Boot |
52512 bytes (51.3k)
|
CDN |
unpkg |
50964 bytes (49.8k)
|
CDN |
Baidu |
46228 bytes (45.1k)
|
CDN |
cdnjs |
46104 bytes (45.0k)
|
CDN |
gzip -6 (default) |
45794 bytes (44.7k)
|
local copy |
45737 bytes (44.7k)
|
CDN | |
Yandex |
45709 bytes (44.6k)
|
CDN |
gzip -9 |
45709 bytes (44.6k)
|
local copy |
jsdelivr |
45709 bytes (44.6k)
|
CDN |
7zip -mx=9 -tgzip |
44353 bytes (43.3k)
|
local copy |
libdeflate -12 |
44331 bytes (43.3k)
|
local copy |
zultra |
44325 bytes (43.3k)
|
local copy |
kzip -s0 -rn -b1 |
44315 bytes (43.3k)
|
local copy |
pigz -11 -n |
44263 bytes (43.2k)
|
local copy |
Zopfli |
44225 bytes (43.2k)
|
local copy |
Zopfli (defluff) |
44223 bytes (43.2k)
|
local copy |
Description | Value | Parameter |
---|---|---|
iterations | 100000 | --i100000 |
maximum blocks | 8 | --mb8 |
maximum length score | 256 | --mls256 |
block splitting recursion | 21 | --bsr21 |
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 | 52512 bytes | 2a7c8cc034412334c3859b19c37f75d7 | March 18, 2015 @ 11:03 |
unpkg | 50964 bytes | 2a7c8cc034412334c3859b19c37f75d7 | July 11, 2016 @ 15:53 |
cdnjs | 46104 bytes | 2a7c8cc034412334c3859b19c37f75d7 | December 18, 2014 @ 18:00 |
45737 bytes | 2a7c8cc034412334c3859b19c37f75d7 | November 25, 2014 @ 01:00 | |
Yandex | 45709 bytes | 2a7c8cc034412334c3859b19c37f75d7 | June 11, 2015 @ 14:17 |
jsdelivr | 45709 bytes | 2a7c8cc034412334c3859b19c37f75d7 | November 25, 2014 @ 21:01 |
CDN | Size (compressed) | MD5 (uncompressed) | Comment / Diff | Timestamp |
---|---|---|---|---|
Baidu | 46228 bytes | 6cac4aa39be702ec4e6b13569325173a | only whitespaces differ | April 3, 2015 @ 04:57 |
Size | Improvement | Parameters | Found |
---|---|---|---|
44225 bytes | -1 byte | zopfli --i100000 --mls256 --bsr21 --lazy --ohh | November 30, 2015 @ 11:02 |
44226 bytes | -1 byte | zopfli --i100000 --mls128 --bsr22 --lazy --ohh | November 30, 2015 @ 10:15 |
44227 bytes | -2 bytes | zopfli --i10000 --mls256 --bsr21 --lazy --ohh | October 13, 2015 @ 21:32 |
44229 bytes | -1 byte | zopfli --i10000 --mls1024 --bsr8 --lazy --ohh | September 8, 2015 @ 09:11 |
44230 bytes | -2 bytes | zopfli --i10000 --mls512 --bsr16 --lazy --ohh | September 8, 2015 @ 09:05 |
44232 bytes | -4 bytes | zopfli --i10000 --mls512 --bsr6 --lazy --ohh | September 8, 2015 @ 09:00 |
44236 bytes | -1 byte | zopfli --i1000 --mls1024 --bsr10 --lazy --ohh | September 7, 2015 @ 18:00 |
44237 bytes | – | zopfli --i100 --mls2048 --bsr8 --lazy --ohh | September 7, 2015 @ 16:56 |
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 | 44260 | 44256 | 44264 | 44260 | 44248 | 44248 | 44253 | 44259 | 44258 | 44263 | 44250 | 44251 | 44250 | 44244 | 44250 |
4 | 44268 | 44273 | 44271 | 44269 | 44272 | 44264 | 44260 | 44247 | 44252 | 44253 | 44246 | 44233 | 44230 | 44235 | 44265 |
6 | 44269 | 44256 | 44234 | 44233 | 44235 | 44234 | 44233 | 44233 | 44232 | 44230 | 44231 | 44231 | 44237 | 44236 | 44242 |
7 | 44233 | 44234 | 44252 | 44232 | 44233 | 44233 | 44233 | 44230 | 44234 | 44230 | 44230 | 44234 | 44237 | 44234 | 44236 |
8 | 44269 | 44243 | 44238 | 44231 | 44235 | 44233 | 44230 | 44231 | 44231 | 44229 | 44229 | 44230 | 44235 | 44235 | 44229 |
9 | 44254 | 44243 | 44257 | 44264 | 44232 | 44233 | 44257 | 44225 | 44233 | 44230 | 44230 | 44231 | 44236 | 44233 | 44236 |
10 | 44258 | 44259 | 44237 | 44231 | 44236 | 44233 | 44233 | 44249 | 44233 | 44231 | 44230 | 44231 | 44234 | 44236 | 44247 |
11 | 44254 | 44258 | 44251 | 44270 | 44232 | 44261 | 44242 | 44249 | 44234 | 44229 | 44229 | 44230 | 44235 | 44233 | 44236 |
12 | 44256 | 44238 | 44251 | 44246 | 44233 | 44258 | 44230 | 44251 | 44236 | 44229 | 44232 | 44230 | 44235 | 44233 | 44236 |
13 | 44265 | 44257 | 44240 | 44264 | 44232 | 44233 | 44233 | 44232 | 44233 | 44233 | 44229 | 44230 | 44235 | 44230 | 44236 |
14 | 44271 | 44243 | 44238 | 44261 | 44233 | 44233 | 44233 | 44227 | 44233 | 44229 | 44230 | 44231 | 44235 | 44234 | 44239 |
15 | 44246 | 44244 | 44252 | 44232 | 44233 | 44233 | 44234 | 44234 | 44235 | 44230 | 44230 | 44235 | 44234 | 44234 | 44236 |
16 | 44265 | 44244 | 44238 | 44231 | 44236 | 44234 | 44232 | 44233 | 44230 | 44234 | 44234 | 44231 | 44236 | 44233 | 44236 |
17 | 44255 | 44256 | 44257 | 44243 | 44252 | 44252 | 44251 | 44226 | 44229 | 44229 | 44231 | 44231 | 44236 | 44233 | 44239 |
18 | 44263 | 44257 | 44268 | 44269 | 44259 | 44251 | 44249 | 44249 | 44230 | 44229 | 44228 | 44231 | 44234 | 44233 | 44267 |
19 | 44256 | 44243 | 44273 | 44266 | 44260 | 44261 | 44233 | 44242 | 44229 | 44248 | 44248 | 44231 | 44234 | 44234 | 44236 |
20 | 44265 | 44266 | 44240 | 44258 | 44232 | 44233 | 44233 | 44230 | 44230 | 44229 | 44235 | 44230 | 44235 | 44233 | 44236 |
21 | 44246 | 44243 | 44251 | 44234 | 44233 | 44233 | 44233 | 44225 | 44230 | 44230 | 44230 | 44231 | 44236 | 44236 | 44234 |
22 | 44252 | 44243 | 44239 | 44231 | 44233 | 44233 | 44226 | 44230 | 44230 | 44232 | 44228 | 44230 | 44236 | 44234 | 44236 |
23 | 44265 | 44257 | 44252 | 44233 | 44234 | 44233 | 44233 | 44233 | 44235 | 44231 | 44229 | 44229 | 44234 | 44234 | 44237 |
25 | 44264 | 44260 | 44272 | 44269 | 44267 | 44257 | 44233 | 44229 | 44230 | 44229 | 44229 | 44234 | 44234 | 44234 | 44236 |
30 | 44262 | 44240 | 44251 | 44231 | 44234 | 44233 | 44233 | 44226 | 44233 | 44230 | 44230 | 44231 | 44234 | 44234 | 44241 |
40 | 44264 | 44269 | 44251 | 44231 | 44233 | 44232 | 44233 | 44229 | 44230 | 44230 | 44230 | 44231 | 44234 | 44236 | 44246 |
Iterations | Min. Bytes | Reduction | Coverage |
---|---|---|---|
100 | 44237 bytes | – | 100% |
1,000 | 44233 bytes | -4 bytes | 100% |
10,000 | 44227 bytes | -6 bytes | 100% |
100,000 | 44225 bytes | -2 bytes | 1.74% |
1,000,000 | – | – | – |
10,000,000 | – | – | – |
Blocks | Min. Bytes | Compared To Best Zopfli | Compared To Best KZIP |
---|---|---|---|
(any) | 44315 bytes | +90 bytes (+0.20%) | – |
1 | 44315 bytes | +90 bytes (+0.20%) | – |
2 | 44334 bytes | +109 bytes (+0.25%) | +19 bytes |
3 | 44364 bytes | +139 bytes (+0.31%) | +49 bytes |
4 | 44376 bytes | +151 bytes (+0.34%) | +61 bytes |
5 | 44398 bytes | +173 bytes (+0.39%) | +83 bytes |
6 | 44381 bytes | +156 bytes (+0.35%) | +66 bytes |
7 | 44398 bytes | +173 bytes (+0.39%) | +83 bytes |
8 | 44425 bytes | +200 bytes (+0.45%) | +110 bytes |
Algorithm | Program | Parameters | Size | Compared To Best Zopfli |
---|---|---|---|---|
ZPAQ (Wikipedia) | zpaq | zpaq -method 69 | 35311 bytes | -8914 bytes (-20.16%) |
RAR (proprietary) | RAR | rar a -m5 -md64m -mc63:128t -mt1 | 36916 bytes | -7309 bytes (-16.53%) |
PPMd (Wikipedia) | 7zip | 7za a -mx=9 -m0=ppmd | 38683 bytes | -5542 bytes (-12.53%) |
Brotli (Wikipedia) | brotli | brotli -q 11 | 40595 bytes | -3630 bytes (-8.21%) |
Burrows-Wheeler transform (Wikipedia) | bzip2 | bzip2 -9 | 41389 bytes | -2836 bytes (-6.41%) |
LZMA2 (Wikipedia) | xz | xz -9 | 42052 bytes | -2173 bytes (-4.91%) |
Zstandard (Wikipedia) | zstd | zstd -19 | 43180 bytes | -1045 bytes (-2.36%) |