Boot |
18809 bytes (18.4k)
|
CDN |
cdnjs |
16064 bytes (15.7k)
|
CDN |
Baidu |
16043 bytes (15.7k)
|
CDN |
gzip -6 (default) |
15925 bytes (15.6k)
|
local copy |
gzip -9 |
15882 bytes (15.5k)
|
local copy |
15875 bytes (15.5k)
|
CDN | |
libdeflate -12 |
15347 bytes (15.0k)
|
local copy |
kzip -s0 -rn -b1 |
15336 bytes (15.0k)
|
local copy |
7zip -mx=9 -tgzip |
15321 bytes (15.0k)
|
local copy |
zultra |
15318 bytes (15.0k)
|
local copy |
pigz -11 -n |
15290 bytes (14.9k)
|
local copy |
Zopfli |
15276 bytes (14.9k)
|
local copy |
Description | Value | Parameter |
---|---|---|
iterations | 100000 | --i100000 |
maximum blocks | 8 | --mb8 |
maximum length score | 2048 | --mls2048 |
block splitting recursion | 8 | --bsr8 |
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 | 18809 bytes | bb122b33d64d02a106bf2230b2d41af0 | March 18, 2015 @ 09:41 |
cdnjs | 16064 bytes | bb122b33d64d02a106bf2230b2d41af0 | (invalid) |
CDN | Size (compressed) | MD5 (uncompressed) | Comment / Diff | Timestamp |
---|---|---|---|---|
Baidu | 16043 bytes | 8a18bb573169e8f7398b15046fd0b955 |
< * $Date: 2008-02-06 00:21:25 -0500 (Wed, 06 Feb 2008) $ > * $Date: 2008/05/23 $ |
January 7, 2015 @ 10:16 |
15875 bytes | 01a6072dcd347a552d047c48d23d2076 |
< * $Date: 2008-02-06 00:21:25 -0500 (Wed, 06 Feb 2008) $ > * $Date: 2008/05/23 $ |
(invalid) |
Size | Improvement | Parameters | Found |
---|---|---|---|
15276 bytes | -1 byte | zopfli --i100000 --mls2048 --bsr8 --lazy --ohh | September 2, 2015 @ 02:17 |
15277 bytes | -2 bytes | zopfli --i10000 --mls2048 --bsr8 --lazy --ohh | September 1, 2015 @ 21:32 |
15279 bytes | -3 bytes | zopfli --i1000 --mls2048 --bsr8 --lazy --ohh | September 1, 2015 @ 20:40 |
15282 bytes | – | zopfli --i100 --mls2048 --bsr13 --lazy --ohh | September 1, 2015 @ 20:17 |
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 | 15298 | 15300 | 15290 | 15290 | 15290 | 15291 | 15290 | 15292 | 15292 | 15288 | 15286 | 15288 | 15291 | 15299 | 15290 |
4 | 15295 | 15295 | 15282 | 15291 | 15284 | 15291 | 15283 | 15285 | 15283 | 15284 | 15278 | 15283 | 15282 | 15289 | 15286 |
6 | 15293 | 15303 | 15286 | 15283 | 15283 | 15285 | 15281 | 15289 | 15283 | 15282 | 15282 | 15281 | 15280 | 15296 | 15286 |
7 | 15296 | 15294 | 15295 | 15293 | 15288 | 15298 | 15295 | 15280 | 15280 | 15281 | 15282 | 15280 | 15297 | 15292 | 15285 |
8 | 15299 | 15285 | 15282 | 15281 | 15286 | 15284 | 15283 | 15285 | 15282 | 15286 | 15276 | 15279 | 15296 | 15289 | 15283 |
9 | 15294 | 15295 | 15294 | 15280 | 15279 | 15281 | 15280 | 15284 | 15283 | 15284 | 15280 | 15285 | 15281 | 15296 | 15283 |
10 | 15283 | 15293 | 15286 | 15281 | 15281 | 15282 | 15283 | 15283 | 15281 | 15281 | 15277 | 15284 | 15295 | 15291 | 15287 |
11 | 15282 | 15283 | 15281 | 15282 | 15285 | 15285 | 15282 | 15285 | 15284 | 15284 | 15282 | 15284 | 15281 | 15291 | 15279 |
12 | 15282 | 15281 | 15282 | 15285 | 15283 | 15278 | 15283 | 15282 | 15282 | 15282 | 15279 | 15282 | 15280 | 15281 | 15284 |
13 | 15293 | 15294 | 15294 | 15294 | 15284 | 15278 | 15284 | 15283 | 15282 | 15285 | 15278 | 15281 | 15296 | 15293 | 15298 |
14 | 15298 | 15285 | 15284 | 15281 | 15285 | 15285 | 15280 | 15283 | 15283 | 15285 | 15281 | 15281 | 15279 | 15283 | 15283 |
15 | 15296 | 15297 | 15294 | 15280 | 15279 | 15280 | 15285 | 15279 | 15280 | 15281 | 15276 | 15278 | 15283 | 15292 | 15285 |
16 | 15297 | 15297 | 15292 | 15282 | 15279 | 15291 | 15281 | 15280 | 15282 | 15282 | 15277 | 15282 | 15298 | 15296 | 15280 |
17 | 15294 | 15279 | 15280 | 15279 | 15282 | 15282 | 15285 | 15280 | 15282 | 15284 | 15277 | 15280 | 15290 | 15288 | 15284 |
18 | 15294 | 15293 | 15297 | 15279 | 15279 | 15280 | 15283 | 15283 | 15283 | 15283 | 15282 | 15279 | 15281 | 15296 | 15285 |
19 | 15283 | 15281 | 15280 | 15285 | 15283 | 15280 | 15282 | 15281 | 15282 | 15280 | 15277 | 15280 | 15281 | 15292 | 15285 |
20 | 15295 | 15281 | 15284 | 15281 | 15284 | 15281 | 15283 | 15282 | 15281 | 15283 | 15277 | 15282 | 15281 | 15284 | 15284 |
21 | 15282 | 15293 | 15280 | 15281 | 15279 | 15280 | 15281 | 15281 | 15282 | 15284 | 15277 | 15281 | 15281 | 15296 | 15285 |
22 | 15296 | 15293 | 15282 | 15285 | 15283 | 15284 | 15283 | 15282 | 15284 | 15283 | 15278 | 15283 | 15281 | 15296 | 15283 |
23 | 15282 | 15281 | 15283 | 15280 | 15285 | 15282 | 15284 | 15285 | 15283 | 15284 | 15278 | 15285 | 15295 | 15291 | 15280 |
25 | 15294 | 15282 | 15281 | 15285 | 15284 | 15281 | 15280 | 15282 | 15284 | 15284 | 15277 | 15280 | 15282 | 15292 | 15279 |
30 | 15289 | 15278 | 15280 | 15286 | 15279 | 15282 | 15284 | 15285 | 15280 | 15281 | 15283 | 15281 | 15277 | 15290 | 15283 |
40 | 15293 | 15293 | 15293 | 15279 | 15284 | 15283 | 15283 | 15284 | 15286 | 15280 | 15281 | 15283 | 15281 | 15296 | 15285 |
Iterations | Min. Bytes | Reduction | Coverage |
---|---|---|---|
100 | 15279 bytes | – | 100% |
1,000 | 15278 bytes | -1 byte | 100% |
10,000 | 15276 bytes | -2 bytes | 100% |
100,000 | 15276 bytes | – | 0.58% |
1,000,000 | – | – | – |
10,000,000 | – | – | – |
Blocks | Min. Bytes | Compared To Best Zopfli | Compared To Best KZIP |
---|---|---|---|
(any) | 15336 bytes | +60 bytes (+0.39%) | – |
1 | 15336 bytes | +60 bytes (+0.39%) | – |
2 | 15351 bytes | +75 bytes (+0.49%) | +15 bytes |
3 | 15367 bytes | +91 bytes (+0.60%) | +31 bytes |
4 | 15402 bytes | +126 bytes (+0.82%) | +66 bytes |
5 | 15397 bytes | +121 bytes (+0.79%) | +61 bytes |
6 | 15440 bytes | +164 bytes (+1.07%) | +104 bytes |
7 | 15464 bytes | +188 bytes (+1.23%) | +128 bytes |
8 | 15479 bytes | +203 bytes (+1.33%) | +143 bytes |
Algorithm | Program | Parameters | Size | Compared To Best Zopfli |
---|---|---|---|---|
ZPAQ (Wikipedia) | zpaq | zpaq -method 69 | 12948 bytes | -2328 bytes (-15.24%) |
RAR (proprietary) | RAR | rar a -m5 -md64m -mc63:128t -mt1 | 13141 bytes | -2135 bytes (-13.98%) |
PPMd (Wikipedia) | 7zip | 7za a -mx=9 -m0=ppmd | 14210 bytes | -1066 bytes (-6.98%) |
Brotli (Wikipedia) | brotli | brotli -q 11 | 14384 bytes | -892 bytes (-5.84%) |
Burrows-Wheeler transform (Wikipedia) | bzip2 | bzip2 -9 | 14922 bytes | -354 bytes (-2.32%) |
LZMA2 (Wikipedia) | xz | xz -9 | 15124 bytes | -152 bytes (-1.00%) |
Zstandard (Wikipedia) | zstd | zstd -19 | 15251 bytes | -25 bytes (-0.16%) |