikipedia) | xz | xz -9 | 34996 bytes | -1515 bytes (-4.15%) |
| Zstandard (Wikipedia) | zstd | zstd -19 | 35856 bytes | -655 bytes (-1.79%) |