Boot |
52694 bytes (51.5k)
|
CDN |
Baidu |
46362 bytes (45.3k)
|
CDN |
cdnjs |
46227 bytes (45.1k)
|
CDN |
unpkg |
45917 bytes (44.8k)
|
CDN |
gzip -6 (default) |
45908 bytes (44.8k)
|
local copy |
45853 bytes (44.8k)
|
CDN | |
Yandex |
45824 bytes (44.8k)
|
CDN |
gzip -9 |
45824 bytes (44.8k)
|
local copy |
7zip -mx=9 -tgzip |
44459 bytes (43.4k)
|
local copy |
kzip -s0 -rn -b0 |
44416 bytes (43.4k)
|
local copy |
zultra |
44409 bytes (43.4k)
|
local copy |
libdeflate -12 |
44392 bytes (43.4k)
|
local copy |
pigz -11 -n |
44363 bytes (43.3k)
|
local copy |
Zopfli |
44328 bytes (43.3k)
|
local copy |
Description | Value | Parameter |
---|---|---|
iterations | 100000 | --i100000 |
maximum blocks | 8 | --mb8 |
maximum length score | 512 | --mls512 |
block splitting recursion | 23 | --bsr23 |
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 | 52694 bytes | fa392f1d76ff2c33fd9dde1aab24eedd | March 18, 2015 @ 11:05 |
cdnjs | 46227 bytes | fa392f1d76ff2c33fd9dde1aab24eedd | December 18, 2014 @ 18:00 |
unpkg | 45917 bytes | fa392f1d76ff2c33fd9dde1aab24eedd | July 11, 2016 @ 15:53 |
45853 bytes | fa392f1d76ff2c33fd9dde1aab24eedd | December 9, 2014 @ 01:59 | |
Yandex | 45824 bytes | fa392f1d76ff2c33fd9dde1aab24eedd | June 11, 2015 @ 14:17 |
CDN | Size (compressed) | MD5 (uncompressed) | Comment / Diff | Timestamp |
---|---|---|---|---|
Baidu | 46362 bytes | 7ee661ae9f7b4c32153b7b0597eb6103 | only whitespaces differ | April 3, 2015 @ 04:57 |
Size | Improvement | Parameters | Found |
---|---|---|---|
44328 bytes | -1 byte | zopfli --i100000 --mls512 --bsr23 --lazy --ohh | November 30, 2015 @ 10:15 |
44329 bytes | -1 byte | zopfli --i10000 --mls512 --bsr13 --lazy --ohh | September 8, 2015 @ 07:35 |
44330 bytes | -1 byte | zopfli --i10000 --mls512 --bsr12 --lazy --ohh | September 8, 2015 @ 07:25 |
44331 bytes | -13 bytes | zopfli --i1000 --mls512 --bsr12 --lazy --ohh | September 7, 2015 @ 17:50 |
44344 bytes | – | zopfli --i100 --mls8192 --bsr14 --lazy --ohh | September 7, 2015 @ 16:19 |
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 | 44359 | 44360 | 44357 | 44364 | 44363 | 44359 | 44361 | 44358 | 44357 | 44348 | 44350 | 44360 | 44348 | 44346 | 44354 |
4 | 44359 | 44351 | 44353 | 44357 | 44359 | 44359 | 44349 | 44347 | 44335 | 44356 | 44347 | 44354 | 44349 | 44332 | 44368 |
6 | 44347 | 44340 | 44338 | 44341 | 44340 | 44340 | 44340 | 44339 | 44337 | 44336 | 44333 | 44330 | 44334 | 44332 | 44347 |
7 | 44358 | 44340 | 44334 | 44341 | 44338 | 44333 | 44334 | 44335 | 44330 | 44336 | 44343 | 44342 | 44330 | 44332 | 44334 |
8 | 44360 | 44345 | 44335 | 44340 | 44340 | 44338 | 44338 | 44336 | 44340 | 44335 | 44333 | 44331 | 44336 | 44333 | 44345 |
9 | 44366 | 44338 | 44355 | 44358 | 44340 | 44341 | 44339 | 44334 | 44336 | 44335 | 44333 | 44332 | 44334 | 44333 | 44371 |
10 | 44359 | 44339 | 44357 | 44340 | 44339 | 44338 | 44339 | 44338 | 44330 | 44336 | 44343 | 44335 | 44335 | 44332 | 44354 |
11 | 44353 | 44352 | 44337 | 44339 | 44353 | 44342 | 44340 | 44340 | 44330 | 44335 | 44333 | 44332 | 44330 | 44333 | 44349 |
12 | 44348 | 44340 | 44341 | 44339 | 44337 | 44332 | 44337 | 44334 | 44330 | 44336 | 44332 | 44332 | 44330 | 44328 | 44346 |
13 | 44345 | 44343 | 44338 | 44353 | 44340 | 44358 | 44334 | 44334 | 44328 | 44335 | 44332 | 44332 | 44331 | 44332 | 44346 |
14 | 44353 | 44339 | 44360 | 44352 | 44337 | 44338 | 44340 | 44334 | 44337 | 44334 | 44337 | 44331 | 44332 | 44328 | 44366 |
15 | 44348 | 44345 | 44334 | 44340 | 44334 | 44332 | 44333 | 44334 | 44330 | 44337 | 44332 | 44336 | 44332 | 44332 | 44339 |
16 | 44353 | 44356 | 44342 | 44338 | 44337 | 44338 | 44340 | 44335 | 44335 | 44336 | 44340 | 44332 | 44332 | 44332 | 44340 |
17 | 44351 | 44339 | 44337 | 44341 | 44337 | 44354 | 44340 | 44338 | 44330 | 44336 | 44332 | 44331 | 44332 | 44328 | 44347 |
18 | 44349 | 44366 | 44335 | 44354 | 44352 | 44356 | 44344 | 44355 | 44330 | 44335 | 44333 | 44332 | 44331 | 44332 | 44347 |
19 | 44345 | 44365 | 44354 | 44345 | 44347 | 44346 | 44345 | 44352 | 44339 | 44336 | 44331 | 44331 | 44332 | 44332 | 44346 |
20 | 44349 | 44346 | 44358 | 44347 | 44342 | 44358 | 44352 | 44334 | 44328 | 44336 | 44337 | 44331 | 44332 | 44332 | 44339 |
21 | 44349 | 44339 | 44337 | 44342 | 44337 | 44338 | 44340 | 44334 | 44339 | 44341 | 44335 | 44330 | 44331 | 44332 | 44345 |
22 | 44355 | 44355 | 44345 | 44340 | 44340 | 44337 | 44339 | 44335 | 44341 | 44335 | 44339 | 44329 | 44335 | 44333 | 44340 |
23 | 44357 | 44338 | 44338 | 44341 | 44341 | 44338 | 44338 | 44338 | 44328 | 44335 | 44336 | 44330 | 44331 | 44332 | 44350 |
25 | 44348 | 44352 | 44364 | 44346 | 44344 | 44353 | 44338 | 44334 | 44330 | 44335 | 44333 | 44333 | 44332 | 44332 | 44347 |
30 | 44343 | 44345 | 44335 | 44340 | 44338 | 44338 | 44339 | 44333 | 44330 | 44336 | 44336 | 44331 | 44331 | 44329 | 44338 |
40 | 44343 | 44345 | 44363 | 44340 | 44338 | 44337 | 44338 | 44339 | 44328 | 44335 | 44336 | 44331 | 44331 | 44333 | 44339 |
Iterations | Min. Bytes | Reduction | Coverage |
---|---|---|---|
100 | 44344 bytes | – | 100% |
1,000 | 44330 bytes | -14 bytes | 100% |
10,000 | 44329 bytes | -1 byte | 100% |
100,000 | 44328 bytes | -1 byte | 2.61% |
1,000,000 | – | – | – |
10,000,000 | – | – | – |
Blocks | Min. Bytes | Compared To Best Zopfli | Compared To Best KZIP |
---|---|---|---|
(any) | 44416 bytes | +88 bytes (+0.20%) | – |
1 | 44417 bytes | +89 bytes (+0.20%) | +1 byte |
2 | 44430 bytes | +102 bytes (+0.23%) | +14 bytes |
3 | 44467 bytes | +139 bytes (+0.31%) | +51 bytes |
4 | 44479 bytes | +151 bytes (+0.34%) | +63 bytes |
5 | 44500 bytes | +172 bytes (+0.39%) | +84 bytes |
6 | 44489 bytes | +161 bytes (+0.36%) | +73 bytes |
7 | 44506 bytes | +178 bytes (+0.40%) | +90 bytes |
8 | 44527 bytes | +199 bytes (+0.45%) | +111 bytes |
Algorithm | Program | Parameters | Size | Compared To Best Zopfli |
---|---|---|---|---|
ZPAQ (Wikipedia) | zpaq | zpaq -method 69 | 35379 bytes | -8949 bytes (-20.19%) |
RAR (proprietary) | RAR | rar a -m5 -md64m -mc63:128t -mt1 | 37033 bytes | -7295 bytes (-16.46%) |
PPMd (Wikipedia) | 7zip | 7za a -mx=9 -m0=ppmd | 38795 bytes | -5533 bytes (-12.48%) |
Brotli (Wikipedia) | brotli | brotli -q 11 | 40706 bytes | -3622 bytes (-8.17%) |
Burrows-Wheeler transform (Wikipedia) | bzip2 | bzip2 -9 | 41605 bytes | -2723 bytes (-6.14%) |
LZMA2 (Wikipedia) | xz | xz -9 | 42180 bytes | -2148 bytes (-4.85%) |
Zstandard (Wikipedia) | zstd | zstd -19 | 43303 bytes | -1025 bytes (-2.31%) |