Boot |
35014 bytes (34.2k)
|
CDN |
Baidu |
30529 bytes (29.8k)
|
CDN |
cdnjs |
30517 bytes (29.8k)
|
CDN |
gzip -6 (default) |
30420 bytes (29.7k)
|
local copy |
gzip -9 |
30382 bytes (29.7k)
|
local copy |
Sina |
30370 bytes (29.7k)
|
CDN |
Yandex |
30367 bytes (29.7k)
|
CDN |
libdeflate -12 |
29062 bytes (28.4k)
|
local copy |
7zip -mx=9 -tgzip |
29020 bytes (28.3k)
|
local copy |
kzip -s0 -rn -b0 |
29001 bytes (28.3k)
|
local copy |
zultra |
28968 bytes (28.3k)
|
local copy |
pigz -11 -n |
28933 bytes (28.3k)
|
local copy |
Zopfli |
28860 bytes (28.2k)
|
local copy |
Description | Value | Parameter |
---|---|---|
iterations | 1000000 | --i1000000 |
maximum blocks | 8 | --mb8 |
maximum length score | 16 | --mls16 |
block splitting recursion | 22 | --bsr22 |
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 | 35014 bytes | 8f2918241b7c6c7530956d8ed74537a7 | March 19, 2015 @ 15:30 |
cdnjs | 30517 bytes | 8f2918241b7c6c7530956d8ed74537a7 | February 8, 2015 @ 14:45 |
Sina | 30370 bytes | 8f2918241b7c6c7530956d8ed74537a7 | April 25, 2019 @ 14:07 |
Yandex | 30367 bytes | 8f2918241b7c6c7530956d8ed74537a7 | June 20, 2013 @ 11:59 |
CDN | Size (compressed) | MD5 (uncompressed) | Comment / Diff | Timestamp |
---|---|---|---|---|
Baidu | 30529 bytes | affef347e2bc428b8e2c3a297b3c1014 | only whitespaces differ | January 7, 2015 @ 10:16 |
Size | Improvement | Parameters | Found |
---|---|---|---|
28860 bytes | -2 bytes | zopfli --i1000000 --mls16 --bsr22 --lazy --ohh | February 29, 2020 @ 14:41 |
28862 bytes | -2 bytes | zopfli --i100000 --mls16 --bsr22 --lazy --ohh | December 1, 2015 @ 15:08 |
28864 bytes | -6 bytes | zopfli --i10000 --mls16 --bsr22 --lazy --ohh | November 22, 2015 @ 22:10 |
28870 bytes | -7 bytes | zopfli --i1000 --mls16 --bsr22 --lazy --ohh | September 22, 2015 @ 05:00 |
28877 bytes | – | zopfli --i100 --mls16 --bsr22 --lazy --ohh | September 21, 2015 @ 11:54 |
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 | 28931 | 28940 | 28945 | 28945 | 28939 | 28964 | 28952 | 28951 | 28958 | 28955 | 28955 | 28907 | 28964 | 28953 | 28952 |
4 | 28919 | 28941 | 28913 | 28944 | 28920 | 28910 | 28903 | 28922 | 28924 | 28921 | 28909 | 28954 | 28952 | 28955 | 28958 |
6 | 28915 | 28914 | 28914 | 28913 | 28920 | 28909 | 28922 | 28912 | 28928 | 28917 | 28920 | 28957 | 28966 | 28954 | 28954 |
7 | 28917 | 28933 | 28931 | 28916 | 28916 | 28916 | 28925 | 28916 | 28944 | 28947 | 28944 | 28956 | 28953 | 28953 | 28949 |
8 | 28939 | 28907 | 28930 | 28912 | 28923 | 28921 | 28912 | 28921 | 28929 | 28917 | 28917 | 28900 | 28954 | 28952 | 28952 |
9 | 28933 | 28920 | 28917 | 28924 | 28921 | 28913 | 28926 | 28903 | 28918 | 28925 | 28927 | 28953 | 28910 | 28947 | 28949 |
10 | 28920 | 28936 | 28921 | 28924 | 28906 | 28905 | 28923 | 28938 | 28913 | 28950 | 28911 | 28953 | 28909 | 28954 | 28950 |
11 | 28922 | 28931 | 28914 | 28902 | 28919 | 28914 | 28905 | 28914 | 28923 | 28948 | 28916 | 28948 | 28895 | 28945 | 28950 |
12 | 28922 | 28911 | 28917 | 28925 | 28911 | 28911 | 28915 | 28923 | 28919 | 28904 | 28923 | 28942 | 28952 | 28949 | 28954 |
13 | 28918 | 28907 | 28913 | 28901 | 28902 | 28911 | 28904 | 28919 | 28922 | 28945 | 28914 | 28881 | 28948 | 28946 | 28946 |
14 | 28919 | 28905 | 28901 | 28904 | 28911 | 28904 | 28907 | 28917 | 28925 | 28909 | 28916 | 28954 | 28897 | 28949 | 28950 |
15 | 28916 | 28905 | 28910 | 28910 | 28908 | 28908 | 28912 | 28915 | 28921 | 28903 | 28919 | 28955 | 28898 | 28951 | 28951 |
16 | 28908 | 28908 | 28899 | 28909 | 28918 | 28906 | 28909 | 28920 | 28908 | 28915 | 28898 | 28948 | 28961 | 28954 | 28951 |
17 | 28925 | 28913 | 28893 | 28911 | 28920 | 28904 | 28914 | 28913 | 28932 | 28910 | 28920 | 28947 | 28924 | 28952 | 28952 |
18 | 28930 | 28892 | 28896 | 28913 | 28882 | 28923 | 28918 | 28925 | 28939 | 28911 | 28917 | 28948 | 28949 | 28950 | 28950 |
19 | 28928 | 28920 | 28927 | 28908 | 28905 | 28921 | 28914 | 28905 | 28944 | 28923 | 28950 | 28949 | 28935 | 28951 | 28951 |
20 | 28889 | 28892 | 28896 | 28889 | 28896 | 28925 | 28915 | 28921 | 28908 | 28953 | 28922 | 28949 | 28891 | 28956 | 28947 |
21 | 28921 | 28910 | 28909 | 28910 | 28918 | 28894 | 28913 | 28906 | 28918 | 28911 | 28921 | 28946 | 28934 | 28952 | 28956 |
22 | 28891 | 28892 | 28926 | 28860 | 28907 | 28921 | 28917 | 28922 | 28911 | 28926 | 28912 | 28955 | 28900 | 28955 | 28953 |
23 | 28920 | 28905 | 28906 | 28903 | 28905 | 28910 | 28914 | 28914 | 28912 | 28906 | 28923 | 28955 | 28899 | 28945 | 28946 |
25 | 28917 | 28901 | 28934 | 28907 | 28908 | 28912 | 28914 | 28923 | 28920 | 28904 | 28908 | 28895 | 28896 | 28951 | 28951 |
30 | 28916 | 28927 | 28914 | 28905 | 28905 | 28914 | 28915 | 28930 | 28920 | 28906 | 28916 | 28948 | 28893 | 28954 | 28946 |
40 | 28918 | 28906 | 28930 | 28910 | 28906 | 28911 | 28913 | 28923 | 28931 | 28904 | 28916 | 28957 | 28964 | 28952 | 28952 |
Iterations | Min. Bytes | Reduction | Coverage |
---|---|---|---|
100 | 28877 bytes | – | 100% |
1,000 | 28870 bytes | -7 bytes | 100% |
10,000 | 28864 bytes | -6 bytes | 100% |
100,000 | 28862 bytes | -2 bytes | 1.16% |
1,000,000 | 28860 bytes | -2 bytes | 0.29% |
10,000,000 | – | – | – |
Blocks | Min. Bytes | Compared To Best Zopfli | Compared To Best KZIP |
---|---|---|---|
(any) | 29001 bytes | +141 bytes (+0.49%) | – |
1 | 29008 bytes | +148 bytes (+0.51%) | +7 bytes |
2 | 29045 bytes | +185 bytes (+0.64%) | +44 bytes |
3 | 29016 bytes | +156 bytes (+0.54%) | +15 bytes |
4 | 29038 bytes | +178 bytes (+0.62%) | +37 bytes |
5 | 29028 bytes | +168 bytes (+0.58%) | +27 bytes |
6 | 29022 bytes | +162 bytes (+0.56%) | +21 bytes |
7 | 29028 bytes | +168 bytes (+0.58%) | +27 bytes |
8 | 29071 bytes | +211 bytes (+0.73%) | +70 bytes |
Algorithm | Program | Parameters | Size | Compared To Best Zopfli |
---|---|---|---|---|
ZPAQ (Wikipedia) | zpaq | zpaq -method 69 | 22984 bytes | -5876 bytes (-20.36%) |
RAR (proprietary) | RAR | rar a -m5 -md64m -mc63:128t -mt1 | 25764 bytes | -3096 bytes (-10.73%) |
PPMd (Wikipedia) | 7zip | 7za a -mx=9 -m0=ppmd | 26620 bytes | -2240 bytes (-7.76%) |
Brotli (Wikipedia) | brotli | brotli -q 11 | 26825 bytes | -2035 bytes (-7.05%) |
LZMA2 (Wikipedia) | xz | xz -9 | 27704 bytes | -1156 bytes (-4.01%) |
Zstandard (Wikipedia) | zstd | zstd -19 | 28459 bytes | -401 bytes (-1.39%) |
Burrows-Wheeler transform (Wikipedia) | bzip2 | bzip2 -9 | 28576 bytes | -284 bytes (-0.98%) |