Boot |
53556 bytes (52.3k)
|
CDN |
Baidu |
46727 bytes (45.6k)
|
CDN |
cdnjs |
46715 bytes (45.6k)
|
CDN |
gzip -6 (default) |
46426 bytes (45.3k)
|
local copy |
unpkg |
46295 bytes (45.2k)
|
CDN |
gzip -9 |
46240 bytes (45.2k)
|
local copy |
zultra |
44748 bytes (43.7k)
|
local copy |
7zip -mx=9 -tgzip |
44720 bytes (43.7k)
|
local copy |
libdeflate -12 |
44712 bytes (43.7k)
|
local copy |
kzip -s0 -rn -b7 |
44644 bytes (43.6k)
|
local copy |
pigz -11 -n |
44491 bytes (43.4k)
|
local copy |
Zopfli |
44434 bytes (43.4k)
|
local copy |
Zopfli (defluff) |
44431 bytes (43.4k)
|
local copy |
Description | Value | Parameter |
---|---|---|
iterations | 100000 | --i100000 |
maximum blocks | 8 | --mb8 |
maximum length score | 512 | --mls512 |
block splitting recursion | 13 | --bsr13 |
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 | 53556 bytes | f7fd295d6f9d956d87d9c91517aa6458 | (invalid) |
cdnjs | 46715 bytes | f7fd295d6f9d956d87d9c91517aa6458 | (invalid) |
unpkg | 46295 bytes | f7fd295d6f9d956d87d9c91517aa6458 | July 11, 2016 @ 16:32 |
CDN | Size (compressed) | MD5 (uncompressed) | Comment / Diff | Timestamp |
---|---|---|---|---|
Baidu | 46727 bytes | a1685e633475d59210f845e9cea7bf8f | only whitespaces differ | (invalid) |
Size | Improvement | Parameters | Found |
---|---|---|---|
44434 bytes | -8 bytes | zopfli --i100000 --mls512 --bsr13 --lazy --ohh | December 21, 2015 @ 13:37 |
44442 bytes | -3 bytes | zopfli --i10000 --mls512 --bsr13 --lazy --ohh | November 23, 2015 @ 17:17 |
44445 bytes | -4 bytes | zopfli --i1000 --mls512 --bsr13 --lazy --ohh | September 20, 2015 @ 12:50 |
44449 bytes | -2 bytes | zopfli --i1000 --mls1024 --bsr11 --lazy --ohh | September 20, 2015 @ 12:44 |
44451 bytes | – | zopfli --i100 --mls512 --bsr13 --lazy --ohh | September 18, 2015 @ 20:33 |
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 | 44628 | 44618 | 44620 | 44619 | 44620 | 44621 | 44549 | 44638 | 44612 | 44609 | 44621 | 44639 | 44633 | 44627 | 44631 |
4 | 44541 | 44600 | 44507 | 44594 | 44614 | 44500 | 44558 | 44590 | 44644 | 44627 | 44522 | 44601 | 44629 | 44524 | 44606 |
6 | 44500 | 44470 | 44536 | 44547 | 44546 | 44526 | 44509 | 44471 | 44467 | 44461 | 44502 | 44451 | 44629 | 44640 | 44623 |
7 | 44617 | 44481 | 44619 | 44604 | 44504 | 44514 | 44478 | 44537 | 44494 | 44446 | 44470 | 44460 | 44623 | 44609 | 44628 |
8 | 44490 | 44510 | 44563 | 44601 | 44496 | 44511 | 44502 | 44518 | 44499 | 44455 | 44514 | 44528 | 44623 | 44642 | 44507 |
9 | 44508 | 44490 | 44516 | 44605 | 44609 | 44498 | 44489 | 44526 | 44574 | 44627 | 44469 | 44582 | 44630 | 44639 | 44637 |
10 | 44485 | 44478 | 44615 | 44522 | 44528 | 44519 | 44499 | 44598 | 44593 | 44445 | 44465 | 44490 | 44628 | 44638 | 44608 |
11 | 44518 | 44479 | 44611 | 44515 | 44535 | 44497 | 44480 | 44519 | 44446 | 44444 | 44475 | 44521 | 44630 | 44626 | 44622 |
12 | 44620 | 44494 | 44564 | 44510 | 44534 | 44503 | 44499 | 44517 | 44471 | 44444 | 44467 | 44563 | 44633 | 44640 | 44622 |
13 | 44503 | 44481 | 44614 | 44505 | 44529 | 44495 | 44485 | 44528 | 44434 | 44448 | 44464 | 44469 | 44622 | 44644 | 44621 |
14 | 44476 | 44501 | 44544 | 44516 | 44536 | 44497 | 44497 | 44510 | 44593 | 44445 | 44515 | 44561 | 44643 | 44639 | 44622 |
15 | 44622 | 44478 | 44542 | 44517 | 44531 | 44507 | 44497 | 44579 | 44580 | 44446 | 44471 | 44579 | 44633 | 44531 | 44599 |
16 | 44497 | 44523 | 44613 | 44512 | 44514 | 44506 | 44498 | 44517 | 44634 | 44444 | 44469 | 44623 | 44628 | 44638 | 44638 |
17 | 44483 | 44483 | 44618 | 44603 | 44533 | 44505 | 44496 | 44519 | 44470 | 44457 | 44463 | 44624 | 44641 | 44643 | 44624 |
18 | 44478 | 44476 | 44509 | 44515 | 44530 | 44563 | 44500 | 44485 | 44500 | 44440 | 44464 | 44487 | 44634 | 44531 | 44495 |
19 | 44492 | 44549 | 44614 | 44503 | 44533 | 44500 | 44496 | 44509 | 44451 | 44446 | 44467 | 44557 | 44630 | 44638 | 44624 |
20 | 44501 | 44505 | 44516 | 44516 | 44531 | 44506 | 44500 | 44513 | 44590 | 44448 | 44462 | 44564 | 44624 | 44626 | 44599 |
21 | 44482 | 44484 | 44519 | 44510 | 44527 | 44527 | 44503 | 44586 | 44582 | 44447 | 44489 | 44461 | 44632 | 44508 | 44632 |
22 | 44627 | 44487 | 44615 | 44519 | 44533 | 44523 | 44502 | 44528 | 44454 | 44447 | 44502 | 44506 | 44641 | 44641 | 44639 |
23 | 44487 | 44484 | 44553 | 44598 | 44529 | 44494 | 44499 | 44520 | 44453 | 44445 | 44529 | 44468 | 44641 | 44640 | 44639 |
25 | 44482 | 44479 | 44535 | 44509 | 44532 | 44509 | 44499 | 44578 | 44592 | 44444 | 44466 | 44579 | 44634 | 44641 | 44632 |
30 | 44506 | 44481 | 44611 | 44530 | 44531 | 44504 | 44496 | 44511 | 44593 | 44447 | 44467 | 44586 | 44642 | 44618 | 44632 |
40 | 44484 | 44470 | 44534 | 44605 | 44521 | 44521 | 44499 | 44586 | 44468 | 44447 | 44466 | 44567 | 44629 | 44638 | 44623 |
Iterations | Min. Bytes | Reduction | Coverage |
---|---|---|---|
100 | 44451 bytes | – | 100% |
1,000 | 44445 bytes | -6 bytes | 100% |
10,000 | 44442 bytes | -3 bytes | 100% |
100,000 | 44434 bytes | -8 bytes | 0.58% |
1,000,000 | – | – | – |
10,000,000 | – | – | – |
Blocks | Min. Bytes | Compared To Best Zopfli | Compared To Best KZIP |
---|---|---|---|
(any) | 44656 bytes | +222 bytes (+0.50%) | +12 bytes |
1 | 44661 bytes | +227 bytes (+0.51%) | +17 bytes |
2 | 44661 bytes | +227 bytes (+0.51%) | +17 bytes |
3 | 44671 bytes | +237 bytes (+0.53%) | +27 bytes |
4 | 44704 bytes | +270 bytes (+0.61%) | +60 bytes |
5 | 44723 bytes | +289 bytes (+0.65%) | +79 bytes |
6 | 44697 bytes | +263 bytes (+0.59%) | +53 bytes |
7 | 44644 bytes | +210 bytes (+0.47%) | – |
8 | 44649 bytes | +215 bytes (+0.48%) | +5 bytes |
Algorithm | Program | Parameters | Size | Compared To Best Zopfli |
---|---|---|---|---|
ZPAQ (Wikipedia) | zpaq | zpaq -method 69 | 35661 bytes | -8773 bytes (-19.74%) |
RAR (proprietary) | RAR | rar a -m5 -md64m -mc63:128t -mt1 | 37771 bytes | -6663 bytes (-15.00%) |
PPMd (Wikipedia) | 7zip | 7za a -mx=9 -m0=ppmd | 38325 bytes | -6109 bytes (-13.75%) |
Brotli (Wikipedia) | brotli | brotli -q 11 | 40277 bytes | -4157 bytes (-9.36%) |
LZMA2 (Wikipedia) | xz | xz -9 | 40980 bytes | -3454 bytes (-7.77%) |
Burrows-Wheeler transform (Wikipedia) | bzip2 | bzip2 -9 | 42751 bytes | -1683 bytes (-3.79%) |
Zstandard (Wikipedia) | zstd | zstd -19 | 42903 bytes | -1531 bytes (-3.45%) |