| Boot |
31748 bytes (31.0k)
|
CDN |
| cdnjs |
27880 bytes (27.2k)
|
CDN |
| gzip -6 (default) |
27682 bytes (27.0k)
|
local copy |
| unpkg |
27650 bytes (27.0k)
|
CDN |
| gzip -9 |
27642 bytes (27.0k)
|
local copy |
| jsdelivr |
27629 bytes (27.0k)
|
CDN |
| 7zip -mx=9 -tgzip |
26742 bytes (26.1k)
|
local copy |
| libdeflate -12 |
26740 bytes (26.1k)
|
local copy |
| kzip -s0 -rn -b0 |
26727 bytes (26.1k)
|
local copy |
| zultra |
26707 bytes (26.1k)
|
local copy |
| pigz -11 -n |
26681 bytes (26.1k)
|
local copy |
| Zopfli |
26615 bytes (26.0k)
|
local copy |
| Description | Value | Parameter |
|---|---|---|
| iterations | 1000000 | --i1000000 |
| maximum blocks | 8 | --mb8 |
| maximum length score | 16 | --mls16 |
| block splitting recursion | 20 | --bsr20 |
| 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 | 31748 bytes | c21fe47b6cc24a435683c98788ae559d | (invalid) |
| cdnjs | 27880 bytes | c21fe47b6cc24a435683c98788ae559d | (invalid) |
| unpkg | 27650 bytes | c21fe47b6cc24a435683c98788ae559d | March 23, 2017 @ 07:54 |
| jsdelivr | 27629 bytes | c21fe47b6cc24a435683c98788ae559d | (invalid) |
| Size | Improvement | Parameters | Found |
|---|---|---|---|
| 26615 bytes | -3 bytes | zopfli --i1000000 --mls16 --bsr20 --lazy --ohh | April 2, 2017 @ 23:51 |
| 26618 bytes | -3 bytes | zopfli --i100000 --mls16 --bsr20 --lazy --ohh | March 31, 2017 @ 22:31 |
| 26621 bytes | -4 bytes | zopfli --i10000 --mls16 --bsr20 --lazy --ohh | March 30, 2017 @ 22:05 |
| 26625 bytes | -6 bytes | zopfli --i1000 --mls16 --bsr20 --lazy --ohh | March 30, 2017 @ 15:07 |
| 26631 bytes | – | zopfli --i100 --mls16 --bsr20 --lazy --ohh | March 30, 2017 @ 13:33 |
| 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 | 26637 | 26636 | 26638 | 26635 | 26636 | 26637 | 26636 | 26638 | 26640 | 26640 | 26659 | 26685 | 26679 | 26681 | 26661 |
| 4 | 26653 | 26656 | 26654 | 26654 | 26680 | 26687 | 26676 | 26679 | 26662 | 26668 | 26664 | 26670 | 26669 | 26673 | 26675 |
| 6 | 26648 | 26660 | 26650 | 26650 | 26661 | 26671 | 26659 | 26662 | 26667 | 26666 | 26669 | 26667 | 26665 | 26676 | 26678 |
| 7 | 26654 | 26658 | 26652 | 26665 | 26671 | 26659 | 26661 | 26666 | 26632 | 26643 | 26667 | 26662 | 26662 | 26674 | 26660 |
| 8 | 26657 | 26658 | 26657 | 26640 | 26644 | 26660 | 26667 | 26667 | 26628 | 26631 | 26631 | 26679 | 26679 | 26658 | 26665 |
| 9 | 26655 | 26653 | 26647 | 26648 | 26684 | 26682 | 26680 | 26680 | 26670 | 26669 | 26626 | 26668 | 26660 | 26673 | 26669 |
| 10 | 26671 | 26671 | 26665 | 26662 | 26675 | 26677 | 26678 | 26679 | 26658 | 26669 | 26658 | 26667 | 26662 | 26677 | 26667 |
| 11 | 26653 | 26655 | 26648 | 26663 | 26659 | 26661 | 26668 | 26661 | 26670 | 26635 | 26653 | 26664 | 26661 | 26670 | 26665 |
| 12 | 26656 | 26661 | 26650 | 26646 | 26659 | 26674 | 26670 | 26631 | 26667 | 26668 | 26662 | 26664 | 26665 | 26656 | 26660 |
| 13 | 26642 | 26672 | 26640 | 26632 | 26678 | 26675 | 26680 | 26660 | 26666 | 26667 | 26657 | 26631 | 26663 | 26658 | 26663 |
| 14 | 26674 | 26672 | 26660 | 26664 | 26659 | 26677 | 26667 | 26667 | 26665 | 26673 | 26661 | 26665 | 26679 | 26659 | 26660 |
| 15 | 26654 | 26672 | 26667 | 26666 | 26659 | 26659 | 26669 | 26670 | 26629 | 26666 | 26660 | 26662 | 26662 | 26660 | 26660 |
| 16 | 26644 | 26660 | 26643 | 26637 | 26656 | 26673 | 26657 | 26665 | 26666 | 26666 | 26654 | 26664 | 26664 | 26658 | 26667 |
| 17 | 26641 | 26655 | 26643 | 26641 | 26651 | 26670 | 26670 | 26668 | 26667 | 26666 | 26632 | 26665 | 26664 | 26657 | 26665 |
| 18 | 26678 | 26653 | 26645 | 26627 | 26649 | 26680 | 26671 | 26680 | 26672 | 26669 | 26667 | 26662 | 26660 | 26676 | 26671 |
| 19 | 26655 | 26657 | 26666 | 26665 | 26658 | 26660 | 26667 | 26668 | 26670 | 26665 | 26657 | 26664 | 26661 | 26674 | 26669 |
| 20 | 26643 | 26656 | 26643 | 26615 | 26657 | 26657 | 26668 | 26660 | 26669 | 26667 | 26659 | 26666 | 26665 | 26676 | 26661 |
| 21 | 26646 | 26662 | 26641 | 26642 | 26651 | 26678 | 26672 | 26665 | 26667 | 26636 | 26662 | 26667 | 26666 | 26677 | 26667 |
| 22 | 26673 | 26656 | 26635 | 26642 | 26661 | 26658 | 26657 | 26659 | 26658 | 26666 | 26668 | 26663 | 26665 | 26661 | 26668 |
| 23 | 26648 | 26659 | 26635 | 26631 | 26674 | 26658 | 26659 | 26667 | 26670 | 26667 | 26668 | 26667 | 26666 | 26658 | 26665 |
| 25 | 26656 | 26653 | 26645 | 26666 | 26673 | 26664 | 26669 | 26668 | 26671 | 26665 | 26656 | 26661 | 26665 | 26658 | 26662 |
| 30 | 26654 | 26673 | 26650 | 26640 | 26663 | 26677 | 26670 | 26664 | 26664 | 26667 | 26661 | 26666 | 26666 | 26658 | 26667 |
| 40 | 26654 | 26654 | 26643 | 26648 | 26648 | 26675 | 26655 | 26660 | 26658 | 26666 | 26656 | 26665 | 26660 | 26655 | 26665 |
| Iterations | Min. Bytes | Reduction | Coverage |
|---|---|---|---|
| 100 | 26631 bytes | – | 100% |
| 1,000 | 26625 bytes | -6 bytes | 100% |
| 10,000 | 26621 bytes | -4 bytes | 100% |
| 100,000 | 26618 bytes | -3 bytes | 14.20% |
| 1,000,000 | 26615 bytes | -3 bytes | 0.29% |
| 10,000,000 | – | – | – |
| Blocks | Min. Bytes | Compared To Best Zopfli | Compared To Best KZIP |
|---|---|---|---|
| (any) | 26727 bytes | +112 bytes (+0.42%) | – |
| 1 | 26727 bytes | +112 bytes (+0.42%) | – |
| 2 | 26737 bytes | +122 bytes (+0.46%) | +10 bytes |
| 3 | 26733 bytes | +118 bytes (+0.44%) | +6 bytes |
| 4 | 26745 bytes | +130 bytes (+0.49%) | +18 bytes |
| 5 | 26758 bytes | +143 bytes (+0.54%) | +31 bytes |
| 6 | 26788 bytes | +173 bytes (+0.65%) | +61 bytes |
| 7 | 26825 bytes | +210 bytes (+0.79%) | +98 bytes |
| 8 | 26861 bytes | +246 bytes (+0.92%) | +134 bytes |
| Algorithm | Program | Parameters | Size | Compared To Best Zopfli |
|---|---|---|---|---|
| ZPAQ (Wikipedia) | zpaq | zpaq -method 69 | 22200 bytes | -4415 bytes (-16.59%) |
| RAR (proprietary) | RAR | rar a -m5 -md64m -mc63:128t -mt1 | 22784 bytes | -3831 bytes (-14.39%) |
| PPMd (Wikipedia) | 7zip | 7za a -mx=9 -m0=ppmd | 23183 bytes | -3432 bytes (-12.89%) |
| Brotli (Wikipedia) | brotli | brotli -q 11 | 24951 bytes | -1664 bytes (-6.25%) |
| Burrows-Wheeler transform (Wikipedia) | bzip2 | bzip2 -9 | 25527 bytes | -1088 bytes (-4.09%) |
| LZMA2 (Wikipedia) | xz | xz -9 | 25668 bytes | -947 bytes (-3.56%) |
| Zstandard (Wikipedia) | zstd | zstd -19 | 26314 bytes | -301 bytes (-1.13%) |