| Boot |
26942 bytes (26.3k)
|
CDN |
| cdnjs |
23599 bytes (23.0k)
|
CDN |
| gzip -6 (default) |
23459 bytes (22.9k)
|
local copy |
| unpkg |
23454 bytes (22.9k)
|
CDN |
| gzip -9 |
23429 bytes (22.9k)
|
local copy |
| jsdelivr |
23415 bytes (22.9k)
|
CDN |
| 7zip -mx=9 -tgzip |
22684 bytes (22.2k)
|
local copy |
| kzip -s0 -rn -b2 |
22672 bytes (22.1k)
|
local copy |
| libdeflate -12 |
22669 bytes (22.1k)
|
local copy |
| zultra |
22656 bytes (22.1k)
|
local copy |
| pigz -11 -n |
22619 bytes (22.1k)
|
local copy |
| Zopfli |
22602 bytes (22.1k)
|
local copy |
| Description | Value | Parameter |
|---|---|---|
| iterations | 100000 | --i100000 |
| maximum blocks | 8 | --mb8 |
| maximum length score | 4096 | --mls4096 |
| block splitting recursion | 8 | --bsr8 |
| 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 | 26942 bytes | 7686bfb874e3a963c6b6776d53b31c15 | (invalid) |
| cdnjs | 23599 bytes | 7686bfb874e3a963c6b6776d53b31c15 | (invalid) |
| unpkg | 23454 bytes | 7686bfb874e3a963c6b6776d53b31c15 | April 5, 2017 @ 17:43 |
| jsdelivr | 23415 bytes | 7686bfb874e3a963c6b6776d53b31c15 | (invalid) |
| Size | Improvement | Parameters | Found |
|---|---|---|---|
| 22602 bytes | -2 bytes | zopfli --i100000 --mls4096 --bsr8 --lazy --ohh | April 6, 2017 @ 16:49 |
| 22604 bytes | -2 bytes | zopfli --i10000 --mls4096 --bsr8 --lazy --ohh | April 5, 2017 @ 20:37 |
| 22606 bytes | -1 byte | zopfli --i10000 --mls4 --bsr18 --lazy --ohh | April 5, 2017 @ 20:36 |
| 22607 bytes | -2 bytes | zopfli --i10000 --mls16 --bsr22 --lazy --ohh | April 5, 2017 @ 20:27 |
| 22609 bytes | -1 byte | zopfli --i1000 --mls16 --bsr22 --lazy --ohh | April 5, 2017 @ 18:05 |
| 22610 bytes | -2 bytes | zopfli --i1000 --mls1024 --bsr14 --lazy --ohh | April 5, 2017 @ 18:04 |
| 22612 bytes | – | zopfli --i100 --mls4096 --bsr19 --lazy --ohh | April 5, 2017 @ 17:50 |
| 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 | 22650 | 22650 | 22634 | 22640 | 22643 | 22643 | 22635 | 22638 | 22637 | 22631 | 22643 | 22650 | 22632 | 22628 | 22628 |
| 4 | 22613 | 22630 | 22620 | 22621 | 22633 | 22631 | 22631 | 22633 | 22637 | 22605 | 22635 | 22632 | 22631 | 22629 | 22638 |
| 6 | 22637 | 22634 | 22628 | 22632 | 22623 | 22628 | 22635 | 22637 | 22631 | 22609 | 22643 | 22633 | 22633 | 22636 | 22635 |
| 7 | 22624 | 22620 | 22612 | 22611 | 22614 | 22632 | 22616 | 22633 | 22632 | 22609 | 22627 | 22628 | 22629 | 22636 | 22635 |
| 8 | 22620 | 22629 | 22635 | 22611 | 22634 | 22631 | 22611 | 22626 | 22636 | 22607 | 22637 | 22602 | 22626 | 22636 | 22635 |
| 9 | 22612 | 22625 | 22637 | 22630 | 22622 | 22632 | 22615 | 22632 | 22612 | 22609 | 22636 | 22634 | 22633 | 22632 | 22633 |
| 10 | 22614 | 22634 | 22611 | 22612 | 22632 | 22625 | 22636 | 22634 | 22632 | 22608 | 22644 | 22632 | 22630 | 22629 | 22627 |
| 11 | 22609 | 22631 | 22623 | 22621 | 22616 | 22629 | 22617 | 22632 | 22613 | 22608 | 22635 | 22609 | 22625 | 22636 | 22634 |
| 12 | 22624 | 22631 | 22636 | 22621 | 22634 | 22630 | 22610 | 22633 | 22634 | 22609 | 22646 | 22628 | 22625 | 22637 | 22626 |
| 13 | 22637 | 22636 | 22623 | 22633 | 22637 | 22634 | 22619 | 22634 | 22632 | 22610 | 22636 | 22632 | 22629 | 22636 | 22635 |
| 14 | 22614 | 22611 | 22612 | 22608 | 22623 | 22632 | 22620 | 22606 | 22609 | 22607 | 22632 | 22637 | 22626 | 22629 | 22638 |
| 15 | 22616 | 22629 | 22638 | 22641 | 22640 | 22629 | 22642 | 22634 | 22631 | 22606 | 22643 | 22606 | 22626 | 22636 | 22635 |
| 16 | 22609 | 22609 | 22608 | 22623 | 22632 | 22631 | 22636 | 22635 | 22632 | 22609 | 22635 | 22605 | 22627 | 22629 | 22634 |
| 17 | 22609 | 22609 | 22610 | 22622 | 22627 | 22615 | 22615 | 22633 | 22614 | 22608 | 22637 | 22632 | 22628 | 22636 | 22634 |
| 18 | 22608 | 22606 | 22611 | 22608 | 22624 | 22612 | 22615 | 22633 | 22614 | 22610 | 22636 | 22632 | 22631 | 22635 | 22634 |
| 19 | 22611 | 22612 | 22615 | 22622 | 22634 | 22612 | 22635 | 22637 | 22614 | 22609 | 22627 | 22606 | 22633 | 22626 | 22634 |
| 20 | 22610 | 22610 | 22609 | 22631 | 22632 | 22625 | 22632 | 22633 | 22614 | 22608 | 22636 | 22633 | 22635 | 22630 | 22636 |
| 21 | 22610 | 22608 | 22610 | 22607 | 22632 | 22635 | 22617 | 22634 | 22612 | 22608 | 22644 | 22609 | 22632 | 22635 | 22636 |
| 22 | 22612 | 22610 | 22611 | 22607 | 22625 | 22634 | 22610 | 22632 | 22608 | 22608 | 22645 | 22632 | 22631 | 22633 | 22627 |
| 23 | 22609 | 22609 | 22610 | 22622 | 22638 | 22610 | 22614 | 22635 | 22614 | 22609 | 22636 | 22633 | 22627 | 22626 | 22627 |
| 25 | 22609 | 22611 | 22610 | 22623 | 22623 | 22635 | 22617 | 22632 | 22611 | 22609 | 22626 | 22634 | 22636 | 22637 | 22636 |
| 30 | 22613 | 22643 | 22617 | 22607 | 22636 | 22634 | 22610 | 22633 | 22614 | 22609 | 22636 | 22626 | 22633 | 22628 | 22637 |
| 40 | 22613 | 22612 | 22622 | 22611 | 22636 | 22607 | 22616 | 22637 | 22610 | 22605 | 22630 | 22606 | 22631 | 22634 | 22637 |
| Iterations | Min. Bytes | Reduction | Coverage |
|---|---|---|---|
| 100 | 22612 bytes | – | 100% |
| 1,000 | 22609 bytes | -3 bytes | 100% |
| 10,000 | 22604 bytes | -5 bytes | 100% |
| 100,000 | 22602 bytes | -2 bytes | 0.58% |
| 1,000,000 | – | – | – |
| 10,000,000 | – | – | – |
| Blocks | Min. Bytes | Compared To Best Zopfli | Compared To Best KZIP |
|---|---|---|---|
| (any) | 22675 bytes | +73 bytes (+0.32%) | +3 bytes |
| 1 | 22675 bytes | +73 bytes (+0.32%) | +3 bytes |
| 2 | 22672 bytes | +70 bytes (+0.31%) | – |
| 3 | 22678 bytes | +76 bytes (+0.34%) | +6 bytes |
| 4 | 22689 bytes | +87 bytes (+0.38%) | +17 bytes |
| 5 | 22710 bytes | +108 bytes (+0.48%) | +38 bytes |
| 6 | 22743 bytes | +141 bytes (+0.62%) | +71 bytes |
| 7 | 22759 bytes | +157 bytes (+0.69%) | +87 bytes |
| 8 | 22791 bytes | +189 bytes (+0.84%) | +119 bytes |
| Algorithm | Program | Parameters | Size | Compared To Best Zopfli |
|---|---|---|---|---|
| ZPAQ (Wikipedia) | zpaq | zpaq -method 69 | 19187 bytes | -3415 bytes (-15.11%) |
| RAR (proprietary) | RAR | rar a -m5 -md64m -mc63:128t -mt1 | 19520 bytes | -3082 bytes (-13.64%) |
| PPMd (Wikipedia) | 7zip | 7za a -mx=9 -m0=ppmd | 20726 bytes | -1876 bytes (-8.30%) |
| Brotli (Wikipedia) | brotli | brotli -q 11 | 21150 bytes | -1452 bytes (-6.42%) |
| Burrows-Wheeler transform (Wikipedia) | bzip2 | bzip2 -9 | 21876 bytes | -726 bytes (-3.21%) |
| LZMA2 (Wikipedia) | xz | xz -9 | 21884 bytes | -718 bytes (-3.18%) |
| Zstandard (Wikipedia) | zstd | zstd -19 | 22405 bytes | -197 bytes (-0.87%) |