Boot |
62910 bytes (61.4k)
|
CDN |
cdnjs |
54543 bytes (53.3k)
|
CDN |
gzip -6 (default) |
54296 bytes (53.0k)
|
local copy |
gzip -9 |
54228 bytes (53.0k)
|
local copy |
7zip -mx=9 -tgzip |
51665 bytes (50.5k)
|
local copy |
libdeflate -12 |
51622 bytes (50.4k)
|
local copy |
kzip -s0 -rn -b1 |
51584 bytes (50.4k)
|
local copy |
zultra |
51579 bytes (50.4k)
|
local copy |
pigz -11 -n |
51564 bytes (50.4k)
|
local copy |
Zopfli |
51408 bytes (50.2k)
|
local copy |
Zopfli (defluff) |
51406 bytes (50.2k)
|
local copy |
Description | Value | Parameter |
---|---|---|
iterations | 1000000 | --i1000000 |
maximum blocks | 8 | --mb8 |
maximum length score | 2 | --mls2 |
block splitting recursion | 4 | --bsr4 |
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 | 62910 bytes | fca7de428f976d71cb0342e558f00024 | March 19, 2015 @ 15:40 |
cdnjs | 54543 bytes | fca7de428f976d71cb0342e558f00024 | February 8, 2015 @ 14:45 |
Size | Improvement | Parameters | Found |
---|---|---|---|
51408 bytes | -1 byte | zopfli --i1000000 --mls2 --bsr4 --lazy --ohh | January 31, 2020 @ 19:52 |
51409 bytes | -3 bytes | zopfli --i100000 --mls2 --bsr4 --lazy --ohh | October 21, 2015 @ 10:57 |
51412 bytes | -5 bytes | zopfli --i10000 --mls2 --bsr4 --lazy --ohh | October 21, 2015 @ 10:21 |
51417 bytes | -7 bytes | zopfli --i1000 --mls2 --bsr4 --lazy --ohh | September 23, 2015 @ 01:39 |
51424 bytes | – | zopfli --i100 --mls2 --bsr4 --lazy --ohh | September 22, 2015 @ 12:08 |
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 | 51481 | 51480 | 51481 | 51481 | 51477 | 51482 | 51478 | 51478 | 51480 | 51479 | 51473 | 51507 | 51496 | 51511 | 51498 |
4 | 51408 | 51412 | 51477 | 51478 | 51475 | 51477 | 51489 | 51477 | 51489 | 51481 | 51473 | 51498 | 51488 | 51481 | 51498 |
6 | 51437 | 51447 | 51477 | 51474 | 51477 | 51485 | 51475 | 51482 | 51482 | 51482 | 51494 | 51490 | 51488 | 51504 | 51488 |
7 | 51488 | 51451 | 51487 | 51471 | 51473 | 51477 | 51474 | 51476 | 51473 | 51474 | 51477 | 51498 | 51482 | 51485 | 51485 |
8 | 51433 | 51432 | 51473 | 51471 | 51473 | 51494 | 51481 | 51473 | 51473 | 51474 | 51489 | 51499 | 51490 | 51498 | 51497 |
9 | 51429 | 51433 | 51475 | 51473 | 51473 | 51474 | 51475 | 51481 | 51487 | 51483 | 51491 | 51486 | 51495 | 51495 | 51490 |
10 | 51435 | 51432 | 51492 | 51472 | 51474 | 51484 | 51474 | 51478 | 51473 | 51478 | 51475 | 51500 | 51489 | 51486 | 51495 |
11 | 51431 | 51434 | 51473 | 51471 | 51474 | 51473 | 51477 | 51478 | 51473 | 51484 | 51495 | 51499 | 51501 | 51495 | 51482 |
12 | 51429 | 51433 | 51472 | 51472 | 51472 | 51474 | 51478 | 51486 | 51473 | 51479 | 51495 | 51499 | 51502 | 51479 | 51472 |
13 | 51441 | 51435 | 51472 | 51485 | 51476 | 51476 | 51476 | 51478 | 51477 | 51475 | 51473 | 51472 | 51487 | 51487 | 51499 |
14 | 51432 | 51430 | 51473 | 51472 | 51472 | 51474 | 51475 | 51473 | 51479 | 51476 | 51474 | 51489 | 51500 | 51486 | 51498 |
15 | 51433 | 51435 | 51474 | 51471 | 51472 | 51473 | 51478 | 51477 | 51473 | 51479 | 51472 | 51492 | 51497 | 51492 | 51498 |
16 | 51439 | 51433 | 51472 | 51473 | 51472 | 51473 | 51477 | 51474 | 51478 | 51472 | 51473 | 51501 | 51502 | 51495 | 51498 |
17 | 51450 | 51432 | 51472 | 51473 | 51473 | 51473 | 51481 | 51480 | 51473 | 51476 | 51489 | 51476 | 51484 | 51486 | 51482 |
18 | 51432 | 51441 | 51473 | 51473 | 51474 | 51473 | 51481 | 51475 | 51472 | 51474 | 51492 | 51500 | 51503 | 51495 | 51482 |
19 | 51431 | 51437 | 51472 | 51473 | 51474 | 51474 | 51474 | 51481 | 51478 | 51475 | 51475 | 51485 | 51486 | 51503 | 51482 |
20 | 51429 | 51431 | 51477 | 51474 | 51473 | 51475 | 51474 | 51478 | 51476 | 51474 | 51473 | 51501 | 51483 | 51507 | 51490 |
21 | 51431 | 51431 | 51473 | 51473 | 51473 | 51474 | 51476 | 51472 | 51476 | 51474 | 51501 | 51484 | 51502 | 51502 | 51501 |
22 | 51429 | 51429 | 51472 | 51473 | 51474 | 51473 | 51490 | 51477 | 51473 | 51474 | 51490 | 51499 | 51502 | 51510 | 51498 |
23 | 51431 | 51433 | 51473 | 51472 | 51474 | 51473 | 51477 | 51476 | 51475 | 51476 | 51490 | 51489 | 51492 | 51494 | 51472 |
25 | 51429 | 51431 | 51473 | 51472 | 51475 | 51473 | 51476 | 51489 | 51475 | 51474 | 51474 | 51488 | 51502 | 51495 | 51488 |
30 | 51433 | 51429 | 51474 | 51473 | 51475 | 51473 | 51477 | 51475 | 51482 | 51474 | 51473 | 51499 | 51502 | 51496 | 51498 |
40 | 51433 | 51436 | 51471 | 51472 | 51479 | 51473 | 51475 | 51480 | 51477 | 51474 | 51472 | 51492 | 51498 | 51481 | 51498 |
Iterations | Min. Bytes | Reduction | Coverage |
---|---|---|---|
100 | 51424 bytes | – | 100% |
1,000 | 51417 bytes | -7 bytes | 100% |
10,000 | 51412 bytes | -5 bytes | 100% |
100,000 | 51409 bytes | -3 bytes | 0.58% |
1,000,000 | 51408 bytes | -1 byte | 0.29% |
10,000,000 | – | – | – |
Blocks | Min. Bytes | Compared To Best Zopfli | Compared To Best KZIP |
---|---|---|---|
(any) | 51640 bytes | +232 bytes (+0.45%) | +56 bytes |
1 | 51584 bytes | +176 bytes (+0.34%) | – |
2 | 51597 bytes | +189 bytes (+0.37%) | +13 bytes |
3 | 51641 bytes | +233 bytes (+0.45%) | +57 bytes |
4 | 51659 bytes | +251 bytes (+0.49%) | +75 bytes |
5 | 51680 bytes | +272 bytes (+0.53%) | +96 bytes |
6 | 51722 bytes | +314 bytes (+0.61%) | +138 bytes |
7 | 51710 bytes | +302 bytes (+0.59%) | +126 bytes |
8 | 51720 bytes | +312 bytes (+0.61%) | +136 bytes |
Algorithm | Program | Parameters | Size | Compared To Best Zopfli |
---|---|---|---|---|
ZPAQ (Wikipedia) | zpaq | zpaq -method 69 | 37780 bytes | -13628 bytes (-26.51%) |
RAR (proprietary) | RAR | rar a -m5 -md64m -mc63:128t -mt1 | 44747 bytes | -6661 bytes (-12.96%) |
PPMd (Wikipedia) | 7zip | 7za a -mx=9 -m0=ppmd | 46135 bytes | -5273 bytes (-10.26%) |
Brotli (Wikipedia) | brotli | brotli -q 11 | 47217 bytes | -4191 bytes (-8.15%) |
LZMA2 (Wikipedia) | xz | xz -9 | 48248 bytes | -3160 bytes (-6.15%) |
Burrows-Wheeler transform (Wikipedia) | bzip2 | bzip2 -9 | 49640 bytes | -1768 bytes (-3.44%) |
Zstandard (Wikipedia) | zstd | zstd -19 | 49734 bytes | -1674 bytes (-3.26%) |