Boot |
35018 bytes (34.2k)
|
CDN |
Baidu |
30531 bytes (29.8k)
|
CDN |
cdnjs |
30522 bytes (29.8k)
|
CDN |
gzip -6 (default) |
30422 bytes (29.7k)
|
local copy |
gzip -9 |
30385 bytes (29.7k)
|
local copy |
Sina |
30373 bytes (29.7k)
|
CDN |
libdeflate -12 |
29065 bytes (28.4k)
|
local copy |
7zip -mx=9 -tgzip |
29024 bytes (28.3k)
|
local copy |
kzip -s0 -rn -b0 |
29007 bytes (28.3k)
|
local copy |
zultra |
28969 bytes (28.3k)
|
local copy |
pigz -11 -n |
28954 bytes (28.3k)
|
local copy |
Zopfli |
28870 bytes (28.2k)
|
local copy |
Zopfli (defluff) |
28869 bytes (28.2k)
|
local copy |
Description | Value | Parameter |
---|---|---|
iterations | 1000000 | --i1000000 |
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 | 35018 bytes | ab083c0ee8fd32de6a272b2b38cd567b | March 19, 2015 @ 15:31 |
cdnjs | 30522 bytes | ab083c0ee8fd32de6a272b2b38cd567b | February 8, 2015 @ 14:45 |
Sina | 30373 bytes | ab083c0ee8fd32de6a272b2b38cd567b | April 25, 2019 @ 14:07 |
CDN | Size (compressed) | MD5 (uncompressed) | Comment / Diff | Timestamp |
---|---|---|---|---|
Baidu | 30531 bytes | f4479e3a85a03a6d0179667b64e801d9 | only whitespaces differ | January 7, 2015 @ 10:16 |
Size | Improvement | Parameters | Found |
---|---|---|---|
28870 bytes | -1 byte | zopfli --i1000000 --mls64 --bsr30 --lazy --ohh | February 29, 2020 @ 13:39 |
28871 bytes | -4 bytes | zopfli --i100000 --mls64 --bsr30 --lazy --ohh | December 1, 2015 @ 16:42 |
28875 bytes | -4 bytes | zopfli --i10000 --mls64 --bsr30 --lazy --ohh | September 24, 2015 @ 11:53 |
28879 bytes | -8 bytes | zopfli --i1000 --mls64 --bsr30 --lazy --ohh | September 24, 2015 @ 11:50 |
28887 bytes | – | zopfli --i100 --mls64 --bsr30 --lazy --ohh | September 24, 2015 @ 11:42 |
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 | 28943 | 28939 | 28952 | 28949 | 28944 | 28968 | 28958 | 28953 | 28960 | 28961 | 28961 | 28955 | 28970 | 28956 | 28958 |
4 | 28925 | 28951 | 28941 | 28949 | 28923 | 28914 | 28915 | 28931 | 28930 | 28952 | 28925 | 28960 | 28957 | 28960 | 28964 |
6 | 28922 | 28924 | 28917 | 28923 | 28928 | 28917 | 28931 | 28945 | 28940 | 28959 | 28935 | 28961 | 28904 | 28959 | 28956 |
7 | 28924 | 28929 | 28934 | 28932 | 28945 | 28925 | 28918 | 28919 | 28938 | 28949 | 28936 | 28962 | 28957 | 28959 | 28957 |
8 | 28921 | 28917 | 28918 | 28928 | 28923 | 28929 | 28929 | 28932 | 28924 | 28927 | 28927 | 28951 | 28958 | 28958 | 28960 |
9 | 28934 | 28925 | 28920 | 28920 | 28917 | 28921 | 28914 | 28911 | 28943 | 28961 | 28928 | 28952 | 28942 | 28952 | 28953 |
10 | 28927 | 28924 | 28923 | 28925 | 28921 | 28918 | 28918 | 28919 | 28939 | 28954 | 28939 | 28951 | 28923 | 28961 | 28950 |
11 | 28927 | 28918 | 28914 | 28909 | 28939 | 28908 | 28918 | 28919 | 28923 | 28953 | 28931 | 28952 | 28957 | 28959 | 28960 |
12 | 28921 | 28917 | 28919 | 28927 | 28919 | 28912 | 28910 | 28919 | 28928 | 28910 | 28915 | 28897 | 28958 | 28954 | 28961 |
13 | 28916 | 28912 | 28918 | 28918 | 28909 | 28916 | 28920 | 28924 | 28926 | 28913 | 28912 | 28895 | 28903 | 28952 | 28952 |
14 | 28908 | 28911 | 28906 | 28913 | 28910 | 28910 | 28916 | 28923 | 28925 | 28954 | 28914 | 28954 | 28902 | 28958 | 28958 |
15 | 28904 | 28916 | 28933 | 28914 | 28910 | 28910 | 28920 | 28924 | 28921 | 28917 | 28907 | 28960 | 28959 | 28961 | 28964 |
16 | 28911 | 28917 | 28907 | 28913 | 28922 | 28908 | 28919 | 28909 | 28926 | 28917 | 28930 | 28951 | 28943 | 28958 | 28958 |
17 | 28912 | 28928 | 28904 | 28931 | 28926 | 28917 | 28918 | 28919 | 28922 | 28916 | 28919 | 28926 | 28959 | 28959 | 28958 |
18 | 28916 | 28901 | 28898 | 28921 | 28911 | 28918 | 28921 | 28913 | 28921 | 28924 | 28919 | 28951 | 28904 | 28966 | 28958 |
19 | 28919 | 28917 | 28932 | 28919 | 28911 | 28920 | 28914 | 28932 | 28919 | 28923 | 28950 | 28957 | 28959 | 28952 | 28952 |
20 | 28897 | 28898 | 28890 | 28909 | 28901 | 28928 | 28920 | 28931 | 28912 | 28914 | 28928 | 28954 | 28959 | 28961 | 28953 |
21 | 28918 | 28925 | 28930 | 28922 | 28926 | 28902 | 28951 | 28911 | 28930 | 28917 | 28935 | 28955 | 28940 | 28959 | 28950 |
22 | 28897 | 28897 | 28931 | 28912 | 28920 | 28922 | 28931 | 28931 | 28929 | 28950 | 28933 | 28960 | 28944 | 28957 | 28958 |
23 | 28927 | 28911 | 28911 | 28908 | 28910 | 28915 | 28921 | 28912 | 28915 | 28912 | 28934 | 28960 | 28947 | 28954 | 28951 |
25 | 28908 | 28911 | 28935 | 28913 | 28934 | 28910 | 28918 | 28921 | 28921 | 28913 | 28914 | 28919 | 28902 | 28959 | 28958 |
30 | 28928 | 28919 | 28912 | 28908 | 28910 | 28870 | 28916 | 28935 | 28927 | 28917 | 28913 | 28952 | 28898 | 28952 | 28952 |
40 | 28911 | 28908 | 28916 | 28915 | 28916 | 28915 | 28919 | 28923 | 28929 | 28913 | 28906 | 28954 | 28968 | 28953 | 28952 |
Iterations | Min. Bytes | Reduction | Coverage |
---|---|---|---|
100 | 28887 bytes | – | 100% |
1,000 | 28879 bytes | -8 bytes | 100% |
10,000 | 28875 bytes | -4 bytes | 100% |
100,000 | 28871 bytes | -4 bytes | 0.58% |
1,000,000 | 28870 bytes | -1 byte | 0.29% |
10,000,000 | – | – | – |
Blocks | Min. Bytes | Compared To Best Zopfli | Compared To Best KZIP |
---|---|---|---|
(any) | 29007 bytes | +137 bytes (+0.47%) | – |
1 | 29007 bytes | +137 bytes (+0.47%) | – |
2 | 29050 bytes | +180 bytes (+0.62%) | +43 bytes |
3 | 29021 bytes | +151 bytes (+0.52%) | +14 bytes |
4 | 29043 bytes | +173 bytes (+0.60%) | +36 bytes |
5 | 29033 bytes | +163 bytes (+0.56%) | +26 bytes |
6 | 29022 bytes | +152 bytes (+0.53%) | +15 bytes |
7 | 29030 bytes | +160 bytes (+0.55%) | +23 bytes |
8 | 29075 bytes | +205 bytes (+0.71%) | +68 bytes |
Algorithm | Program | Parameters | Size | Compared To Best Zopfli |
---|---|---|---|---|
ZPAQ (Wikipedia) | zpaq | zpaq -method 69 | 22987 bytes | -5883 bytes (-20.38%) |
RAR (proprietary) | RAR | rar a -m5 -md64m -mc63:128t -mt1 | 25768 bytes | -3102 bytes (-10.74%) |
PPMd (Wikipedia) | 7zip | 7za a -mx=9 -m0=ppmd | 26626 bytes | -2244 bytes (-7.77%) |
Brotli (Wikipedia) | brotli | brotli -q 11 | 26822 bytes | -2048 bytes (-7.09%) |
LZMA2 (Wikipedia) | xz | xz -9 | 27712 bytes | -1158 bytes (-4.01%) |
Zstandard (Wikipedia) | zstd | zstd -19 | 28471 bytes | -399 bytes (-1.38%) |
Burrows-Wheeler transform (Wikipedia) | bzip2 | bzip2 -9 | 28583 bytes | -287 bytes (-0.99%) |