Boot |
35016 bytes (34.2k)
|
CDN |
Baidu |
30529 bytes (29.8k)
|
CDN |
cdnjs |
30520 bytes (29.8k)
|
CDN |
gzip -6 (default) |
30422 bytes (29.7k)
|
local copy |
gzip -9 |
30384 bytes (29.7k)
|
local copy |
Sina |
30372 bytes (29.7k)
|
CDN |
libdeflate -12 |
29065 bytes (28.4k)
|
local copy |
7zip -mx=9 -tgzip |
29023 bytes (28.3k)
|
local copy |
kzip -s0 -rn -b1 |
29012 bytes (28.3k)
|
local copy |
zultra |
28972 bytes (28.3k)
|
local copy |
pigz -11 -n |
28953 bytes (28.3k)
|
local copy |
Zopfli |
28869 bytes (28.2k)
|
local copy |
Zopfli (defluff) |
28868 bytes (28.2k)
|
local copy |
Description | Value | Parameter |
---|---|---|
iterations | 100000 | --i100000 |
maximum blocks | 8 | --mb8 |
maximum length score | 64 | --mls64 |
block splitting recursion | 30 | --bsr30 |
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 | 35016 bytes | 52547c83649d153a0b2be9149195fbeb | March 19, 2015 @ 15:30 |
cdnjs | 30520 bytes | 52547c83649d153a0b2be9149195fbeb | February 8, 2015 @ 14:45 |
Sina | 30372 bytes | 52547c83649d153a0b2be9149195fbeb | April 25, 2019 @ 14:07 |
CDN | Size (compressed) | MD5 (uncompressed) | Comment / Diff | Timestamp |
---|---|---|---|---|
Baidu | 30529 bytes | 6b66b2b71e2c145b141d52061c6396cb | only whitespaces differ | January 7, 2015 @ 10:16 |
Size | Improvement | Parameters | Found |
---|---|---|---|
28869 bytes | -4 bytes | zopfli --i100000 --mls64 --bsr30 --lazy --ohh | December 1, 2015 @ 15:06 |
28873 bytes | -4 bytes | zopfli --i10000 --mls64 --bsr30 --lazy --ohh | September 24, 2015 @ 11:49 |
28877 bytes | -9 bytes | zopfli --i1000 --mls64 --bsr30 --lazy --ohh | September 24, 2015 @ 11:46 |
28886 bytes | – | zopfli --i100 --mls64 --bsr30 --lazy --ohh | September 24, 2015 @ 11:09 |
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 | 28938 | 28937 | 28950 | 28948 | 28942 | 28969 | 28954 | 28953 | 28960 | 28959 | 28959 | 28954 | 28968 | 28953 | 28954 |
4 | 28924 | 28950 | 28938 | 28942 | 28921 | 28912 | 28921 | 28930 | 28937 | 28938 | 28942 | 28958 | 28955 | 28959 | 28952 |
6 | 28916 | 28922 | 28916 | 28920 | 28926 | 28913 | 28922 | 28945 | 28934 | 28957 | 28934 | 28960 | 28969 | 28958 | 28954 |
7 | 28923 | 28924 | 28933 | 28931 | 28943 | 28925 | 28917 | 28922 | 28944 | 28921 | 28926 | 28960 | 28959 | 28957 | 28956 |
8 | 28920 | 28922 | 28914 | 28928 | 28923 | 28925 | 28919 | 28923 | 28925 | 28920 | 28920 | 28921 | 28956 | 28957 | 28953 |
9 | 28933 | 28924 | 28920 | 28918 | 28929 | 28915 | 28917 | 28909 | 28942 | 28955 | 28929 | 28952 | 28938 | 28956 | 28949 |
10 | 28925 | 28914 | 28922 | 28924 | 28919 | 28928 | 28917 | 28916 | 28933 | 28959 | 28934 | 28950 | 28952 | 28960 | 28953 |
11 | 28925 | 28917 | 28913 | 28919 | 28938 | 28921 | 28916 | 28915 | 28920 | 28912 | 28931 | 28952 | 28959 | 28957 | 28953 |
12 | 28919 | 28915 | 28918 | 28926 | 28917 | 28910 | 28918 | 28920 | 28926 | 28920 | 28928 | 28950 | 28956 | 28950 | 28953 |
13 | 28914 | 28910 | 28916 | 28913 | 28905 | 28915 | 28921 | 28920 | 28921 | 28947 | 28892 | 28895 | 28955 | 28952 | 28950 |
14 | 28906 | 28909 | 28905 | 28911 | 28909 | 28922 | 28914 | 28919 | 28925 | 28952 | 28945 | 28950 | 28900 | 28957 | 28956 |
15 | 28902 | 28914 | 28937 | 28917 | 28909 | 28909 | 28915 | 28923 | 28920 | 28905 | 28942 | 28959 | 28957 | 28958 | 28962 |
16 | 28910 | 28904 | 28906 | 28911 | 28920 | 28912 | 28923 | 28907 | 28924 | 28908 | 28929 | 28950 | 28940 | 28957 | 28957 |
17 | 28911 | 28928 | 28909 | 28907 | 28925 | 28917 | 28917 | 28923 | 28928 | 28915 | 28922 | 28949 | 28957 | 28956 | 28956 |
18 | 28918 | 28894 | 28896 | 28923 | 28909 | 28914 | 28920 | 28912 | 28927 | 28911 | 28939 | 28950 | 28896 | 28957 | 28960 |
19 | 28918 | 28916 | 28928 | 28918 | 28910 | 28929 | 28926 | 28931 | 28930 | 28954 | 28950 | 28954 | 28957 | 28951 | 28949 |
20 | 28896 | 28896 | 28888 | 28909 | 28918 | 28921 | 28914 | 28924 | 28914 | 28912 | 28932 | 28953 | 28959 | 28957 | 28952 |
21 | 28917 | 28921 | 28925 | 28917 | 28909 | 28893 | 28919 | 28906 | 28931 | 28914 | 28917 | 28952 | 28937 | 28951 | 28955 |
22 | 28896 | 28896 | 28929 | 28889 | 28907 | 28923 | 28919 | 28930 | 28940 | 28918 | 28910 | 28959 | 28900 | 28951 | 28950 |
23 | 28927 | 28909 | 28907 | 28920 | 28906 | 28918 | 28919 | 28912 | 28914 | 28922 | 28956 | 28960 | 28901 | 28957 | 28956 |
25 | 28906 | 28910 | 28931 | 28909 | 28920 | 28911 | 28918 | 28917 | 28924 | 28907 | 28911 | 28896 | 28895 | 28950 | 28955 |
30 | 28926 | 28918 | 28911 | 28908 | 28908 | 28869 | 28914 | 28935 | 28925 | 28905 | 28922 | 28962 | 28898 | 28951 | 28951 |
40 | 28909 | 28907 | 28910 | 28912 | 28914 | 28913 | 28917 | 28930 | 28927 | 28906 | 28906 | 28954 | 28966 | 28951 | 28948 |
Iterations | Min. Bytes | Reduction | Coverage |
---|---|---|---|
100 | 28886 bytes | – | 100% |
1,000 | 28877 bytes | -9 bytes | 100% |
10,000 | 28873 bytes | -4 bytes | 100% |
100,000 | 28869 bytes | -4 bytes | 0.58% |
1,000,000 | 28869 bytes | – | 0.29% |
10,000,000 | – | – | – |
Blocks | Min. Bytes | Compared To Best Zopfli | Compared To Best KZIP |
---|---|---|---|
(any) | 29015 bytes | +146 bytes (+0.51%) | +3 bytes |
1 | 29012 bytes | +143 bytes (+0.50%) | – |
2 | 29049 bytes | +180 bytes (+0.62%) | +37 bytes |
3 | 29020 bytes | +151 bytes (+0.52%) | +8 bytes |
4 | 29041 bytes | +172 bytes (+0.60%) | +29 bytes |
5 | 29031 bytes | +162 bytes (+0.56%) | +19 bytes |
6 | 29023 bytes | +154 bytes (+0.53%) | +11 bytes |
7 | 29035 bytes | +166 bytes (+0.58%) | +23 bytes |
8 | 29073 bytes | +204 bytes (+0.71%) | +61 bytes |
Algorithm | Program | Parameters | Size | Compared To Best Zopfli |
---|---|---|---|---|
ZPAQ (Wikipedia) | zpaq | zpaq -method 69 | 22986 bytes | -5883 bytes (-20.38%) |
RAR (proprietary) | RAR | rar a -m5 -md64m -mc63:128t -mt1 | 25767 bytes | -3102 bytes (-10.75%) |
PPMd (Wikipedia) | 7zip | 7za a -mx=9 -m0=ppmd | 26625 bytes | -2244 bytes (-7.77%) |
Brotli (Wikipedia) | brotli | brotli -q 11 | 26840 bytes | -2029 bytes (-7.03%) |
LZMA2 (Wikipedia) | xz | xz -9 | 27712 bytes | -1157 bytes (-4.01%) |
Zstandard (Wikipedia) | zstd | zstd -19 | 28465 bytes | -404 bytes (-1.40%) |
Burrows-Wheeler transform (Wikipedia) | bzip2 | bzip2 -9 | 28587 bytes | -282 bytes (-0.98%) |