Boot |
62006 bytes (60.6k)
|
CDN |
Baidu |
53788 bytes (52.5k)
|
CDN |
cdnjs |
53781 bytes (52.5k)
|
CDN |
gzip -6 (default) |
53543 bytes (52.3k)
|
local copy |
Sina |
53511 bytes (52.3k)
|
CDN |
gzip -9 |
53478 bytes (52.2k)
|
local copy |
jsdelivr |
53459 bytes (52.2k)
|
CDN |
libdeflate -12 |
51008 bytes (49.8k)
|
local copy |
7zip -mx=9 -tgzip |
50943 bytes (49.7k)
|
local copy |
kzip -s0 -rn -b1 |
50869 bytes (49.7k)
|
local copy |
pigz -11 -n |
50864 bytes (49.7k)
|
local copy |
zultra |
50850 bytes (49.7k)
|
local copy |
Zopfli |
50714 bytes (49.5k)
|
local copy |
Zopfli (defluff) |
50713 bytes (49.5k)
|
local copy |
Description | Value | Parameter |
---|---|---|
iterations | 1000000 | --i1000000 |
maximum blocks | 8 | --mb8 |
maximum length score | 8 | --mls8 |
block splitting recursion | 12 | --bsr12 |
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 | 62006 bytes | 8ccabd6905914220d1b4e0ae0a046ce6 | March 19, 2015 @ 15:38 |
cdnjs | 53781 bytes | 8ccabd6905914220d1b4e0ae0a046ce6 | February 8, 2015 @ 14:45 |
Sina | 53511 bytes | 8ccabd6905914220d1b4e0ae0a046ce6 | April 25, 2019 @ 14:07 |
jsdelivr | 53459 bytes | 8ccabd6905914220d1b4e0ae0a046ce6 | August 7, 2014 @ 19:16 |
CDN | Size (compressed) | MD5 (uncompressed) | Comment / Diff | Timestamp |
---|---|---|---|---|
Baidu | 53788 bytes | c7bb63f91f8f85b7831a046cb8458b7f | only whitespaces differ | January 7, 2015 @ 10:16 |
Size | Improvement | Parameters | Found |
---|---|---|---|
50714 bytes | -6 bytes | zopfli --i1000000 --mls8 --bsr12 --lazy --ohh | February 25, 2020 @ 19:38 |
50720 bytes | -5 bytes | zopfli --i100000 --mls8 --bsr12 --lazy --ohh | December 3, 2015 @ 11:05 |
50725 bytes | -4 bytes | zopfli --i10000 --mls8 --bsr12 --lazy --ohh | October 21, 2015 @ 13:41 |
50729 bytes | -7 bytes | zopfli --i1000 --mls8 --bsr12 --lazy --ohh | September 19, 2015 @ 14:44 |
50736 bytes | – | zopfli --i100 --mls8 --bsr12 --lazy --ohh | September 18, 2015 @ 16:16 |
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 | 50767 | 50766 | 50768 | 50769 | 50770 | 50766 | 50767 | 50775 | 50769 | 50772 | 50770 | 50790 | 50801 | 50786 | 50764 |
4 | 50774 | 50767 | 50767 | 50762 | 50770 | 50773 | 50775 | 50770 | 50775 | 50765 | 50768 | 50789 | 50772 | 50772 | 50772 |
6 | 50765 | 50767 | 50765 | 50764 | 50779 | 50774 | 50766 | 50772 | 50777 | 50784 | 50791 | 50787 | 50793 | 50794 | 50766 |
7 | 50762 | 50775 | 50762 | 50770 | 50761 | 50763 | 50771 | 50772 | 50786 | 50767 | 50768 | 50792 | 50797 | 50767 | 50770 |
8 | 50764 | 50764 | 50768 | 50786 | 50763 | 50771 | 50771 | 50775 | 50782 | 50792 | 50779 | 50776 | 50786 | 50780 | 50769 |
9 | 50764 | 50771 | 50764 | 50764 | 50784 | 50770 | 50770 | 50776 | 50764 | 50762 | 50764 | 50785 | 50786 | 50782 | 50769 |
10 | 50761 | 50765 | 50765 | 50791 | 50765 | 50771 | 50771 | 50773 | 50766 | 50766 | 50777 | 50787 | 50791 | 50773 | 50769 |
11 | 50763 | 50764 | 50777 | 50762 | 50783 | 50774 | 50771 | 50770 | 50780 | 50769 | 50767 | 50785 | 50775 | 50766 | 50769 |
12 | 50762 | 50765 | 50714 | 50762 | 50788 | 50774 | 50771 | 50773 | 50768 | 50755 | 50772 | 50785 | 50790 | 50762 | 50769 |
13 | 50772 | 50766 | 50768 | 50760 | 50763 | 50772 | 50771 | 50770 | 50767 | 50766 | 50776 | 50786 | 50783 | 50780 | 50769 |
14 | 50761 | 50764 | 50788 | 50760 | 50783 | 50772 | 50776 | 50772 | 50769 | 50765 | 50767 | 50780 | 50783 | 50775 | 50769 |
15 | 50766 | 50762 | 50763 | 50788 | 50763 | 50764 | 50771 | 50773 | 50781 | 50763 | 50763 | 50786 | 50787 | 50773 | 50769 |
16 | 50763 | 50762 | 50763 | 50784 | 50763 | 50782 | 50776 | 50769 | 50766 | 50763 | 50766 | 50785 | 50792 | 50775 | 50769 |
17 | 50763 | 50765 | 50767 | 50770 | 50762 | 50771 | 50769 | 50780 | 50766 | 50763 | 50766 | 50785 | 50789 | 50769 | 50769 |
18 | 50763 | 50762 | 50767 | 50765 | 50770 | 50763 | 50771 | 50771 | 50765 | 50772 | 50766 | 50787 | 50791 | 50774 | 50769 |
19 | 50764 | 50766 | 50764 | 50769 | 50783 | 50781 | 50773 | 50769 | 50767 | 50762 | 50766 | 50787 | 50786 | 50772 | 50762 |
20 | 50763 | 50765 | 50764 | 50764 | 50763 | 50763 | 50775 | 50766 | 50767 | 50770 | 50777 | 50785 | 50786 | 50767 | 50769 |
21 | 50761 | 50765 | 50764 | 50764 | 50763 | 50764 | 50769 | 50772 | 50770 | 50785 | 50779 | 50785 | 50790 | 50767 | 50769 |
22 | 50762 | 50765 | 50767 | 50764 | 50786 | 50772 | 50770 | 50771 | 50770 | 50771 | 50776 | 50787 | 50786 | 50782 | 50769 |
23 | 50763 | 50764 | 50767 | 50769 | 50765 | 50771 | 50771 | 50772 | 50770 | 50767 | 50776 | 50785 | 50789 | 50761 | 50769 |
25 | 50770 | 50763 | 50767 | 50789 | 50763 | 50771 | 50770 | 50769 | 50770 | 50764 | 50767 | 50785 | 50788 | 50781 | 50770 |
30 | 50763 | 50764 | 50768 | 50761 | 50781 | 50769 | 50764 | 50770 | 50766 | 50784 | 50766 | 50786 | 50790 | 50769 | 50769 |
40 | 50761 | 50764 | 50764 | 50761 | 50763 | 50763 | 50771 | 50770 | 50767 | 50766 | 50767 | 50787 | 50786 | 50777 | 50769 |
Iterations | Min. Bytes | Reduction | Coverage |
---|---|---|---|
100 | 50736 bytes | – | 100% |
1,000 | 50729 bytes | -7 bytes | 100% |
10,000 | 50725 bytes | -4 bytes | 100% |
100,000 | 50720 bytes | -5 bytes | 0.58% |
1,000,000 | 50714 bytes | -6 bytes | 0.29% |
10,000,000 | – | – | – |
Blocks | Min. Bytes | Compared To Best Zopfli | Compared To Best KZIP |
---|---|---|---|
(any) | 50908 bytes | +194 bytes (+0.38%) | +39 bytes |
1 | 50869 bytes | +155 bytes (+0.31%) | – |
2 | 50887 bytes | +173 bytes (+0.34%) | +18 bytes |
3 | 50916 bytes | +202 bytes (+0.40%) | +47 bytes |
4 | 50956 bytes | +242 bytes (+0.48%) | +87 bytes |
5 | 50986 bytes | +272 bytes (+0.54%) | +117 bytes |
6 | 50995 bytes | +281 bytes (+0.55%) | +126 bytes |
7 | 51015 bytes | +301 bytes (+0.59%) | +146 bytes |
8 | 51014 bytes | +300 bytes (+0.59%) | +145 bytes |
Algorithm | Program | Parameters | Size | Compared To Best Zopfli |
---|---|---|---|---|
ZPAQ (Wikipedia) | zpaq | zpaq -method 69 | 37341 bytes | -13373 bytes (-26.37%) |
RAR (proprietary) | RAR | rar a -m5 -md64m -mc63:128t -mt1 | 44198 bytes | -6516 bytes (-12.85%) |
PPMd (Wikipedia) | 7zip | 7za a -mx=9 -m0=ppmd | 45482 bytes | -5232 bytes (-10.32%) |
Brotli (Wikipedia) | brotli | brotli -q 11 | 46641 bytes | -4073 bytes (-8.03%) |
LZMA2 (Wikipedia) | xz | xz -9 | 47732 bytes | -2982 bytes (-5.88%) |
Burrows-Wheeler transform (Wikipedia) | bzip2 | bzip2 -9 | 49053 bytes | -1661 bytes (-3.28%) |
Zstandard (Wikipedia) | zstd | zstd -19 | 49182 bytes | -1532 bytes (-3.02%) |