Boot |
34122 bytes (33.3k)
|
CDN |
Baidu |
30275 bytes (29.6k)
|
CDN |
cdnjs |
30194 bytes (29.5k)
|
CDN |
jsdelivr |
30069 bytes (29.4k)
|
CDN |
gzip -6 (default) |
30043 bytes (29.3k)
|
local copy |
Sina |
29990 bytes (29.3k)
|
CDN |
gzip -9 |
29987 bytes (29.3k)
|
local copy |
libdeflate -12 |
29119 bytes (28.4k)
|
local copy |
7zip -mx=9 -tgzip |
29114 bytes (28.4k)
|
local copy |
kzip -s0 -rn -b2 |
29085 bytes (28.4k)
|
local copy |
zultra |
29078 bytes (28.4k)
|
local copy |
pigz -11 -n |
29043 bytes (28.4k)
|
local copy |
Zopfli |
29025 bytes (28.3k)
|
local copy |
Zopfli (defluff) |
29024 bytes (28.3k)
|
local copy |
Description | Value | Parameter |
---|---|---|
iterations | 100000 | --i100000 |
maximum blocks | 8 | --mb8 |
maximum length score | 512 | --mls512 |
block splitting recursion | 16 | --bsr16 |
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 | 34122 bytes | 57639a323bb1a6d8cbd9926cb93de7b7 | March 18, 2015 @ 10:17 |
cdnjs | 30194 bytes | 57639a323bb1a6d8cbd9926cb93de7b7 | January 24, 2014 @ 03:45 |
Sina | 29990 bytes | 57639a323bb1a6d8cbd9926cb93de7b7 | (invalid) |
CDN | Size (compressed) | MD5 (uncompressed) | Comment / Diff | Timestamp |
---|---|---|---|---|
Baidu | 30275 bytes | 16305ee888dc9e6e2cf7ecbbcdacab4a | only whitespaces differ | June 5, 2014 @ 10:05 |
jsdelivr | 30069 bytes | 16305ee888dc9e6e2cf7ecbbcdacab4a | only whitespaces differ | August 7, 2014 @ 18:30 |
Size | Improvement | Parameters | Found |
---|---|---|---|
29025 bytes | -2 bytes | zopfli --i100000 --mls512 --bsr16 --lazy --ohh | November 26, 2015 @ 17:51 |
29027 bytes | -1 byte | zopfli --i10000 --mls512 --bsr16 --lazy --ohh | September 10, 2015 @ 04:38 |
29028 bytes | -4 bytes | zopfli --i10000 --mls512 --bsr11 --lazy --ohh | September 10, 2015 @ 04:34 |
29032 bytes | -1 byte | zopfli --i1000 --mls512 --bsr16 --lazy --ohh | September 7, 2015 @ 20:52 |
29033 bytes | -1 byte | zopfli --i1000 --mls512 --bsr12 --lazy --ohh | September 7, 2015 @ 20:52 |
29034 bytes | – | zopfli --i100 --mls512 --bsr13 --lazy --ohh | September 7, 2015 @ 16:38 |
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 | 29032 | 29032 | 29032 | 29033 | 29033 | 29033 | 29034 | 29034 | 29034 | 29031 | 29035 | 29054 | 29053 | 29055 | 29054 |
4 | 29034 | 29034 | 29035 | 29036 | 29034 | 29036 | 29034 | 29039 | 29030 | 29039 | 29040 | 29031 | 29050 | 29054 | 29049 |
6 | 29034 | 29036 | 29035 | 29036 | 29030 | 29032 | 29033 | 29032 | 29031 | 29032 | 29040 | 29036 | 29052 | 29034 | 29056 |
7 | 29037 | 29032 | 29035 | 29036 | 29036 | 29031 | 29033 | 29037 | 29032 | 29033 | 29040 | 29032 | 29049 | 29053 | 29055 |
8 | 29034 | 29034 | 29035 | 29029 | 29032 | 29034 | 29033 | 29032 | 29032 | 29032 | 29040 | 29031 | 29053 | 29055 | 29058 |
9 | 29036 | 29031 | 29034 | 29031 | 29031 | 29035 | 29031 | 29033 | 29025 | 29033 | 29040 | 29037 | 29051 | 29054 | 29053 |
10 | 29036 | 29035 | 29032 | 29030 | 29030 | 29035 | 29034 | 29032 | 29031 | 29032 | 29040 | 29035 | 29050 | 29054 | 29054 |
11 | 29035 | 29035 | 29035 | 29036 | 29033 | 29037 | 29034 | 29032 | 29025 | 29030 | 29040 | 29055 | 29049 | 29053 | 29049 |
12 | 29035 | 29033 | 29034 | 29036 | 29030 | 29035 | 29032 | 29030 | 29026 | 29032 | 29038 | 29032 | 29049 | 29054 | 29054 |
13 | 29035 | 29035 | 29035 | 29037 | 29028 | 29033 | 29035 | 29031 | 29030 | 29036 | 29040 | 29047 | 29052 | 29054 | 29056 |
14 | 29034 | 29031 | 29034 | 29031 | 29034 | 29033 | 29034 | 29035 | 29030 | 29032 | 29038 | 29045 | 29049 | 29037 | 29053 |
15 | 29034 | 29033 | 29035 | 29033 | 29033 | 29033 | 29034 | 29035 | 29034 | 29033 | 29034 | 29035 | 29032 | 29055 | 29046 |
16 | 29034 | 29033 | 29032 | 29035 | 29030 | 29034 | 29032 | 29031 | 29025 | 29033 | 29040 | 29046 | 29049 | 29051 | 29052 |
17 | 29034 | 29036 | 29032 | 29029 | 29034 | 29037 | 29035 | 29035 | 29031 | 29032 | 29040 | 29054 | 29051 | 29054 | 29055 |
18 | 29044 | 29031 | 29035 | 29029 | 29032 | 29036 | 29032 | 29031 | 29029 | 29033 | 29040 | 29035 | 29049 | 29053 | 29054 |
19 | 29034 | 29033 | 29034 | 29037 | 29033 | 29036 | 29032 | 29032 | 29032 | 29034 | 29040 | 29034 | 29036 | 29031 | 29058 |
20 | 29037 | 29038 | 29035 | 29030 | 29028 | 29032 | 29035 | 29034 | 29032 | 29033 | 29038 | 29046 | 29050 | 29030 | 29058 |
21 | 29035 | 29030 | 29034 | 29029 | 29032 | 29033 | 29034 | 29030 | 29030 | 29033 | 29038 | 29031 | 29049 | 29047 | 29054 |
22 | 29037 | 29035 | 29033 | 29029 | 29034 | 29034 | 29032 | 29032 | 29030 | 29032 | 29040 | 29055 | 29050 | 29054 | 29055 |
23 | 29035 | 29034 | 29034 | 29036 | 29035 | 29034 | 29035 | 29039 | 29028 | 29033 | 29040 | 29042 | 29050 | 29054 | 29056 |
25 | 29036 | 29034 | 29033 | 29035 | 29025 | 29036 | 29032 | 29032 | 29032 | 29032 | 29038 | 29036 | 29050 | 29047 | 29055 |
30 | 29036 | 29029 | 29035 | 29036 | 29029 | 29034 | 29030 | 29039 | 29030 | 29032 | 29040 | 29048 | 29049 | 29047 | 29055 |
40 | 29035 | 29031 | 29034 | 29033 | 29030 | 29034 | 29035 | 29032 | 29028 | 29033 | 29040 | 29032 | 29049 | 29052 | 29053 |
Iterations | Min. Bytes | Reduction | Coverage |
---|---|---|---|
100 | 29034 bytes | – | 100% |
1,000 | 29032 bytes | -2 bytes | 100% |
10,000 | 29026 bytes | -6 bytes | 100% |
100,000 | 29025 bytes | -1 byte | 1.45% |
1,000,000 | – | – | – |
10,000,000 | – | – | – |
Blocks | Min. Bytes | Compared To Best Zopfli | Compared To Best KZIP |
---|---|---|---|
(any) | 29087 bytes | +62 bytes (+0.21%) | +2 bytes |
1 | 29087 bytes | +62 bytes (+0.21%) | +2 bytes |
2 | 29085 bytes | +60 bytes (+0.21%) | – |
3 | 29106 bytes | +81 bytes (+0.28%) | +21 bytes |
4 | 29139 bytes | +114 bytes (+0.39%) | +54 bytes |
5 | 29164 bytes | +139 bytes (+0.48%) | +79 bytes |
6 | 29175 bytes | +150 bytes (+0.52%) | +90 bytes |
7 | 29156 bytes | +131 bytes (+0.45%) | +71 bytes |
8 | 29181 bytes | +156 bytes (+0.54%) | +96 bytes |
Algorithm | Program | Parameters | Size | Compared To Best Zopfli |
---|---|---|---|---|
ZPAQ (Wikipedia) | zpaq | zpaq -method 69 | 24163 bytes | -4862 bytes (-16.75%) |
RAR (proprietary) | RAR | rar a -m5 -md64m -mc63:128t -mt1 | 24797 bytes | -4228 bytes (-14.57%) |
PPMd (Wikipedia) | 7zip | 7za a -mx=9 -m0=ppmd | 25737 bytes | -3288 bytes (-11.33%) |
Brotli (Wikipedia) | brotli | brotli -q 11 | 26657 bytes | -2368 bytes (-8.16%) |
Burrows-Wheeler transform (Wikipedia) | bzip2 | bzip2 -9 | 27710 bytes | -1315 bytes (-4.53%) |
LZMA2 (Wikipedia) | xz | xz -9 | 27928 bytes | -1097 bytes (-3.78%) |
Zstandard (Wikipedia) | zstd | zstd -19 | 28581 bytes | -444 bytes (-1.53%) |