Boot |
35929 bytes (35.1k)
|
CDN |
Baidu |
31407 bytes (30.7k)
|
CDN |
cdnjs |
31399 bytes (30.7k)
|
CDN |
gzip -6 (default) |
31319 bytes (30.6k)
|
local copy |
gzip -9 |
31275 bytes (30.5k)
|
local copy |
Sina |
31266 bytes (30.5k)
|
CDN |
Yandex |
31260 bytes (30.5k)
|
CDN |
7zip -mx=9 -tgzip |
29869 bytes (29.2k)
|
local copy |
libdeflate -12 |
29852 bytes (29.2k)
|
local copy |
kzip -s0 -rn -b3 |
29841 bytes (29.1k)
|
local copy |
zultra |
29825 bytes (29.1k)
|
local copy |
pigz -11 -n |
29794 bytes (29.1k)
|
local copy |
Zopfli |
29729 bytes (29.0k)
|
local copy |
Zopfli (defluff) |
29728 bytes (29.0k)
|
local copy |
Description | Value | Parameter |
---|---|---|
iterations | 1000000 | --i1000000 |
maximum blocks | 8 | --mb8 |
maximum length score | 512 | --mls512 |
block splitting recursion | 13 | --bsr13 |
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 | 35929 bytes | c943690aa400111757738cb1c91fdfc2 | March 19, 2015 @ 15:32 |
cdnjs | 31399 bytes | c943690aa400111757738cb1c91fdfc2 | February 8, 2015 @ 14:45 |
Sina | 31266 bytes | c943690aa400111757738cb1c91fdfc2 | April 25, 2019 @ 14:07 |
Yandex | 31260 bytes | c943690aa400111757738cb1c91fdfc2 | June 20, 2013 @ 11:59 |
CDN | Size (compressed) | MD5 (uncompressed) | Comment / Diff | Timestamp |
---|---|---|---|---|
Baidu | 31407 bytes | 795619dfe318401eb6ed6e9a4f25053a | only whitespaces differ | January 7, 2015 @ 10:16 |
Size | Improvement | Parameters | Found |
---|---|---|---|
29729 bytes | -2 bytes | zopfli --i1000000 --mls512 --bsr13 --lazy --ohh | February 27, 2020 @ 17:06 |
29731 bytes | -4 bytes | zopfli --i100000 --mls512 --bsr13 --lazy --ohh | December 2, 2015 @ 11:23 |
29735 bytes | -2 bytes | zopfli --i10000 --mls512 --bsr13 --lazy --ohh | October 21, 2015 @ 13:36 |
29737 bytes | -10 bytes | zopfli --i1000 --mls512 --bsr13 --lazy --ohh | September 10, 2015 @ 23:08 |
29747 bytes | – | zopfli --i100 --mls512 --bsr13 --lazy --ohh | September 10, 2015 @ 15:08 |
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 | 29772 | 29796 | 29792 | 29788 | 29784 | 29796 | 29803 | 29806 | 29808 | 29801 | 29808 | 29804 | 29803 | 29809 | 29803 |
4 | 29775 | 29782 | 29780 | 29774 | 29783 | 29793 | 29756 | 29801 | 29801 | 29799 | 29793 | 29798 | 29804 | 29794 | 29806 |
6 | 29774 | 29762 | 29755 | 29796 | 29768 | 29763 | 29742 | 29754 | 29762 | 29799 | 29811 | 29803 | 29745 | 29802 | 29801 |
7 | 29758 | 29774 | 29767 | 29772 | 29763 | 29772 | 29754 | 29752 | 29757 | 29796 | 29791 | 29797 | 29759 | 29800 | 29802 |
8 | 29775 | 29776 | 29777 | 29774 | 29770 | 29772 | 29803 | 29759 | 29758 | 29788 | 29802 | 29800 | 29802 | 29797 | 29801 |
9 | 29763 | 29773 | 29773 | 29772 | 29774 | 29776 | 29797 | 29798 | 29779 | 29787 | 29794 | 29801 | 29791 | 29802 | 29802 |
10 | 29753 | 29752 | 29752 | 29774 | 29764 | 29775 | 29797 | 29748 | 29780 | 29785 | 29784 | 29791 | 29791 | 29794 | 29791 |
11 | 29751 | 29763 | 29760 | 29778 | 29750 | 29767 | 29747 | 29746 | 29753 | 29789 | 29796 | 29799 | 29803 | 29802 | 29795 |
12 | 29776 | 29769 | 29747 | 29764 | 29774 | 29765 | 29798 | 29796 | 29741 | 29785 | 29785 | 29789 | 29793 | 29807 | 29790 |
13 | 29749 | 29759 | 29763 | 29771 | 29768 | 29734 | 29791 | 29750 | 29729 | 29783 | 29786 | 29800 | 29746 | 29802 | 29803 |
14 | 29742 | 29741 | 29740 | 29752 | 29737 | 29749 | 29736 | 29748 | 29760 | 29783 | 29785 | 29799 | 29789 | 29803 | 29804 |
15 | 29765 | 29756 | 29769 | 29764 | 29762 | 29761 | 29737 | 29783 | 29734 | 29788 | 29785 | 29796 | 29791 | 29802 | 29801 |
16 | 29748 | 29755 | 29758 | 29743 | 29774 | 29762 | 29786 | 29753 | 29759 | 29798 | 29784 | 29797 | 29802 | 29803 | 29802 |
17 | 29760 | 29754 | 29766 | 29781 | 29772 | 29748 | 29803 | 29750 | 29753 | 29797 | 29792 | 29799 | 29796 | 29801 | 29801 |
18 | 29743 | 29759 | 29774 | 29743 | 29748 | 29753 | 29796 | 29752 | 29765 | 29796 | 29792 | 29801 | 29807 | 29801 | 29801 |
19 | 29755 | 29777 | 29761 | 29749 | 29770 | 29743 | 29798 | 29752 | 29757 | 29795 | 29794 | 29797 | 29791 | 29802 | 29802 |
20 | 29773 | 29771 | 29757 | 29773 | 29771 | 29771 | 29804 | 29755 | 29757 | 29810 | 29747 | 29788 | 29791 | 29791 | 29802 |
21 | 29750 | 29768 | 29777 | 29770 | 29776 | 29747 | 29797 | 29752 | 29763 | 29784 | 29736 | 29798 | 29794 | 29797 | 29792 |
22 | 29763 | 29754 | 29785 | 29773 | 29767 | 29769 | 29797 | 29752 | 29764 | 29782 | 29790 | 29800 | 29793 | 29793 | 29802 |
23 | 29774 | 29770 | 29750 | 29751 | 29772 | 29770 | 29771 | 29750 | 29760 | 29788 | 29785 | 29801 | 29793 | 29802 | 29792 |
25 | 29734 | 29767 | 29755 | 29768 | 29768 | 29744 | 29784 | 29754 | 29742 | 29782 | 29792 | 29791 | 29745 | 29801 | 29802 |
30 | 29735 | 29759 | 29772 | 29764 | 29768 | 29760 | 29791 | 29745 | 29741 | 29788 | 29784 | 29799 | 29743 | 29801 | 29801 |
40 | 29763 | 29770 | 29781 | 29785 | 29763 | 29760 | 29753 | 29753 | 29742 | 29783 | 29782 | 29788 | 29805 | 29794 | 29802 |
Iterations | Min. Bytes | Reduction | Coverage |
---|---|---|---|
100 | 29747 bytes | – | 100% |
1,000 | 29737 bytes | -10 bytes | 100% |
10,000 | 29735 bytes | -2 bytes | 100% |
100,000 | 29731 bytes | -4 bytes | 2.90% |
1,000,000 | 29729 bytes | -2 bytes | 0.29% |
10,000,000 | – | – | – |
Blocks | Min. Bytes | Compared To Best Zopfli | Compared To Best KZIP |
---|---|---|---|
(any) | 29844 bytes | +115 bytes (+0.39%) | +3 bytes |
1 | 29850 bytes | +121 bytes (+0.41%) | +9 bytes |
2 | 29884 bytes | +155 bytes (+0.52%) | +43 bytes |
3 | 29841 bytes | +112 bytes (+0.38%) | – |
4 | 29880 bytes | +151 bytes (+0.51%) | +39 bytes |
5 | 29872 bytes | +143 bytes (+0.48%) | +31 bytes |
6 | 29881 bytes | +152 bytes (+0.51%) | +40 bytes |
7 | 29867 bytes | +138 bytes (+0.46%) | +26 bytes |
8 | 29903 bytes | +174 bytes (+0.59%) | +62 bytes |
Algorithm | Program | Parameters | Size | Compared To Best Zopfli |
---|---|---|---|---|
ZPAQ (Wikipedia) | zpaq | zpaq -method 69 | 23452 bytes | -6277 bytes (-21.11%) |
RAR (proprietary) | RAR | rar a -m5 -md64m -mc63:128t -mt1 | 26381 bytes | -3348 bytes (-11.26%) |
PPMd (Wikipedia) | 7zip | 7za a -mx=9 -m0=ppmd | 27386 bytes | -2343 bytes (-7.88%) |
Brotli (Wikipedia) | brotli | brotli -q 11 | 27459 bytes | -2270 bytes (-7.64%) |
LZMA2 (Wikipedia) | xz | xz -9 | 28404 bytes | -1325 bytes (-4.46%) |
Zstandard (Wikipedia) | zstd | zstd -19 | 29190 bytes | -539 bytes (-1.81%) |
Burrows-Wheeler transform (Wikipedia) | bzip2 | bzip2 -9 | 29256 bytes | -473 bytes (-1.59%) |