Boot |
45404 bytes (44.3k)
|
CDN |
cdnjs |
39956 bytes (39.0k)
|
CDN |
gzip -6 (default) |
39732 bytes (38.8k)
|
local copy |
gzip -9 |
39670 bytes (38.7k)
|
local copy |
39665 bytes (38.7k)
|
CDN | |
Yandex |
39663 bytes (38.7k)
|
CDN |
7zip -mx=9 -tgzip |
38453 bytes (37.6k)
|
local copy |
kzip -s0 -rn -b1 |
38440 bytes (37.5k)
|
local copy |
libdeflate -12 |
38430 bytes (37.5k)
|
local copy |
zultra |
38418 bytes (37.5k)
|
local copy |
pigz -11 -n |
38405 bytes (37.5k)
|
local copy |
Zopfli |
38373 bytes (37.5k)
|
local copy |
Zopfli (defluff) |
38372 bytes (37.5k)
|
local copy |
Description | Value | Parameter |
---|---|---|
iterations | 100000 | --i100000 |
maximum blocks | 8 | --mb8 |
maximum length score | 8192 | --mls8192 |
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 | 45404 bytes | 4e21ed6b76e584037140f7ae25652f62 | March 18, 2015 @ 10:33 |
cdnjs | 39956 bytes | 4e21ed6b76e584037140f7ae25652f62 | December 18, 2014 @ 18:00 |
39665 bytes | 4e21ed6b76e584037140f7ae25652f62 | September 10, 2014 @ 01:44 | |
Yandex | 39663 bytes | 4e21ed6b76e584037140f7ae25652f62 | June 11, 2015 @ 14:17 |
Size | Improvement | Parameters | Found |
---|---|---|---|
38373 bytes | -1 byte | zopfli --i100000 --mls8192 --bsr8 --lazy --ohh | November 28, 2015 @ 02:30 |
38374 bytes | -2 bytes | zopfli --i100000 --mls8 --bsr25 --lazy --ohh | November 27, 2015 @ 23:06 |
38376 bytes | -1 byte | zopfli --i1000 --mls512 --bsr13 --lazy --ohh | September 7, 2015 @ 19:38 |
38377 bytes | -1 byte | zopfli --i1000 --mls512 --bsr6 --lazy --ohh | September 7, 2015 @ 19:37 |
38378 bytes | -1 byte | zopfli --i1000 --mls512 --bsr11 --lazy --ohh | September 7, 2015 @ 19:37 |
38379 bytes | -1 byte | zopfli --i1000 --mls512 --bsr9 --lazy --ohh | September 7, 2015 @ 19:37 |
38380 bytes | -3 bytes | zopfli --i1000 --mls512 --bsr8 --lazy --ohh | September 7, 2015 @ 19:37 |
38383 bytes | – | zopfli --i100 --mls8192 --bsr8 --lazy --ohh | September 7, 2015 @ 17:01 |
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 | 38373 | 38374 | 38374 | 38377 | 38378 | 38376 | 38379 | 38378 | 38379 | 38380 | 38386 | 38381 | 38379 | 38377 | 38374 |
4 | 38382 | 38384 | 38382 | 38383 | 38383 | 38383 | 38384 | 38384 | 38385 | 38379 | 38385 | 38380 | 38380 | 38378 | 38387 |
6 | 38384 | 38380 | 38384 | 38384 | 38384 | 38381 | 38379 | 38377 | 38377 | 38386 | 38386 | 38379 | 38378 | 38377 | 38386 |
7 | 38381 | 38378 | 38377 | 38378 | 38377 | 38377 | 38379 | 38379 | 38379 | 38383 | 38386 | 38378 | 38377 | 38377 | 38384 |
8 | 38379 | 38377 | 38381 | 38377 | 38382 | 38378 | 38378 | 38380 | 38379 | 38383 | 38386 | 38377 | 38373 | 38376 | 38386 |
9 | 38381 | 38377 | 38374 | 38382 | 38373 | 38377 | 38379 | 38391 | 38377 | 38385 | 38392 | 38384 | 38380 | 38377 | 38385 |
10 | 38378 | 38375 | 38384 | 38382 | 38382 | 38385 | 38378 | 38390 | 38382 | 38383 | 38393 | 38377 | 38378 | 38376 | 38382 |
11 | 38378 | 38377 | 38382 | 38377 | 38382 | 38377 | 38378 | 38389 | 38378 | 38377 | 38392 | 38395 | 38377 | 38376 | 38383 |
12 | 38380 | 38377 | 38377 | 38377 | 38380 | 38377 | 38379 | 38379 | 38377 | 38383 | 38387 | 38377 | 38378 | 38376 | 38384 |
13 | 38379 | 38374 | 38380 | 38378 | 38378 | 38379 | 38378 | 38381 | 38374 | 38384 | 38389 | 38378 | 38377 | 38378 | 38382 |
14 | 38377 | 38374 | 38374 | 38383 | 38378 | 38377 | 38377 | 38380 | 38377 | 38383 | 38387 | 38384 | 38379 | 38376 | 38385 |
15 | 38386 | 38386 | 38385 | 38393 | 38374 | 38377 | 38379 | 38390 | 38377 | 38383 | 38387 | 38380 | 38386 | 38376 | 38380 |
16 | 38391 | 38377 | 38377 | 38389 | 38388 | 38389 | 38395 | 38390 | 38393 | 38383 | 38393 | 38380 | 38374 | 38376 | 38385 |
17 | 38378 | 38377 | 38377 | 38377 | 38373 | 38377 | 38379 | 38390 | 38394 | 38383 | 38394 | 38391 | 38377 | 38378 | 38382 |
18 | 38380 | 38381 | 38381 | 38381 | 38377 | 38378 | 38377 | 38389 | 38380 | 38383 | 38387 | 38378 | 38377 | 38376 | 38374 |
19 | 38378 | 38375 | 38377 | 38377 | 38383 | 38377 | 38379 | 38379 | 38387 | 38377 | 38387 | 38385 | 38377 | 38376 | 38386 |
20 | 38378 | 38378 | 38377 | 38377 | 38381 | 38377 | 38379 | 38389 | 38377 | 38383 | 38387 | 38387 | 38377 | 38377 | 38380 |
21 | 38378 | 38378 | 38377 | 38374 | 38377 | 38377 | 38379 | 38389 | 38377 | 38384 | 38386 | 38386 | 38378 | 38377 | 38389 |
22 | 38385 | 38385 | 38389 | 38383 | 38377 | 38377 | 38377 | 38381 | 38377 | 38383 | 38386 | 38388 | 38378 | 38378 | 38381 |
23 | 38380 | 38378 | 38377 | 38382 | 38374 | 38378 | 38379 | 38380 | 38374 | 38383 | 38388 | 38378 | 38374 | 38378 | 38380 |
25 | 38380 | 38377 | 38374 | 38377 | 38382 | 38377 | 38378 | 38380 | 38377 | 38381 | 38387 | 38380 | 38380 | 38377 | 38388 |
30 | 38379 | 38374 | 38378 | 38382 | 38382 | 38378 | 38378 | 38380 | 38377 | 38377 | 38387 | 38388 | 38377 | 38377 | 38373 |
40 | 38380 | 38377 | 38382 | 38374 | 38377 | 38378 | 38379 | 38380 | 38377 | 38381 | 38387 | 38377 | 38377 | 38378 | 38380 |
Iterations | Min. Bytes | Reduction | Coverage |
---|---|---|---|
100 | 38381 bytes | – | 100% |
1,000 | 38376 bytes | -5 bytes | 100% |
10,000 | 38376 bytes | – | 100% |
100,000 | 38373 bytes | -3 bytes | 10.14% |
1,000,000 | – | – | – |
10,000,000 | – | – | – |
Blocks | Min. Bytes | Compared To Best Zopfli | Compared To Best KZIP |
---|---|---|---|
(any) | 38445 bytes | +72 bytes (+0.19%) | +5 bytes |
1 | 38440 bytes | +67 bytes (+0.17%) | – |
2 | 38466 bytes | +93 bytes (+0.24%) | +26 bytes |
3 | 38497 bytes | +124 bytes (+0.32%) | +57 bytes |
4 | 38532 bytes | +159 bytes (+0.41%) | +92 bytes |
5 | 38524 bytes | +151 bytes (+0.39%) | +84 bytes |
6 | 38538 bytes | +165 bytes (+0.43%) | +98 bytes |
7 | 38571 bytes | +198 bytes (+0.52%) | +131 bytes |
8 | 38611 bytes | +238 bytes (+0.62%) | +171 bytes |
Algorithm | Program | Parameters | Size | Compared To Best Zopfli |
---|---|---|---|---|
ZPAQ (Wikipedia) | zpaq | zpaq -method 69 | 31108 bytes | -7265 bytes (-18.93%) |
RAR (proprietary) | RAR | rar a -m5 -md64m -mc63:128t -mt1 | 32294 bytes | -6079 bytes (-15.84%) |
PPMd (Wikipedia) | 7zip | 7za a -mx=9 -m0=ppmd | 33828 bytes | -4545 bytes (-11.84%) |
Brotli (Wikipedia) | brotli | brotli -q 11 | 35206 bytes | -3167 bytes (-8.25%) |
Burrows-Wheeler transform (Wikipedia) | bzip2 | bzip2 -9 | 36203 bytes | -2170 bytes (-5.66%) |
LZMA2 (Wikipedia) | xz | xz -9 | 36644 bytes | -1729 bytes (-4.51%) |
Zstandard (Wikipedia) | zstd | zstd -19 | 37579 bytes | -794 bytes (-2.07%) |