Boot |
4901 bytes (4.8k)
|
CDN |
Baidu |
4415 bytes (4.3k)
|
CDN |
gzip -6 (default) |
4406 bytes (4.3k)
|
local copy |
gzip -9 |
4397 bytes (4.3k)
|
local copy |
cdnjs |
4392 bytes (4.3k)
|
CDN |
unpkg |
4391 bytes (4.3k)
|
CDN |
libdeflate -12 |
4279 bytes (4.2k)
|
local copy |
7zip -mx=9 -tgzip |
4277 bytes (4.2k)
|
local copy |
zultra |
4275 bytes (4.2k)
|
local copy |
kzip -s0 -rn -b0 |
4274 bytes (4.2k)
|
local copy |
pigz -11 -n |
4262 bytes (4.2k)
|
local copy |
Zopfli |
4256 bytes (4.2k)
|
local copy |
Description | Value | Parameter |
---|---|---|
iterations | 100000 | --i100000 |
maximum blocks | 8 | --mb8 |
maximum length score | 512 | --mls512 |
block splitting recursion | 11 | --bsr11 |
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 | 4901 bytes | a36fc61e8437815d62c58c520117a872 | (invalid) |
cdnjs | 4392 bytes | a36fc61e8437815d62c58c520117a872 | (invalid) |
unpkg | 4391 bytes | a36fc61e8437815d62c58c520117a872 | July 11, 2016 @ 16:49 |
CDN | Size (compressed) | MD5 (uncompressed) | Comment / Diff | Timestamp |
---|---|---|---|---|
Baidu | 4415 bytes | b00b6a74b64a686c2ae9a07dc38565ee | only whitespaces differ | (invalid) |
Size | Improvement | Parameters | Found |
---|---|---|---|
4256 bytes | -2 bytes | zopfli --i100000 --mls512 --bsr11 --lazy --ohh | February 8, 2019 @ 15:57 |
4258 bytes | -1 byte | zopfli --i10000 --mls512 --bsr11 --lazy --ohh | September 8, 2015 @ 15:13 |
4259 bytes | -2 bytes | zopfli --i1000 --mls512 --bsr11 --lazy --ohh | September 8, 2015 @ 10:54 |
4261 bytes | – | zopfli --i100 --mls2048 --bsr6 --lazy --ohh | September 8, 2015 @ 10:34 |
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 | 4267 | 4266 | 4267 | 4266 | 4266 | 4274 | 4274 | 4261 | 4274 | 4266 | 4267 | 4266 | 4267 | 4266 | 4266 |
4 | 4261 | 4261 | 4261 | 4261 | 4258 | 4256 | 4261 | 4257 | 4261 | 4259 | 4257 | 4257 | 4260 | 4260 | 4260 |
6 | 4260 | 4260 | 4260 | 4260 | 4260 | 4260 | 4261 | 4257 | 4261 | 4260 | 4259 | 4259 | 4257 | 4259 | 4259 |
7 | 4272 | 4272 | 4273 | 4273 | 4257 | 4260 | 4260 | 4256 | 4256 | 4260 | 4259 | 4259 | 4259 | 4259 | 4259 |
8 | 4260 | 4256 | 4257 | 4257 | 4259 | 4260 | 4259 | 4257 | 4257 | 4259 | 4259 | 4257 | 4257 | 4257 | 4257 |
9 | 4260 | 4261 | 4261 | 4261 | 4259 | 4258 | 4257 | 4256 | 4256 | 4256 | 4259 | 4257 | 4257 | 4261 | 4261 |
10 | 4256 | 4259 | 4261 | 4261 | 4260 | 4260 | 4259 | 4256 | 4256 | 4260 | 4259 | 4259 | 4259 | 4259 | 4259 |
11 | 4273 | 4273 | 4272 | 4273 | 4262 | 4273 | 4259 | 4256 | 4256 | 4256 | 4259 | 4259 | 4259 | 4259 | 4259 |
12 | 4257 | 4262 | 4261 | 4261 | 4260 | 4260 | 4259 | 4259 | 4257 | 4260 | 4259 | 4257 | 4259 | 4259 | 4259 |
13 | 4260 | 4260 | 4257 | 4260 | 4260 | 4260 | 4260 | 4264 | 4257 | 4260 | 4259 | 4259 | 4257 | 4257 | 4257 |
14 | 4260 | 4261 | 4257 | 4261 | 4260 | 4260 | 4261 | 4256 | 4257 | 4260 | 4257 | 4259 | 4257 | 4257 | 4257 |
15 | 4260 | 4256 | 4262 | 4261 | 4259 | 4260 | 4260 | 4256 | 4257 | 4260 | 4259 | 4257 | 4257 | 4259 | 4259 |
16 | 4259 | 4260 | 4262 | 4261 | 4257 | 4260 | 4260 | 4256 | 4257 | 4260 | 4257 | 4257 | 4257 | 4257 | 4257 |
17 | 4261 | 4261 | 4257 | 4261 | 4260 | 4260 | 4261 | 4259 | 4259 | 4260 | 4257 | 4257 | 4257 | 4257 | 4257 |
18 | 4256 | 4262 | 4262 | 4261 | 4260 | 4260 | 4260 | 4257 | 4257 | 4260 | 4259 | 4259 | 4259 | 4259 | 4259 |
19 | 4256 | 4261 | 4258 | 4257 | 4257 | 4260 | 4259 | 4256 | 4256 | 4259 | 4259 | 4259 | 4259 | 4259 | 4259 |
20 | 4256 | 4259 | 4257 | 4261 | 4260 | 4260 | 4259 | 4259 | 4259 | 4260 | 4259 | 4259 | 4259 | 4259 | 4259 |
21 | 4274 | 4273 | 4257 | 4261 | 4260 | 4261 | 4260 | 4256 | 4261 | 4260 | 4259 | 4259 | 4259 | 4259 | 4259 |
22 | 4260 | 4261 | 4257 | 4257 | 4260 | 4260 | 4259 | 4256 | 4256 | 4260 | 4259 | 4259 | 4259 | 4259 | 4259 |
23 | 4256 | 4260 | 4257 | 4261 | 4260 | 4260 | 4259 | 4256 | 4256 | 4260 | 4259 | 4259 | 4259 | 4259 | 4259 |
25 | 4261 | 4261 | 4259 | 4261 | 4259 | 4260 | 4258 | 4257 | 4257 | 4259 | 4259 | 4259 | 4259 | 4259 | 4259 |
30 | 4259 | 4261 | 4258 | 4261 | 4259 | 4258 | 4261 | 4262 | 4259 | 4260 | 4257 | 4257 | 4259 | 4259 | 4259 |
40 | 4257 | 4261 | 4263 | 4257 | 4260 | 4258 | 4260 | 4256 | 4259 | 4260 | 4257 | 4257 | 4257 | 4257 | 4257 |
Iterations | Min. Bytes | Reduction | Coverage |
---|---|---|---|
100 | 4261 bytes | – | 100% |
1,000 | 4259 bytes | -2 bytes | 100% |
10,000 | 4258 bytes | -1 byte | 100% |
100,000 | 4256 bytes | -2 bytes | 29.86% |
1,000,000 | 4256 bytes | – | 0.29% |
10,000,000 | – | – | – |
Blocks | Min. Bytes | Compared To Best Zopfli | Compared To Best KZIP |
---|---|---|---|
(any) | 4274 bytes | +18 bytes (+0.42%) | – |
1 | 4274 bytes | +18 bytes (+0.42%) | – |
2 | 4286 bytes | +30 bytes (+0.70%) | +12 bytes |
3 | 4286 bytes | +30 bytes (+0.70%) | +12 bytes |
4 | 4319 bytes | +63 bytes (+1.48%) | +45 bytes |
5 | 4340 bytes | +84 bytes (+1.97%) | +66 bytes |
6 | 4372 bytes | +116 bytes (+2.73%) | +98 bytes |
7 | 4393 bytes | +137 bytes (+3.22%) | +119 bytes |
8 | 4421 bytes | +165 bytes (+3.88%) | +147 bytes |
Algorithm | Program | Parameters | Size | Compared To Best Zopfli |
---|---|---|---|---|
RAR (proprietary) | RAR | rar a -m5 -md64m -mc63:128t -mt1 | 3805 bytes | -451 bytes (-10.60%) |
Brotli (Wikipedia) | brotli | brotli -q 11 | 3931 bytes | -325 bytes (-7.64%) |
PPMd (Wikipedia) | 7zip | 7za a -mx=9 -m0=ppmd | 4235 bytes | -21 bytes (-0.49%) |
Burrows-Wheeler transform (Wikipedia) | bzip2 | bzip2 -9 | 4281 bytes | +25 bytes (+0.59%) |
Zstandard (Wikipedia) | zstd | zstd -19 | 4300 bytes | +44 bytes (+1.03%) |
LZMA2 (Wikipedia) | xz | xz -9 | 4348 bytes | +92 bytes (+2.16%) |
ZPAQ (Wikipedia) | zpaq | zpaq -method 69 | 4635 bytes | +379 bytes (+8.91%) |