| Boot |
31621 bytes (30.9k)
|
CDN |
| cdnjs |
27726 bytes (27.1k)
|
CDN |
| gzip -6 (default) |
27534 bytes (26.9k)
|
local copy |
| unpkg |
27498 bytes (26.9k)
|
CDN |
| gzip -9 |
27495 bytes (26.9k)
|
local copy |
| jsdelivr |
27481 bytes (26.8k)
|
CDN |
| 7zip -mx=9 -tgzip |
26638 bytes (26.0k)
|
local copy |
| libdeflate -12 |
26624 bytes (26.0k)
|
local copy |
| kzip -s0 -rn -b1 |
26610 bytes (26.0k)
|
local copy |
| zultra |
26580 bytes (26.0k)
|
local copy |
| pigz -11 -n |
26526 bytes (25.9k)
|
local copy |
| Zopfli |
26500 bytes (25.9k)
|
local copy |
| Zopfli (defluff) |
26499 bytes (25.9k)
|
local copy |
| Description | Value | Parameter |
|---|---|---|
| iterations | 100000 | --i100000 |
| maximum blocks | 8 | --mb8 |
| maximum length score | 1024 | --mls1024 |
| block splitting recursion | 6 | --bsr6 |
| 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 | 31621 bytes | 69b45faf9b28578ef336b6b6d974214e | (invalid) |
| cdnjs | 27726 bytes | 69b45faf9b28578ef336b6b6d974214e | (invalid) |
| unpkg | 27498 bytes | 69b45faf9b28578ef336b6b6d974214e | March 23, 2017 @ 07:54 |
| jsdelivr | 27481 bytes | 69b45faf9b28578ef336b6b6d974214e | (invalid) |
| Size | Improvement | Parameters | Found |
|---|---|---|---|
| 26500 bytes | -2 bytes | zopfli --i100000 --mls1024 --bsr6 --lazy --ohh | March 31, 2017 @ 21:21 |
| 26502 bytes | -1 byte | zopfli --i100000 --mls512 --bsr6 --lazy --ohh | March 31, 2017 @ 20:25 |
| 26503 bytes | -2 bytes | zopfli --i10000 --mls1024 --bsr6 --lazy --ohh | March 30, 2017 @ 21:21 |
| 26505 bytes | -1 byte | zopfli --i10000 --mls128 --bsr17 --lazy --ohh | March 30, 2017 @ 21:07 |
| 26506 bytes | -3 bytes | zopfli --i10000 --mls128 --bsr14 --lazy --ohh | March 30, 2017 @ 20:58 |
| 26509 bytes | -1 byte | zopfli --i1000 --mls128 --bsr18 --lazy --ohh | March 30, 2017 @ 14:19 |
| 26510 bytes | -1 byte | zopfli --i1000 --mls128 --bsr14 --lazy --ohh | March 30, 2017 @ 14:17 |
| 26511 bytes | -2 bytes | zopfli --i1000 --mls512 --bsr40 --lazy --ohh | March 30, 2017 @ 14:14 |
| 26513 bytes | -1 byte | zopfli --i1000 --mls4 --bsr21 --lazy --ohh | March 30, 2017 @ 14:14 |
| 26514 bytes | -2 bytes | zopfli --i1000 --mls8 --bsr30 --lazy --ohh | March 30, 2017 @ 14:12 |
| 26516 bytes | – | zopfli --i100 --mls16 --bsr4 --lazy --ohh | March 30, 2017 @ 13:25 |
| 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 | 26523 | 26522 | 26523 | 26522 | 26522 | 26524 | 26526 | 26522 | 26519 | 26547 | 26548 | 26572 | 26562 | 26563 | 26566 |
| 4 | 26520 | 26521 | 26521 | 26504 | 26511 | 26559 | 26530 | 26513 | 26508 | 26516 | 26544 | 26552 | 26552 | 26547 | 26557 |
| 6 | 26508 | 26505 | 26508 | 26510 | 26531 | 26545 | 26515 | 26544 | 26502 | 26500 | 26548 | 26555 | 26551 | 26546 | 26555 |
| 7 | 26513 | 26538 | 26513 | 26509 | 26513 | 26515 | 26542 | 26554 | 26516 | 26541 | 26551 | 26556 | 26550 | 26550 | 26549 |
| 8 | 26516 | 26521 | 26514 | 26518 | 26518 | 26536 | 26520 | 26552 | 26509 | 26512 | 26544 | 26561 | 26552 | 26546 | 26557 |
| 9 | 26518 | 26520 | 26510 | 26511 | 26511 | 26549 | 26504 | 26556 | 26511 | 26510 | 26552 | 26551 | 26551 | 26547 | 26546 |
| 10 | 26544 | 26545 | 26544 | 26550 | 26559 | 26549 | 26527 | 26557 | 26503 | 26511 | 26545 | 26553 | 26549 | 26549 | 26554 |
| 11 | 26516 | 26516 | 26512 | 26547 | 26543 | 26540 | 26540 | 26518 | 26515 | 26544 | 26546 | 26552 | 26546 | 26544 | 26555 |
| 12 | 26514 | 26519 | 26505 | 26509 | 26527 | 26556 | 26508 | 26549 | 26503 | 26549 | 26555 | 26549 | 26547 | 26547 | 26554 |
| 13 | 26553 | 26529 | 26549 | 26511 | 26514 | 26509 | 26509 | 26510 | 26516 | 26540 | 26554 | 26552 | 26546 | 26544 | 26563 |
| 14 | 26542 | 26546 | 26509 | 26509 | 26550 | 26551 | 26502 | 26522 | 26551 | 26512 | 26547 | 26547 | 26555 | 26544 | 26551 |
| 15 | 26516 | 26519 | 26544 | 26546 | 26517 | 26505 | 26548 | 26554 | 26516 | 26513 | 26550 | 26551 | 26546 | 26545 | 26555 |
| 16 | 26511 | 26515 | 26509 | 26509 | 26512 | 26511 | 26504 | 26544 | 26513 | 26544 | 26517 | 26547 | 26546 | 26547 | 26557 |
| 17 | 26517 | 26509 | 26505 | 26510 | 26524 | 26522 | 26503 | 26552 | 26510 | 26515 | 26518 | 26551 | 26547 | 26551 | 26552 |
| 18 | 26545 | 26519 | 26512 | 26509 | 26510 | 26507 | 26503 | 26570 | 26508 | 26514 | 26543 | 26551 | 26555 | 26546 | 26550 |
| 19 | 26521 | 26521 | 26505 | 26510 | 26530 | 26534 | 26510 | 26553 | 26503 | 26511 | 26552 | 26554 | 26552 | 26547 | 26550 |
| 20 | 26515 | 26519 | 26514 | 26505 | 26523 | 26555 | 26508 | 26554 | 26545 | 26542 | 26550 | 26551 | 26551 | 26551 | 26552 |
| 21 | 26515 | 26505 | 26513 | 26509 | 26511 | 26512 | 26501 | 26555 | 26510 | 26510 | 26548 | 26553 | 26549 | 26546 | 26557 |
| 22 | 26512 | 26511 | 26509 | 26507 | 26511 | 26545 | 26503 | 26509 | 26514 | 26513 | 26543 | 26551 | 26551 | 26548 | 26557 |
| 23 | 26514 | 26542 | 26513 | 26503 | 26512 | 26552 | 26511 | 26555 | 26508 | 26511 | 26552 | 26548 | 26552 | 26547 | 26550 |
| 25 | 26515 | 26518 | 26516 | 26504 | 26514 | 26556 | 26505 | 26554 | 26517 | 26509 | 26552 | 26551 | 26546 | 26546 | 26552 |
| 30 | 26513 | 26514 | 26509 | 26509 | 26510 | 26509 | 26504 | 26515 | 26518 | 26514 | 26547 | 26551 | 26551 | 26544 | 26552 |
| 40 | 26511 | 26519 | 26505 | 26511 | 26509 | 26544 | 26508 | 26510 | 26502 | 26511 | 26504 | 26547 | 26547 | 26543 | 26551 |
| Iterations | Min. Bytes | Reduction | Coverage |
|---|---|---|---|
| 100 | 26516 bytes | – | 100% |
| 1,000 | 26509 bytes | -7 bytes | 100% |
| 10,000 | 26503 bytes | -6 bytes | 100% |
| 100,000 | 26500 bytes | -3 bytes | 7.54% |
| 1,000,000 | – | – | – |
| 10,000,000 | – | – | – |
| Blocks | Min. Bytes | Compared To Best Zopfli | Compared To Best KZIP |
|---|---|---|---|
| (any) | 26610 bytes | +110 bytes (+0.42%) | – |
| 1 | 26610 bytes | +110 bytes (+0.42%) | – |
| 2 | 26620 bytes | +120 bytes (+0.45%) | +10 bytes |
| 3 | 26618 bytes | +118 bytes (+0.45%) | +8 bytes |
| 4 | 26630 bytes | +130 bytes (+0.49%) | +20 bytes |
| 5 | 26639 bytes | +139 bytes (+0.52%) | +29 bytes |
| 6 | 26662 bytes | +162 bytes (+0.61%) | +52 bytes |
| 7 | 26702 bytes | +202 bytes (+0.76%) | +92 bytes |
| 8 | 26736 bytes | +236 bytes (+0.89%) | +126 bytes |
| Algorithm | Program | Parameters | Size | Compared To Best Zopfli |
|---|---|---|---|---|
| ZPAQ (Wikipedia) | zpaq | zpaq -method 69 | 22141 bytes | -4359 bytes (-16.45%) |
| RAR (proprietary) | RAR | rar a -m5 -md64m -mc63:128t -mt1 | 22703 bytes | -3797 bytes (-14.33%) |
| PPMd (Wikipedia) | 7zip | 7za a -mx=9 -m0=ppmd | 23074 bytes | -3426 bytes (-12.93%) |
| Brotli (Wikipedia) | brotli | brotli -q 11 | 24818 bytes | -1682 bytes (-6.35%) |
| Burrows-Wheeler transform (Wikipedia) | bzip2 | bzip2 -9 | 25416 bytes | -1084 bytes (-4.09%) |
| LZMA2 (Wikipedia) | xz | xz -9 | 25592 bytes | -908 bytes (-3.43%) |
| Zstandard (Wikipedia) | zstd | zstd -19 | 26196 bytes | -304 bytes (-1.15%) |