Boot |
45478 bytes (44.4k)
|
CDN |
cdnjs |
40018 bytes (39.1k)
|
CDN |
gzip -6 (default) |
39788 bytes (38.9k)
|
local copy |
gzip -9 |
39725 bytes (38.8k)
|
local copy |
39722 bytes (38.8k)
|
CDN | |
Yandex |
39722 bytes (38.8k)
|
CDN |
jsdelivr |
39722 bytes (38.8k)
|
CDN |
7zip -mx=9 -tgzip |
38514 bytes (37.6k)
|
local copy |
kzip -s0 -rn -b1 |
38503 bytes (37.6k)
|
local copy |
zultra |
38491 bytes (37.6k)
|
local copy |
libdeflate -12 |
38478 bytes (37.6k)
|
local copy |
pigz -11 -n |
38468 bytes (37.6k)
|
local copy |
Zopfli |
38432 bytes (37.5k)
|
local copy |
Zopfli (defluff) |
38431 bytes (37.5k)
|
local copy |
Description | Value | Parameter |
---|---|---|
iterations | 100000 | --i100000 |
maximum blocks | 8 | --mb8 |
maximum length score | 4096 | --mls4096 |
block splitting recursion | 30 | --bsr30 |
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 | 45478 bytes | 54e80189eeab605e835bddfa828ed968 | March 18, 2015 @ 10:34 |
cdnjs | 40018 bytes | 54e80189eeab605e835bddfa828ed968 | December 18, 2014 @ 18:00 |
39722 bytes | 54e80189eeab605e835bddfa828ed968 | October 3, 2014 @ 20:23 | |
Yandex | 39722 bytes | 54e80189eeab605e835bddfa828ed968 | June 11, 2015 @ 14:17 |
jsdelivr | 39722 bytes | 54e80189eeab605e835bddfa828ed968 | November 10, 2014 @ 19:18 |
Size | Improvement | Parameters | Found |
---|---|---|---|
38432 bytes | -2 bytes | zopfli --i100000 --mls4096 --bsr30 --lazy --ohh | November 27, 2015 @ 23:47 |
38434 bytes | -1 byte | zopfli --i100000 --mls32 --bsr20 --lazy --ohh | November 27, 2015 @ 23:08 |
38435 bytes | -1 byte | zopfli --i10000 --mls4096 --bsr12 --lazy --ohh | September 9, 2015 @ 11:06 |
38436 bytes | -2 bytes | zopfli --i1000 --mls4096 --bsr8 --lazy --ohh | September 7, 2015 @ 19:33 |
38438 bytes | -2 bytes | zopfli --i1000 --mls512 --bsr8 --lazy --ohh | September 7, 2015 @ 19:30 |
38440 bytes | -1 byte | zopfli --i1000 --mls512 --bsr10 --lazy --ohh | September 7, 2015 @ 19:30 |
38441 bytes | – | zopfli --i100 --mls4096 --bsr8 --lazy --ohh | September 7, 2015 @ 16:37 |
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 | 38437 | 38437 | 38437 | 38437 | 38437 | 38437 | 38438 | 38438 | 38438 | 38441 | 38445 | 38440 | 38440 | 38437 | 38436 |
4 | 38445 | 38446 | 38445 | 38444 | 38445 | 38443 | 38436 | 38446 | 38446 | 38438 | 38446 | 38444 | 38439 | 38439 | 38445 |
6 | 38440 | 38440 | 38439 | 38440 | 38439 | 38444 | 38445 | 38439 | 38451 | 38446 | 38447 | 38440 | 38438 | 38439 | 38444 |
7 | 38442 | 38439 | 38438 | 38439 | 38437 | 38455 | 38436 | 38437 | 38441 | 38439 | 38451 | 38434 | 38441 | 38440 | 38442 |
8 | 38442 | 38443 | 38438 | 38439 | 38437 | 38443 | 38444 | 38438 | 38437 | 38445 | 38445 | 38432 | 38439 | 38440 | 38446 |
9 | 38464 | 38444 | 38438 | 38439 | 38448 | 38442 | 38455 | 38453 | 38445 | 38445 | 38448 | 38436 | 38456 | 38441 | 38440 |
10 | 38462 | 38446 | 38444 | 38449 | 38446 | 38442 | 38454 | 38456 | 38436 | 38447 | 38450 | 38455 | 38439 | 38438 | 38444 |
11 | 38439 | 38442 | 38438 | 38439 | 38436 | 38443 | 38436 | 38438 | 38443 | 38439 | 38451 | 38456 | 38438 | 38440 | 38444 |
12 | 38439 | 38442 | 38438 | 38437 | 38436 | 38442 | 38437 | 38439 | 38438 | 38445 | 38440 | 38434 | 38439 | 38441 | 38440 |
13 | 38437 | 38439 | 38441 | 38438 | 38440 | 38443 | 38444 | 38437 | 38436 | 38446 | 38449 | 38442 | 38441 | 38441 | 38440 |
14 | 38438 | 38440 | 38438 | 38444 | 38436 | 38443 | 38445 | 38438 | 38445 | 38446 | 38447 | 38442 | 38441 | 38438 | 38441 |
15 | 38446 | 38446 | 38437 | 38449 | 38436 | 38442 | 38443 | 38439 | 38445 | 38445 | 38445 | 38436 | 38442 | 38441 | 38436 |
16 | 38455 | 38464 | 38436 | 38448 | 38452 | 38452 | 38454 | 38454 | 38449 | 38445 | 38455 | 38442 | 38439 | 38441 | 38442 |
17 | 38439 | 38442 | 38438 | 38456 | 38450 | 38443 | 38444 | 38453 | 38455 | 38437 | 38451 | 38455 | 38438 | 38440 | 38440 |
18 | 38442 | 38442 | 38437 | 38439 | 38438 | 38444 | 38443 | 38436 | 38442 | 38438 | 38443 | 38433 | 38438 | 38440 | 38442 |
19 | 38439 | 38441 | 38439 | 38439 | 38448 | 38442 | 38443 | 38439 | 38436 | 38445 | 38444 | 38444 | 38440 | 38438 | 38440 |
20 | 38439 | 38438 | 38438 | 38440 | 38434 | 38442 | 38443 | 38440 | 38436 | 38446 | 38447 | 38432 | 38441 | 38439 | 38442 |
21 | 38439 | 38437 | 38438 | 38439 | 38436 | 38442 | 38443 | 38439 | 38436 | 38444 | 38440 | 38436 | 38439 | 38439 | 38444 |
22 | 38465 | 38449 | 38449 | 38451 | 38436 | 38450 | 38434 | 38439 | 38445 | 38446 | 38447 | 38436 | 38440 | 38440 | 38443 |
23 | 38442 | 38445 | 38438 | 38439 | 38437 | 38442 | 38444 | 38439 | 38446 | 38444 | 38439 | 38436 | 38439 | 38440 | 38444 |
25 | 38439 | 38438 | 38439 | 38437 | 38438 | 38443 | 38443 | 38438 | 38436 | 38438 | 38451 | 38444 | 38439 | 38438 | 38439 |
30 | 38441 | 38438 | 38438 | 38443 | 38436 | 38443 | 38444 | 38439 | 38436 | 38437 | 38440 | 38432 | 38438 | 38440 | 38442 |
40 | 38439 | 38443 | 38439 | 38445 | 38436 | 38443 | 38444 | 38439 | 38436 | 38437 | 38444 | 38438 | 38439 | 38438 | 38445 |
Iterations | Min. Bytes | Reduction | Coverage |
---|---|---|---|
100 | 38441 bytes | – | 100% |
1,000 | 38436 bytes | -5 bytes | 100% |
10,000 | 38435 bytes | -1 byte | 100% |
100,000 | 38432 bytes | -3 bytes | 2.32% |
1,000,000 | – | – | – |
10,000,000 | – | – | – |
Blocks | Min. Bytes | Compared To Best Zopfli | Compared To Best KZIP |
---|---|---|---|
(any) | 38505 bytes | +73 bytes (+0.19%) | +2 bytes |
1 | 38503 bytes | +71 bytes (+0.18%) | – |
2 | 38521 bytes | +89 bytes (+0.23%) | +18 bytes |
3 | 38555 bytes | +123 bytes (+0.32%) | +52 bytes |
4 | 38585 bytes | +153 bytes (+0.40%) | +82 bytes |
5 | 38556 bytes | +124 bytes (+0.32%) | +53 bytes |
6 | 38537 bytes | +105 bytes (+0.27%) | +34 bytes |
7 | 38557 bytes | +125 bytes (+0.33%) | +54 bytes |
8 | 38575 bytes | +143 bytes (+0.37%) | +72 bytes |
Algorithm | Program | Parameters | Size | Compared To Best Zopfli |
---|---|---|---|---|
ZPAQ (Wikipedia) | zpaq | zpaq -method 69 | 31194 bytes | -7238 bytes (-18.83%) |
RAR (proprietary) | RAR | rar a -m5 -md64m -mc63:128t -mt1 | 32347 bytes | -6085 bytes (-15.83%) |
PPMd (Wikipedia) | 7zip | 7za a -mx=9 -m0=ppmd | 33881 bytes | -4551 bytes (-11.84%) |
Brotli (Wikipedia) | brotli | brotli -q 11 | 35262 bytes | -3170 bytes (-8.25%) |
Burrows-Wheeler transform (Wikipedia) | bzip2 | bzip2 -9 | 36275 bytes | -2157 bytes (-5.61%) |
LZMA2 (Wikipedia) | xz | xz -9 | 36716 bytes | -1716 bytes (-4.47%) |
Zstandard (Wikipedia) | zstd | zstd -19 | 37636 bytes | -796 bytes (-2.07%) |