Boot |
19689 bytes (19.2k)
|
CDN |
cdnjs |
16926 bytes (16.5k)
|
CDN |
Baidu |
16908 bytes (16.5k)
|
CDN |
gzip -6 (default) |
16777 bytes (16.4k)
|
local copy |
gzip -9 |
16730 bytes (16.3k)
|
local copy |
16729 bytes (16.3k)
|
CDN | |
libdeflate -12 |
16185 bytes (15.8k)
|
local copy |
kzip -s0 -rn -b0 |
16152 bytes (15.8k)
|
local copy |
7zip -mx=9 -tgzip |
16138 bytes (15.8k)
|
local copy |
zultra |
16133 bytes (15.8k)
|
local copy |
pigz -11 -n |
16125 bytes (15.7k)
|
local copy |
Yandex |
16099 bytes (15.7k)
|
CDN |
Zopfli |
16094 bytes (15.7k)
|
local copy |
Description | Value | Parameter |
---|---|---|
iterations | 100000 | --i100000 |
maximum blocks | 8 | --mb8 |
maximum length score | 16 | --mls16 |
block splitting recursion | 18 | --bsr18 |
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 | 19689 bytes | a9331828c517ac5d97f93b3cfdbcc9bc | March 18, 2015 @ 09:41 |
cdnjs | 16926 bytes | a9331828c517ac5d97f93b3cfdbcc9bc | (invalid) |
CDN | Size (compressed) | MD5 (uncompressed) | Comment / Diff | Timestamp |
---|---|---|---|---|
Baidu | 16908 bytes | 18aaf86c96cf3dedf9c01a748d92089c |
< * $Date: 2008-05-24 14:22:17 -0400 (Sat, 24 May 2008) $ > * $Date: 2008/05/26 $ |
January 7, 2015 @ 10:16 |
16729 bytes | 233898893e19f2aad95407abfc7a74fa |
< * $Date: 2008-05-24 14:22:17 -0400 (Sat, 24 May 2008) $ > * $Date: 2008/05/26 $ |
(invalid) | |
Yandex | 16099 bytes | 233898893e19f2aad95407abfc7a74fa |
< * $Date: 2008-05-24 14:22:17 -0400 (Sat, 24 May 2008) $ > * $Date: 2008/05/26 $ |
June 15, 2015 @ 21:17 |
Size | Improvement | Parameters | Found |
---|---|---|---|
16094 bytes | -1 byte | zopfli --i100000 --mls16 --bsr18 --lazy --ohh | January 7, 2016 @ 14:08 |
16095 bytes | -3 bytes | zopfli --i100000 --mls4096 --bsr12 --lazy --ohh | September 2, 2015 @ 01:38 |
16098 bytes | -2 bytes | zopfli --i10000 --mls4096 --bsr12 --lazy --ohh | September 1, 2015 @ 21:26 |
16100 bytes | -1 byte | zopfli --i1000 --mls4096 --bsr12 --lazy --ohh | September 1, 2015 @ 20:39 |
16101 bytes | – | zopfli --i100 --mls8192 --bsr13 --lazy --ohh | September 1, 2015 @ 20:16 |
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 | 16114 | 16100 | 16108 | 16106 | 16122 | 16101 | 16113 | 16101 | 16102 | 16101 | 16105 | 16103 | 16104 | 16102 | 16104 |
4 | 16113 | 16114 | 16116 | 16100 | 16114 | 16099 | 16113 | 16100 | 16120 | 16122 | 16102 | 16104 | 16101 | 16105 | 16106 |
6 | 16111 | 16110 | 16110 | 16101 | 16104 | 16103 | 16101 | 16104 | 16101 | 16119 | 16101 | 16101 | 16100 | 16105 | 16104 |
7 | 16116 | 16123 | 16117 | 16104 | 16113 | 16118 | 16116 | 16102 | 16117 | 16119 | 16101 | 16100 | 16100 | 16103 | 16103 |
8 | 16121 | 16122 | 16117 | 16117 | 16113 | 16114 | 16102 | 16103 | 16120 | 16116 | 16103 | 16101 | 16102 | 16103 | 16100 |
9 | 16114 | 16115 | 16119 | 16102 | 16098 | 16099 | 16103 | 16101 | 16103 | 16101 | 16101 | 16102 | 16100 | 16106 | 16103 |
10 | 16117 | 16111 | 16118 | 16100 | 16113 | 16103 | 16100 | 16099 | 16102 | 16116 | 16101 | 16102 | 16099 | 16105 | 16106 |
11 | 16098 | 16098 | 16116 | 16113 | 16106 | 16102 | 16101 | 16102 | 16103 | 16119 | 16101 | 16098 | 16102 | 16105 | 16100 |
12 | 16114 | 16115 | 16101 | 16104 | 16113 | 16102 | 16104 | 16099 | 16099 | 16100 | 16100 | 16095 | 16100 | 16103 | 16104 |
13 | 16101 | 16110 | 16116 | 16098 | 16100 | 16100 | 16103 | 16102 | 16099 | 16101 | 16100 | 16100 | 16099 | 16104 | 16104 |
14 | 16106 | 16105 | 16107 | 16102 | 16113 | 16102 | 16113 | 16118 | 16122 | 16115 | 16101 | 16100 | 16102 | 16104 | 16098 |
15 | 16101 | 16102 | 16106 | 16100 | 16101 | 16100 | 16100 | 16101 | 16101 | 16103 | 16103 | 16099 | 16099 | 16105 | 16098 |
16 | 16107 | 16099 | 16096 | 16099 | 16101 | 16101 | 16100 | 16101 | 16103 | 16116 | 16101 | 16101 | 16100 | 16099 | 16101 |
17 | 16114 | 16112 | 16099 | 16115 | 16098 | 16096 | 16100 | 16100 | 16102 | 16116 | 16101 | 16100 | 16100 | 16107 | 16102 |
18 | 16099 | 16098 | 16106 | 16094 | 16113 | 16099 | 16103 | 16102 | 16100 | 16116 | 16101 | 16101 | 16100 | 16103 | 16100 |
19 | 16113 | 16115 | 16100 | 16100 | 16113 | 16100 | 16101 | 16100 | 16117 | 16100 | 16099 | 16100 | 16100 | 16102 | 16102 |
20 | 16117 | 16115 | 16115 | 16103 | 16102 | 16100 | 16103 | 16100 | 16099 | 16102 | 16101 | 16100 | 16103 | 16103 | 16102 |
21 | 16114 | 16099 | 16116 | 16100 | 16100 | 16099 | 16103 | 16100 | 16101 | 16102 | 16100 | 16099 | 16100 | 16105 | 16101 |
22 | 16114 | 16114 | 16101 | 16101 | 16113 | 16102 | 16099 | 16100 | 16101 | 16119 | 16100 | 16100 | 16099 | 16102 | 16102 |
23 | 16113 | 16112 | 16103 | 16102 | 16113 | 16099 | 16103 | 16101 | 16100 | 16100 | 16101 | 16100 | 16099 | 16101 | 16100 |
25 | 16114 | 16115 | 16099 | 16102 | 16113 | 16098 | 16114 | 16098 | 16100 | 16101 | 16101 | 16101 | 16099 | 16101 | 16099 |
30 | 16114 | 16115 | 16100 | 16102 | 16113 | 16109 | 16098 | 16099 | 16101 | 16115 | 16101 | 16098 | 16100 | 16103 | 16101 |
40 | 16099 | 16099 | 16101 | 16104 | 16098 | 16099 | 16098 | 16100 | 16101 | 16100 | 16099 | 16100 | 16099 | 16101 | 16101 |
Iterations | Min. Bytes | Reduction | Coverage |
---|---|---|---|
100 | 16100 bytes | – | 100% |
1,000 | 16098 bytes | -2 bytes | 100% |
10,000 | 16097 bytes | -1 byte | 100% |
100,000 | 16094 bytes | -3 bytes | 1.16% |
1,000,000 | – | – | – |
10,000,000 | – | – | – |
Blocks | Min. Bytes | Compared To Best Zopfli | Compared To Best KZIP |
---|---|---|---|
(any) | 16152 bytes | +58 bytes (+0.36%) | – |
1 | 16154 bytes | +60 bytes (+0.37%) | +2 bytes |
2 | 16161 bytes | +67 bytes (+0.42%) | +9 bytes |
3 | 16184 bytes | +90 bytes (+0.56%) | +32 bytes |
4 | 16208 bytes | +114 bytes (+0.71%) | +56 bytes |
5 | 16201 bytes | +107 bytes (+0.66%) | +49 bytes |
6 | 16242 bytes | +148 bytes (+0.92%) | +90 bytes |
7 | 16285 bytes | +191 bytes (+1.19%) | +133 bytes |
8 | 16299 bytes | +205 bytes (+1.27%) | +147 bytes |
Algorithm | Program | Parameters | Size | Compared To Best Zopfli |
---|---|---|---|---|
ZPAQ (Wikipedia) | zpaq | zpaq -method 69 | 13579 bytes | -2515 bytes (-15.63%) |
RAR (proprietary) | RAR | rar a -m5 -md64m -mc63:128t -mt1 | 13838 bytes | -2256 bytes (-14.02%) |
PPMd (Wikipedia) | 7zip | 7za a -mx=9 -m0=ppmd | 14974 bytes | -1120 bytes (-6.96%) |
Brotli (Wikipedia) | brotli | brotli -q 11 | 15130 bytes | -964 bytes (-5.99%) |
Burrows-Wheeler transform (Wikipedia) | bzip2 | bzip2 -9 | 15705 bytes | -389 bytes (-2.42%) |
LZMA2 (Wikipedia) | xz | xz -9 | 15872 bytes | -222 bytes (-1.38%) |
Zstandard (Wikipedia) | zstd | zstd -19 | 16030 bytes | -64 bytes (-0.40%) |