Boot |
48730 bytes (47.6k)
|
CDN |
Baidu |
42640 bytes (41.6k)
|
CDN |
cdnjs |
42634 bytes (41.6k)
|
CDN |
gzip -6 (default) |
42302 bytes (41.3k)
|
local copy |
unpkg |
42275 bytes (41.3k)
|
CDN |
gzip -9 |
42186 bytes (41.2k)
|
local copy |
7zip -mx=9 -tgzip |
40795 bytes (39.8k)
|
local copy |
zultra |
40778 bytes (39.8k)
|
local copy |
libdeflate -12 |
40758 bytes (39.8k)
|
local copy |
pigz -11 -n |
40728 bytes (39.8k)
|
local copy |
kzip -s0 -rn -b8 |
40647 bytes (39.7k)
|
local copy |
Zopfli |
40500 bytes (39.6k)
|
local copy |
Zopfli (defluff) |
40499 bytes (39.5k)
|
local copy |
Description | Value | Parameter |
---|---|---|
iterations | 100000 | --i100000 |
maximum blocks | 8 | --mb8 |
maximum length score | 2048 | --mls2048 |
block splitting recursion | 14 | --bsr14 |
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 | 48730 bytes | 902138926b2ec42418ab8f8c79f73018 | (invalid) |
cdnjs | 42634 bytes | 902138926b2ec42418ab8f8c79f73018 | (invalid) |
unpkg | 42275 bytes | 902138926b2ec42418ab8f8c79f73018 | July 11, 2016 @ 16:32 |
CDN | Size (compressed) | MD5 (uncompressed) | Comment / Diff | Timestamp |
---|---|---|---|---|
Baidu | 42640 bytes | f97d80e59be3363154beb098121fa7d9 | only whitespaces differ | (invalid) |
Size | Improvement | Parameters | Found |
---|---|---|---|
40500 bytes | -5 bytes | zopfli --i100000 --mls2048 --bsr14 --lazy --ohh | November 23, 2015 @ 16:59 |
40505 bytes | -5 bytes | zopfli --i10000 --mls2048 --bsr14 --lazy --ohh | November 23, 2015 @ 15:59 |
40510 bytes | -9 bytes | zopfli --i1000 --mls2048 --bsr14 --lazy --ohh | September 20, 2015 @ 21:13 |
40519 bytes | -2 bytes | zopfli --i1000 --mls2048 --bsr11 --lazy --ohh | September 20, 2015 @ 21:10 |
40521 bytes | -5 bytes | zopfli --i1000 --mls512 --bsr6 --lazy --ohh | September 20, 2015 @ 20:58 |
40526 bytes | – | zopfli --i100 --mls2048 --bsr14 --lazy --ohh | September 18, 2015 @ 21:19 |
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 | 40630 | 40625 | 40632 | 40697 | 40631 | 40631 | 40640 | 40693 | 40645 | 40719 | 40720 | 40643 | 40718 | 40716 | 40727 |
4 | 40695 | 40605 | 40699 | 40700 | 40692 | 40696 | 40706 | 40683 | 40700 | 40721 | 40523 | 40548 | 40723 | 40635 | 40704 |
6 | 40566 | 40688 | 40695 | 40556 | 40570 | 40532 | 40690 | 40695 | 40519 | 40719 | 40715 | 40712 | 40719 | 40593 | 40727 |
7 | 40614 | 40609 | 40687 | 40538 | 40691 | 40695 | 40578 | 40583 | 40563 | 40545 | 40682 | 40585 | 40720 | 40575 | 40718 |
8 | 40546 | 40580 | 40613 | 40699 | 40556 | 40597 | 40564 | 40696 | 40576 | 40535 | 40585 | 40611 | 40718 | 40562 | 40706 |
9 | 40685 | 40689 | 40556 | 40543 | 40684 | 40579 | 40559 | 40693 | 40602 | 40712 | 40577 | 40709 | 40716 | 40564 | 40716 |
10 | 40537 | 40556 | 40545 | 40550 | 40698 | 40579 | 40585 | 40565 | 40566 | 40572 | 40575 | 40568 | 40719 | 40577 | 40718 |
11 | 40566 | 40513 | 40561 | 40560 | 40601 | 40546 | 40572 | 40701 | 40701 | 40719 | 40517 | 40631 | 40718 | 40626 | 40598 |
12 | 40574 | 40538 | 40559 | 40534 | 40700 | 40554 | 40562 | 40579 | 40561 | 40719 | 40527 | 40580 | 40718 | 40624 | 40600 |
13 | 40573 | 40565 | 40696 | 40557 | 40558 | 40561 | 40604 | 40574 | 40589 | 40719 | 40719 | 40713 | 40721 | 40581 | 40720 |
14 | 40567 | 40520 | 40561 | 40534 | 40697 | 40523 | 40598 | 40571 | 40561 | 40522 | 40500 | 40583 | 40721 | 40622 | 40724 |
15 | 40560 | 40629 | 40593 | 40583 | 40562 | 40578 | 40586 | 40583 | 40597 | 40721 | 40572 | 40540 | 40705 | 40590 | 40732 |
16 | 40699 | 40589 | 40593 | 40561 | 40527 | 40555 | 40591 | 40578 | 40698 | 40532 | 40518 | 40576 | 40734 | 40624 | 40716 |
17 | 40574 | 40548 | 40564 | 40565 | 40549 | 40562 | 40691 | 40581 | 40686 | 40705 | 40591 | 40580 | 40720 | 40589 | 40716 |
18 | 40577 | 40602 | 40627 | 40556 | 40546 | 40571 | 40577 | 40595 | 40579 | 40588 | 40571 | 40578 | 40587 | 40624 | 40717 |
19 | 40579 | 40553 | 40701 | 40571 | 40516 | 40524 | 40584 | 40582 | 40573 | 40706 | 40516 | 40589 | 40703 | 40716 | 40716 |
20 | 40576 | 40631 | 40695 | 40564 | 40577 | 40554 | 40573 | 40688 | 40603 | 40719 | 40719 | 40589 | 40720 | 40612 | 40603 |
21 | 40567 | 40591 | 40696 | 40581 | 40517 | 40520 | 40637 | 40581 | 40586 | 40545 | 40574 | 40572 | 40720 | 40613 | 40716 |
22 | 40575 | 40577 | 40632 | 40556 | 40698 | 40549 | 40558 | 40584 | 40571 | 40719 | 40719 | 40584 | 40721 | 40634 | 40718 |
23 | 40570 | 40535 | 40683 | 40561 | 40694 | 40551 | 40569 | 40573 | 40570 | 40721 | 40583 | 40598 | 40702 | 40614 | 40716 |
25 | 40569 | 40553 | 40563 | 40531 | 40559 | 40537 | 40537 | 40692 | 40564 | 40719 | 40719 | 40598 | 40715 | 40624 | 40714 |
30 | 40571 | 40587 | 40595 | 40601 | 40585 | 40589 | 40577 | 40587 | 40583 | 40586 | 40585 | 40582 | 40718 | 40624 | 40716 |
40 | 40567 | 40557 | 40696 | 40559 | 40696 | 40587 | 40599 | 40580 | 40558 | 40720 | 40714 | 40584 | 40715 | 40619 | 40596 |
Iterations | Min. Bytes | Reduction | Coverage |
---|---|---|---|
100 | 40526 bytes | – | 100% |
1,000 | 40510 bytes | -16 bytes | 100% |
10,000 | 40505 bytes | -5 bytes | 100% |
100,000 | 40500 bytes | -5 bytes | 0.29% |
1,000,000 | – | – | – |
10,000,000 | – | – | – |
Blocks | Min. Bytes | Compared To Best Zopfli | Compared To Best KZIP |
---|---|---|---|
(any) | 40737 bytes | +237 bytes (+0.59%) | +90 bytes |
1 | 40742 bytes | +242 bytes (+0.60%) | +95 bytes |
2 | 40739 bytes | +239 bytes (+0.59%) | +92 bytes |
3 | 40752 bytes | +252 bytes (+0.62%) | +105 bytes |
4 | 40751 bytes | +251 bytes (+0.62%) | +104 bytes |
5 | 40771 bytes | +271 bytes (+0.67%) | +124 bytes |
6 | 40760 bytes | +260 bytes (+0.64%) | +113 bytes |
7 | 40747 bytes | +247 bytes (+0.61%) | +100 bytes |
8 | 40647 bytes | +147 bytes (+0.36%) | – |
Algorithm | Program | Parameters | Size | Compared To Best Zopfli |
---|---|---|---|---|
ZPAQ (Wikipedia) | zpaq | zpaq -method 69 | 32812 bytes | -7688 bytes (-18.98%) |
RAR (proprietary) | RAR | rar a -m5 -md64m -mc63:128t -mt1 | 34622 bytes | -5878 bytes (-14.51%) |
PPMd (Wikipedia) | 7zip | 7za a -mx=9 -m0=ppmd | 36076 bytes | -4424 bytes (-10.92%) |
Brotli (Wikipedia) | brotli | brotli -q 11 | 36855 bytes | -3645 bytes (-9.00%) |
LZMA2 (Wikipedia) | xz | xz -9 | 37632 bytes | -2868 bytes (-7.08%) |
Burrows-Wheeler transform (Wikipedia) | bzip2 | bzip2 -9 | 39208 bytes | -1292 bytes (-3.19%) |
Zstandard (Wikipedia) | zstd | zstd -19 | 39283 bytes | -1217 bytes (-3.00%) |