Boot |
4445 bytes (4.3k)
|
CDN |
Baidu |
3999 bytes (3.9k)
|
CDN |
gzip -6 (default) |
3986 bytes (3.9k)
|
local copy |
cdnjs |
3980 bytes (3.9k)
|
CDN |
gzip -9 |
3980 bytes (3.9k)
|
local copy |
unpkg |
3967 bytes (3.9k)
|
CDN |
libdeflate -12 |
3890 bytes (3.8k)
|
local copy |
7zip -mx=9 -tgzip |
3887 bytes (3.8k)
|
local copy |
kzip -s0 -rn -b1 |
3884 bytes (3.8k)
|
local copy |
zultra |
3876 bytes (3.8k)
|
local copy |
pigz -11 -n |
3874 bytes (3.8k)
|
local copy |
Zopfli |
3866 bytes (3.8k)
|
local copy |
Description | Value | Parameter |
---|---|---|
iterations | 10000 | --i10000 |
maximum blocks | 8 | --mb8 |
maximum length score | 512 | --mls512 |
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 | 4445 bytes | 08d02bde090fcd9ad5e7587838e252d7 | (invalid) |
cdnjs | 3980 bytes | 08d02bde090fcd9ad5e7587838e252d7 | (invalid) |
unpkg | 3967 bytes | 08d02bde090fcd9ad5e7587838e252d7 | July 11, 2016 @ 16:49 |
CDN | Size (compressed) | MD5 (uncompressed) | Comment / Diff | Timestamp |
---|---|---|---|---|
Baidu | 3999 bytes | e6ac0afe8f060689dfe428a4b5965f01 | only whitespaces differ | (invalid) |
Size | Improvement | Parameters | Found |
---|---|---|---|
3866 bytes | -1 byte | zopfli --i10000 --mls512 --bsr12 --lazy --ohh | September 8, 2015 @ 16:09 |
3867 bytes | -1 byte | zopfli --i1000 --mls512 --bsr11 --lazy --ohh | September 8, 2015 @ 10:59 |
3868 bytes | – | zopfli --i100 --mls512 --bsr10 --lazy --ohh | September 8, 2015 @ 10:32 |
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 | 3875 | 3875 | 3875 | 3875 | 3874 | 3875 | 3876 | 3876 | 3876 | 3877 | 3875 | 3873 | 3873 | 3872 | 3872 |
4 | 3869 | 3869 | 3866 | 3867 | 3869 | 3868 | 3866 | 3868 | 3867 | 3868 | 3867 | 3870 | 3869 | 3869 | 3869 |
6 | 3868 | 3868 | 3868 | 3870 | 3869 | 3869 | 3869 | 3870 | 3866 | 3867 | 3870 | 3868 | 3869 | 3870 | 3870 |
7 | 3868 | 3868 | 3867 | 3868 | 3869 | 3869 | 3866 | 3867 | 3866 | 3868 | 3872 | 3870 | 3869 | 3869 | 3869 |
8 | 3870 | 3870 | 3869 | 3867 | 3869 | 3868 | 3867 | 3866 | 3867 | 3868 | 3870 | 3870 | 3868 | 3868 | 3868 |
9 | 3870 | 3870 | 3868 | 3867 | 3867 | 3867 | 3868 | 3869 | 3867 | 3868 | 3867 | 3867 | 3869 | 3869 | 3869 |
10 | 3870 | 3870 | 3867 | 3869 | 3869 | 3868 | 3866 | 3870 | 3866 | 3868 | 3870 | 3870 | 3868 | 3868 | 3868 |
11 | 3867 | 3867 | 3867 | 3867 | 3869 | 3869 | 3866 | 3866 | 3866 | 3870 | 3873 | 3868 | 3869 | 3869 | 3869 |
12 | 3870 | 3870 | 3867 | 3867 | 3869 | 3869 | 3868 | 3868 | 3866 | 3870 | 3873 | 3868 | 3869 | 3869 | 3869 |
13 | 3868 | 3868 | 3867 | 3867 | 3869 | 3869 | 3866 | 3867 | 3867 | 3870 | 3869 | 3870 | 3868 | 3868 | 3868 |
14 | 3870 | 3870 | 3869 | 3869 | 3869 | 3868 | 3867 | 3867 | 3867 | 3869 | 3870 | 3868 | 3869 | 3868 | 3868 |
15 | 3867 | 3867 | 3867 | 3869 | 3869 | 3869 | 3866 | 3867 | 3867 | 3869 | 3873 | 3870 | 3869 | 3869 | 3869 |
16 | 3870 | 3870 | 3869 | 3867 | 3869 | 3869 | 3866 | 3867 | 3866 | 3868 | 3868 | 3868 | 3868 | 3868 | 3868 |
17 | 3867 | 3867 | 3869 | 3867 | 3869 | 3869 | 3866 | 3870 | 3867 | 3868 | 3868 | 3870 | 3869 | 3869 | 3869 |
18 | 3870 | 3870 | 3869 | 3868 | 3869 | 3869 | 3866 | 3868 | 3867 | 3867 | 3872 | 3868 | 3868 | 3868 | 3868 |
19 | 3870 | 3870 | 3869 | 3867 | 3869 | 3869 | 3868 | 3870 | 3867 | 3868 | 3867 | 3867 | 3868 | 3868 | 3868 |
20 | 3867 | 3867 | 3869 | 3867 | 3869 | 3869 | 3866 | 3866 | 3866 | 3870 | 3873 | 3867 | 3868 | 3868 | 3868 |
21 | 3870 | 3870 | 3869 | 3867 | 3869 | 3869 | 3866 | 3870 | 3866 | 3870 | 3868 | 3867 | 3870 | 3868 | 3868 |
22 | 3870 | 3870 | 3869 | 3867 | 3869 | 3869 | 3867 | 3866 | 3867 | 3870 | 3869 | 3877 | 3869 | 3868 | 3868 |
23 | 3869 | 3869 | 3867 | 3867 | 3869 | 3869 | 3866 | 3867 | 3866 | 3869 | 3872 | 3867 | 3869 | 3868 | 3868 |
25 | 3867 | 3867 | 3869 | 3867 | 3869 | 3868 | 3870 | 3868 | 3867 | 3869 | 3870 | 3867 | 3868 | 3868 | 3868 |
30 | 3870 | 3870 | 3869 | 3867 | 3869 | 3869 | 3866 | 3870 | 3867 | 3869 | 3873 | 3868 | 3869 | 3868 | 3868 |
40 | 3870 | 3870 | 3869 | 3867 | 3869 | 3869 | 3867 | 3867 | 3867 | 3868 | 3869 | 3869 | 3868 | 3868 | 3868 |
Iterations | Min. Bytes | Reduction | Coverage |
---|---|---|---|
100 | 3868 bytes | – | 100% |
1,000 | 3867 bytes | -1 byte | 100% |
10,000 | 3866 bytes | -1 byte | 100% |
100,000 | 3866 bytes | – | 7.83% |
1,000,000 | 3866 bytes | – | 0.29% |
10,000,000 | – | – | – |
Blocks | Min. Bytes | Compared To Best Zopfli | Compared To Best KZIP |
---|---|---|---|
(any) | 3884 bytes | +18 bytes (+0.47%) | – |
1 | 3884 bytes | +18 bytes (+0.47%) | – |
2 | 3899 bytes | +33 bytes (+0.85%) | +15 bytes |
3 | 3894 bytes | +28 bytes (+0.72%) | +10 bytes |
4 | 3918 bytes | +52 bytes (+1.35%) | +34 bytes |
5 | 3942 bytes | +76 bytes (+1.97%) | +58 bytes |
6 | 3974 bytes | +108 bytes (+2.79%) | +90 bytes |
7 | 4008 bytes | +142 bytes (+3.67%) | +124 bytes |
8 | 4041 bytes | +175 bytes (+4.53%) | +157 bytes |
Algorithm | Program | Parameters | Size | Compared To Best Zopfli |
---|---|---|---|---|
RAR (proprietary) | RAR | rar a -m5 -md64m -mc63:128t -mt1 | 3480 bytes | -386 bytes (-9.98%) |
Brotli (Wikipedia) | brotli | brotli -q 11 | 3561 bytes | -305 bytes (-7.89%) |
PPMd (Wikipedia) | 7zip | 7za a -mx=9 -m0=ppmd | 3853 bytes | -13 bytes (-0.34%) |
Zstandard (Wikipedia) | zstd | zstd -19 | 3901 bytes | +35 bytes (+0.91%) |
Burrows-Wheeler transform (Wikipedia) | bzip2 | bzip2 -9 | 3934 bytes | +68 bytes (+1.76%) |
LZMA2 (Wikipedia) | xz | xz -9 | 3964 bytes | +98 bytes (+2.53%) |
ZPAQ (Wikipedia) | zpaq | zpaq -method 69 | 4330 bytes | +464 bytes (+12.00%) |