Boot |
61849 bytes (60.4k)
|
CDN |
Baidu |
53676 bytes (52.4k)
|
CDN |
cdnjs |
53669 bytes (52.4k)
|
CDN |
gzip -6 (default) |
53420 bytes (52.2k)
|
local copy |
gzip -9 |
53368 bytes (52.1k)
|
local copy |
libdeflate -12 |
50920 bytes (49.7k)
|
local copy |
7zip -mx=9 -tgzip |
50860 bytes (49.7k)
|
local copy |
kzip -s0 -rn -b1 |
50775 bytes (49.6k)
|
local copy |
zultra |
50770 bytes (49.6k)
|
local copy |
pigz -11 -n |
50766 bytes (49.6k)
|
local copy |
Zopfli |
50599 bytes (49.4k)
|
local copy |
Zopfli (defluff) |
50598 bytes (49.4k)
|
local copy |
Description | Value | Parameter |
---|---|---|
iterations | 1000000 | --i1000000 |
maximum blocks | 8 | --mb8 |
maximum length score | 4 | --mls4 |
block splitting recursion | 4 | --bsr4 |
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 | 61849 bytes | d3612e2d044837669c9660fe3299185c | March 19, 2015 @ 15:37 |
cdnjs | 53669 bytes | d3612e2d044837669c9660fe3299185c | January 13, 2014 @ 19:17 |
CDN | Size (compressed) | MD5 (uncompressed) | Comment / Diff | Timestamp |
---|---|---|---|---|
Baidu | 53676 bytes | be1ea434ca345e496254cd14c3c83464 | only whitespaces differ | January 7, 2015 @ 10:16 |
Size | Improvement | Parameters | Found |
---|---|---|---|
50599 bytes | -1 byte | zopfli --i1000000 --mls4 --bsr4 --lazy --ohh | February 25, 2020 @ 18:25 |
50600 bytes | -8 bytes | zopfli --i100000 --mls4 --bsr4 --lazy --ohh | December 3, 2015 @ 14:01 |
50608 bytes | -4 bytes | zopfli --i10000 --mls4 --bsr4 --lazy --ohh | October 21, 2015 @ 13:40 |
50612 bytes | -4 bytes | zopfli --i1000 --mls4 --bsr4 --lazy --ohh | September 21, 2015 @ 22:10 |
50616 bytes | – | zopfli --i100 --mls4 --bsr4 --lazy --ohh | September 21, 2015 @ 13:21 |
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 | 50647 | 50643 | 50675 | 50676 | 50676 | 50676 | 50676 | 50674 | 50699 | 50681 | 50670 | 50678 | 50709 | 50714 | 50674 |
4 | 50644 | 50599 | 50638 | 50671 | 50676 | 50681 | 50675 | 50679 | 50682 | 50685 | 50695 | 50671 | 50699 | 50680 | 50678 |
6 | 50650 | 50646 | 50631 | 50672 | 50677 | 50684 | 50674 | 50680 | 50684 | 50697 | 50692 | 50684 | 50696 | 50704 | 50674 |
7 | 50660 | 50630 | 50625 | 50638 | 50673 | 50671 | 50684 | 50681 | 50700 | 50688 | 50690 | 50686 | 50706 | 50676 | 50699 |
8 | 50661 | 50628 | 50633 | 50669 | 50685 | 50681 | 50679 | 50683 | 50689 | 50698 | 50696 | 50684 | 50693 | 50674 | 50690 |
9 | 50663 | 50636 | 50628 | 50668 | 50672 | 50677 | 50676 | 50679 | 50673 | 50670 | 50680 | 50696 | 50698 | 50688 | 50678 |
10 | 50624 | 50654 | 50627 | 50669 | 50671 | 50681 | 50681 | 50678 | 50672 | 50674 | 50687 | 50685 | 50695 | 50678 | 50679 |
11 | 50637 | 50628 | 50635 | 50700 | 50693 | 50681 | 50679 | 50679 | 50696 | 50670 | 50689 | 50682 | 50692 | 50681 | 50685 |
12 | 50634 | 50636 | 50629 | 50668 | 50672 | 50680 | 50680 | 50675 | 50702 | 50674 | 50691 | 50685 | 50697 | 50670 | 50691 |
13 | 50677 | 50667 | 50649 | 50668 | 50670 | 50680 | 50681 | 50677 | 50687 | 50677 | 50694 | 50686 | 50694 | 50681 | 50677 |
14 | 50649 | 50669 | 50636 | 50669 | 50697 | 50670 | 50678 | 50677 | 50677 | 50674 | 50695 | 50686 | 50693 | 50683 | 50677 |
15 | 50630 | 50625 | 50622 | 50645 | 50670 | 50671 | 50681 | 50681 | 50699 | 50693 | 50692 | 50684 | 50696 | 50678 | 50670 |
16 | 50709 | 50671 | 50632 | 50639 | 50670 | 50679 | 50687 | 50676 | 50695 | 50674 | 50695 | 50684 | 50696 | 50682 | 50687 |
17 | 50626 | 50625 | 50629 | 50672 | 50668 | 50670 | 50678 | 50687 | 50683 | 50685 | 50696 | 50682 | 50694 | 50677 | 50686 |
18 | 50631 | 50634 | 50620 | 50671 | 50672 | 50670 | 50680 | 50679 | 50672 | 50692 | 50695 | 50687 | 50698 | 50682 | 50686 |
19 | 50626 | 50673 | 50627 | 50671 | 50671 | 50671 | 50682 | 50678 | 50675 | 50683 | 50689 | 50682 | 50695 | 50681 | 50696 |
20 | 50636 | 50640 | 50628 | 50671 | 50669 | 50680 | 50687 | 50675 | 50674 | 50674 | 50696 | 50685 | 50695 | 50676 | 50678 |
21 | 50659 | 50626 | 50633 | 50671 | 50675 | 50670 | 50677 | 50680 | 50695 | 50687 | 50694 | 50685 | 50697 | 50674 | 50678 |
22 | 50634 | 50658 | 50631 | 50671 | 50670 | 50681 | 50680 | 50679 | 50694 | 50692 | 50695 | 50684 | 50695 | 50699 | 50679 |
23 | 50661 | 50664 | 50633 | 50670 | 50675 | 50683 | 50682 | 50673 | 50697 | 50694 | 50673 | 50685 | 50695 | 50668 | 50677 |
25 | 50666 | 50638 | 50633 | 50670 | 50671 | 50680 | 50687 | 50677 | 50673 | 50684 | 50695 | 50691 | 50699 | 50682 | 50677 |
30 | 50644 | 50627 | 50629 | 50669 | 50671 | 50680 | 50681 | 50678 | 50695 | 50677 | 50694 | 50693 | 50701 | 50672 | 50678 |
40 | 50635 | 50632 | 50629 | 50668 | 50673 | 50680 | 50680 | 50675 | 50685 | 50674 | 50694 | 50696 | 50696 | 50682 | 50678 |
Iterations | Min. Bytes | Reduction | Coverage |
---|---|---|---|
100 | 50616 bytes | – | 100% |
1,000 | 50612 bytes | -4 bytes | 100% |
10,000 | 50608 bytes | -4 bytes | 100% |
100,000 | 50600 bytes | -8 bytes | 0.87% |
1,000,000 | 50599 bytes | -1 byte | 0.29% |
10,000,000 | – | – | – |
Blocks | Min. Bytes | Compared To Best Zopfli | Compared To Best KZIP |
---|---|---|---|
(any) | 50827 bytes | +228 bytes (+0.45%) | +52 bytes |
1 | 50775 bytes | +176 bytes (+0.35%) | – |
2 | 50794 bytes | +195 bytes (+0.39%) | +19 bytes |
3 | 50824 bytes | +225 bytes (+0.44%) | +49 bytes |
4 | 50865 bytes | +266 bytes (+0.53%) | +90 bytes |
5 | 50879 bytes | +280 bytes (+0.55%) | +104 bytes |
6 | 50871 bytes | +272 bytes (+0.54%) | +96 bytes |
7 | 50872 bytes | +273 bytes (+0.54%) | +97 bytes |
8 | 50861 bytes | +262 bytes (+0.52%) | +86 bytes |
Algorithm | Program | Parameters | Size | Compared To Best Zopfli |
---|---|---|---|---|
ZPAQ (Wikipedia) | zpaq | zpaq -method 69 | 37290 bytes | -13309 bytes (-26.30%) |
RAR (proprietary) | RAR | rar a -m5 -md64m -mc63:128t -mt1 | 44145 bytes | -6454 bytes (-12.76%) |
PPMd (Wikipedia) | 7zip | 7za a -mx=9 -m0=ppmd | 45441 bytes | -5158 bytes (-10.19%) |
Brotli (Wikipedia) | brotli | brotli -q 11 | 46519 bytes | -4080 bytes (-8.06%) |
LZMA2 (Wikipedia) | xz | xz -9 | 47636 bytes | -2963 bytes (-5.86%) |
Zstandard (Wikipedia) | zstd | zstd -19 | 49088 bytes | -1511 bytes (-2.99%) |
Burrows-Wheeler transform (Wikipedia) | bzip2 | bzip2 -9 | 49112 bytes | -1487 bytes (-2.94%) |