Boot |
63529 bytes (62.0k)
|
CDN |
cdnjs |
55058 bytes (53.8k)
|
CDN |
gzip -6 (default) |
54820 bytes (53.5k)
|
local copy |
gzip -9 |
54764 bytes (53.5k)
|
local copy |
jsdelivr |
54734 bytes (53.5k)
|
CDN |
7zip -mx=9 -tgzip |
52187 bytes (51.0k)
|
local copy |
libdeflate -12 |
52184 bytes (51.0k)
|
local copy |
pigz -11 -n |
52140 bytes (50.9k)
|
local copy |
zultra |
52137 bytes (50.9k)
|
local copy |
kzip -s0 -rn -b1 |
52135 bytes (50.9k)
|
local copy |
Zopfli |
51974 bytes (50.8k)
|
local copy |
Zopfli (defluff) |
51972 bytes (50.8k)
|
local copy |
Description | Value | Parameter |
---|---|---|
iterations | 1000000 | --i1000000 |
maximum blocks | 8 | --mb8 |
maximum length score | 8 | --mls8 |
block splitting recursion | 9 | --bsr9 |
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 | 63529 bytes | 2526a26b4cab24307c0b2cecfb2ee5de | March 19, 2015 @ 15:42 |
cdnjs | 55058 bytes | 2526a26b4cab24307c0b2cecfb2ee5de | February 8, 2015 @ 14:45 |
jsdelivr | 54734 bytes | 2526a26b4cab24307c0b2cecfb2ee5de | August 7, 2014 @ 19:16 |
Size | Improvement | Parameters | Found |
---|---|---|---|
51974 bytes | -3 bytes | zopfli --i1000000 --mls8 --bsr9 --lazy --ohh | January 30, 2020 @ 21:07 |
51977 bytes | -4 bytes | zopfli --i100000 --mls8 --bsr9 --lazy --ohh | December 3, 2015 @ 17:26 |
51981 bytes | -4 bytes | zopfli --i10000 --mls8 --bsr9 --lazy --ohh | November 23, 2015 @ 00:05 |
51985 bytes | -2 bytes | zopfli --i10000 --mls4 --bsr25 --lazy --ohh | October 14, 2015 @ 06:13 |
51987 bytes | -2 bytes | zopfli --i10000 --mls8 --bsr16 --lazy --ohh | October 13, 2015 @ 20:44 |
51989 bytes | -6 bytes | zopfli --i1000 --mls8 --bsr9 --lazy --ohh | September 19, 2015 @ 04:25 |
51995 bytes | – | zopfli --i100 --mls8 --bsr9 --lazy --ohh | September 18, 2015 @ 16:06 |
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 | 52048 | 52043 | 52041 | 52041 | 52043 | 52045 | 52043 | 52043 | 52044 | 52068 | 52061 | 52059 | 52071 | 52068 | 52066 |
4 | 52040 | 52046 | 52051 | 52044 | 52044 | 52039 | 52056 | 52045 | 52048 | 52051 | 52050 | 52058 | 52047 | 52056 | 52041 |
6 | 52044 | 52049 | 51993 | 52049 | 52051 | 52040 | 52045 | 52043 | 52039 | 52043 | 52053 | 52058 | 52051 | 52058 | 52053 |
7 | 52042 | 52040 | 52041 | 52047 | 52047 | 52045 | 52044 | 52044 | 52045 | 52044 | 52053 | 52053 | 52062 | 52054 | 52060 |
8 | 52041 | 51996 | 52055 | 52039 | 52038 | 52040 | 52041 | 52039 | 52039 | 52062 | 52060 | 52047 | 52049 | 52043 | 52055 |
9 | 52044 | 52045 | 51974 | 52047 | 52038 | 52040 | 52039 | 52040 | 52049 | 52058 | 52050 | 52057 | 52061 | 52058 | 52044 |
10 | 52039 | 52041 | 52063 | 52047 | 52041 | 52039 | 52044 | 52043 | 52057 | 52042 | 52052 | 52056 | 52054 | 52076 | 52061 |
11 | 52039 | 51999 | 51988 | 52041 | 52039 | 52039 | 52041 | 52039 | 52042 | 52044 | 52047 | 52060 | 52052 | 52050 | 52052 |
12 | 52040 | 51986 | 52055 | 52043 | 52038 | 52041 | 52040 | 52038 | 52038 | 52041 | 52043 | 52056 | 52053 | 52039 | 52049 |
13 | 52038 | 52040 | 51990 | 52047 | 52041 | 52041 | 52044 | 52040 | 52044 | 52042 | 52049 | 52056 | 52054 | 52050 | 52055 |
14 | 52000 | 52004 | 51986 | 52048 | 52039 | 52041 | 52050 | 52040 | 52040 | 52038 | 52049 | 52057 | 52057 | 52043 | 52054 |
15 | 52040 | 51997 | 51986 | 52041 | 52038 | 52040 | 52045 | 52040 | 52040 | 52039 | 52053 | 52056 | 52055 | 52054 | 52055 |
16 | 52046 | 51988 | 51987 | 52043 | 52039 | 52041 | 52044 | 52038 | 52039 | 52043 | 52045 | 52056 | 52057 | 52049 | 52056 |
17 | 52042 | 51979 | 51987 | 52040 | 52038 | 52041 | 52044 | 52039 | 52043 | 52043 | 52048 | 52056 | 52049 | 52044 | 52053 |
18 | 52044 | 51992 | 52059 | 52047 | 52040 | 52041 | 52044 | 52039 | 52039 | 52049 | 52049 | 52054 | 52051 | 52039 | 52054 |
19 | 52040 | 51992 | 51989 | 52043 | 52039 | 52041 | 52044 | 52039 | 52044 | 52052 | 52051 | 52044 | 52056 | 52057 | 52050 |
20 | 52039 | 52000 | 51987 | 52043 | 52044 | 52040 | 52039 | 52041 | 52042 | 52038 | 52056 | 52056 | 52065 | 52065 | 52050 |
21 | 52038 | 51997 | 51991 | 52041 | 52038 | 52040 | 52044 | 52038 | 52044 | 52041 | 52048 | 52056 | 52058 | 52065 | 52053 |
22 | 52038 | 51990 | 52053 | 52046 | 52039 | 52040 | 52044 | 52039 | 52040 | 52043 | 52048 | 52042 | 52062 | 52056 | 52049 |
23 | 52039 | 51998 | 52054 | 52047 | 52040 | 52041 | 52044 | 52039 | 52040 | 52040 | 52049 | 52056 | 52054 | 52058 | 52053 |
25 | 52039 | 51979 | 52055 | 52047 | 52041 | 52042 | 52045 | 52039 | 52042 | 52042 | 52056 | 52056 | 52064 | 52038 | 52049 |
30 | 52040 | 51993 | 52054 | 52041 | 52040 | 52040 | 52044 | 52043 | 52047 | 52059 | 52059 | 52059 | 52052 | 52054 | 52058 |
40 | 52039 | 51980 | 52054 | 52047 | 52039 | 52040 | 52045 | 52040 | 52044 | 52043 | 52060 | 52043 | 52066 | 52044 | 52054 |
Iterations | Min. Bytes | Reduction | Coverage |
---|---|---|---|
100 | 51995 bytes | – | 100% |
1,000 | 51989 bytes | -6 bytes | 100% |
10,000 | 51981 bytes | -8 bytes | 100% |
100,000 | 51977 bytes | -4 bytes | 1.16% |
1,000,000 | 51974 bytes | -3 bytes | 0.29% |
10,000,000 | – | – | – |
Blocks | Min. Bytes | Compared To Best Zopfli | Compared To Best KZIP |
---|---|---|---|
(any) | 52195 bytes | +221 bytes (+0.43%) | +60 bytes |
1 | 52135 bytes | +161 bytes (+0.31%) | – |
2 | 52150 bytes | +176 bytes (+0.34%) | +15 bytes |
3 | 52193 bytes | +219 bytes (+0.42%) | +58 bytes |
4 | 52216 bytes | +242 bytes (+0.47%) | +81 bytes |
5 | 52236 bytes | +262 bytes (+0.50%) | +101 bytes |
6 | 52274 bytes | +300 bytes (+0.58%) | +139 bytes |
7 | 52280 bytes | +306 bytes (+0.59%) | +145 bytes |
8 | 52293 bytes | +319 bytes (+0.61%) | +158 bytes |
Algorithm | Program | Parameters | Size | Compared To Best Zopfli |
---|---|---|---|---|
ZPAQ (Wikipedia) | zpaq | zpaq -method 69 | 38127 bytes | -13847 bytes (-26.64%) |
RAR (proprietary) | RAR | rar a -m5 -md64m -mc63:128t -mt1 | 45212 bytes | -6762 bytes (-13.01%) |
PPMd (Wikipedia) | 7zip | 7za a -mx=9 -m0=ppmd | 46612 bytes | -5362 bytes (-10.32%) |
Brotli (Wikipedia) | brotli | brotli -q 11 | 47626 bytes | -4348 bytes (-8.37%) |
LZMA2 (Wikipedia) | xz | xz -9 | 48832 bytes | -3142 bytes (-6.05%) |
Burrows-Wheeler transform (Wikipedia) | bzip2 | bzip2 -9 | 50238 bytes | -1736 bytes (-3.34%) |
Zstandard (Wikipedia) | zstd | zstd -19 | 50270 bytes | -1704 bytes (-3.28%) |