| Boot |
52871 bytes (51.6k)
|
CDN |
| cdnjs |
46399 bytes (45.3k)
|
CDN |
| unpkg |
46106 bytes (45.0k)
|
CDN |
| gzip -6 (default) |
46081 bytes (45.0k)
|
local copy |
|
46025 bytes (44.9k)
|
CDN | |
| Yandex |
45994 bytes (44.9k)
|
CDN |
| jsdelivr |
45994 bytes (44.9k)
|
CDN |
| gzip -9 |
45990 bytes (44.9k)
|
local copy |
| 7zip -mx=9 -tgzip |
44643 bytes (43.6k)
|
local copy |
| libdeflate -12 |
44621 bytes (43.6k)
|
local copy |
| kzip -s0 -rn -b1 |
44589 bytes (43.5k)
|
local copy |
| zultra |
44565 bytes (43.5k)
|
local copy |
| pigz -11 -n |
44535 bytes (43.5k)
|
local copy |
| Zopfli |
44501 bytes (43.5k)
|
local copy |
| Zopfli (defluff) |
44500 bytes (43.5k)
|
local copy |
| Description | Value | Parameter |
|---|---|---|
| iterations | 100000 | --i100000 |
| maximum blocks | 8 | --mb8 |
| maximum length score | 16384 | --mls16384 |
| 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 | 52871 bytes | b1137641dbb512a60e83d673f7e2d98f | March 18, 2015 @ 11:01 |
| cdnjs | 46399 bytes | b1137641dbb512a60e83d673f7e2d98f | February 24, 2015 @ 21:15 |
| unpkg | 46106 bytes | b1137641dbb512a60e83d673f7e2d98f | July 11, 2016 @ 15:53 |
| 46025 bytes | b1137641dbb512a60e83d673f7e2d98f | February 24, 2015 @ 23:28 | |
| Yandex | 45994 bytes | b1137641dbb512a60e83d673f7e2d98f | June 11, 2015 @ 14:17 |
| jsdelivr | 45994 bytes | b1137641dbb512a60e83d673f7e2d98f | March 8, 2015 @ 22:54 |
| Size | Improvement | Parameters | Found |
|---|---|---|---|
| 44501 bytes | -3 bytes | zopfli --i100000 --mls16384 --bsr30 --lazy --ohh | November 30, 2015 @ 14:14 |
| 44504 bytes | -1 byte | zopfli --i10000 --mls16384 --bsr30 --lazy --ohh | September 24, 2015 @ 15:44 |
| 44505 bytes | -1 byte | zopfli --i1000 --mls16384 --bsr30 --lazy --ohh | September 24, 2015 @ 15:21 |
| 44506 bytes | -3 bytes | zopfli --i1000 --mls16384 --bsr11 --lazy --ohh | September 12, 2015 @ 11:17 |
| 44509 bytes | -1 byte | zopfli --i1000 --mls16384 --bsr7 --lazy --ohh | September 11, 2015 @ 19:46 |
| 44510 bytes | -6 bytes | zopfli --i1000 --mls8192 --bsr4 --lazy --ohh | September 7, 2015 @ 18:32 |
| 44516 bytes | – | zopfli --i100 --mls8192 --bsr13 --lazy --ohh | September 7, 2015 @ 16:18 |
| 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 | 44527 | 44523 | 44524 | 44525 | 44525 | 44527 | 44526 | 44542 | 44523 | 44528 | 44528 | 44525 | 44525 | 44520 | 44526 |
| 4 | 44526 | 44525 | 44525 | 44520 | 44523 | 44517 | 44517 | 44518 | 44524 | 44520 | 44523 | 44521 | 44510 | 44510 | 44520 |
| 6 | 44513 | 44512 | 44512 | 44520 | 44522 | 44515 | 44525 | 44524 | 44525 | 44515 | 44519 | 44519 | 44527 | 44509 | 44516 |
| 7 | 44515 | 44511 | 44511 | 44515 | 44522 | 44523 | 44521 | 44527 | 44522 | 44520 | 44521 | 44520 | 44524 | 44509 | 44515 |
| 8 | 44516 | 44528 | 44529 | 44524 | 44522 | 44523 | 44525 | 44509 | 44524 | 44523 | 44517 | 44519 | 44517 | 44511 | 44524 |
| 9 | 44532 | 44524 | 44515 | 44519 | 44523 | 44516 | 44521 | 44515 | 44524 | 44514 | 44519 | 44521 | 44526 | 44510 | 44512 |
| 10 | 44532 | 44533 | 44512 | 44523 | 44523 | 44521 | 44521 | 44515 | 44525 | 44516 | 44522 | 44515 | 44513 | 44512 | 44515 |
| 11 | 44531 | 44530 | 44517 | 44527 | 44526 | 44528 | 44522 | 44513 | 44525 | 44514 | 44520 | 44519 | 44522 | 44502 | 44516 |
| 12 | 44515 | 44514 | 44512 | 44527 | 44521 | 44522 | 44522 | 44514 | 44527 | 44516 | 44521 | 44521 | 44515 | 44501 | 44515 |
| 13 | 44514 | 44513 | 44513 | 44513 | 44515 | 44516 | 44521 | 44524 | 44520 | 44517 | 44521 | 44521 | 44510 | 44510 | 44516 |
| 14 | 44520 | 44532 | 44529 | 44520 | 44524 | 44522 | 44520 | 44513 | 44524 | 44524 | 44521 | 44524 | 44511 | 44511 | 44516 |
| 15 | 44519 | 44511 | 44531 | 44524 | 44521 | 44523 | 44521 | 44515 | 44520 | 44522 | 44523 | 44517 | 44524 | 44512 | 44529 |
| 16 | 44533 | 44517 | 44530 | 44520 | 44522 | 44525 | 44521 | 44512 | 44519 | 44516 | 44523 | 44517 | 44513 | 44510 | 44523 |
| 17 | 44515 | 44530 | 44517 | 44514 | 44526 | 44516 | 44524 | 44513 | 44525 | 44521 | 44523 | 44519 | 44509 | 44509 | 44516 |
| 18 | 44520 | 44517 | 44512 | 44515 | 44514 | 44515 | 44508 | 44509 | 44524 | 44524 | 44521 | 44517 | 44518 | 44512 | 44519 |
| 19 | 44531 | 44530 | 44529 | 44519 | 44512 | 44516 | 44521 | 44512 | 44526 | 44513 | 44513 | 44514 | 44524 | 44511 | 44515 |
| 20 | 44528 | 44525 | 44518 | 44512 | 44514 | 44509 | 44535 | 44514 | 44515 | 44519 | 44521 | 44516 | 44514 | 44509 | 44516 |
| 21 | 44533 | 44529 | 44516 | 44520 | 44522 | 44524 | 44526 | 44513 | 44524 | 44524 | 44521 | 44516 | 44520 | 44506 | 44528 |
| 22 | 44531 | 44532 | 44529 | 44521 | 44521 | 44525 | 44521 | 44510 | 44524 | 44515 | 44520 | 44517 | 44514 | 44509 | 44522 |
| 23 | 44520 | 44518 | 44529 | 44524 | 44518 | 44523 | 44526 | 44511 | 44524 | 44521 | 44521 | 44521 | 44524 | 44509 | 44515 |
| 25 | 44520 | 44523 | 44511 | 44518 | 44527 | 44516 | 44513 | 44510 | 44524 | 44518 | 44522 | 44521 | 44511 | 44509 | 44516 |
| 30 | 44514 | 44512 | 44511 | 44520 | 44521 | 44524 | 44524 | 44516 | 44520 | 44524 | 44523 | 44519 | 44511 | 44501 | 44515 |
| 40 | 44521 | 44528 | 44511 | 44527 | 44525 | 44523 | 44521 | 44523 | 44525 | 44514 | 44521 | 44516 | 44511 | 44509 | 44515 |
| Iterations | Min. Bytes | Reduction | Coverage |
|---|---|---|---|
| 100 | 44516 bytes | – | 100% |
| 1,000 | 44505 bytes | -11 bytes | 100% |
| 10,000 | 44504 bytes | -1 byte | 100% |
| 100,000 | 44501 bytes | -3 bytes | 0.87% |
| 1,000,000 | – | – | – |
| 10,000,000 | – | – | – |
| Blocks | Min. Bytes | Compared To Best Zopfli | Compared To Best KZIP |
|---|---|---|---|
| (any) | 44590 bytes | +89 bytes (+0.20%) | +1 byte |
| 1 | 44589 bytes | +88 bytes (+0.20%) | – |
| 2 | 44607 bytes | +106 bytes (+0.24%) | +18 bytes |
| 3 | 44637 bytes | +136 bytes (+0.31%) | +48 bytes |
| 4 | 44661 bytes | +160 bytes (+0.36%) | +72 bytes |
| 5 | 44688 bytes | +187 bytes (+0.42%) | +99 bytes |
| 6 | 44730 bytes | +229 bytes (+0.51%) | +141 bytes |
| 7 | 44720 bytes | +219 bytes (+0.49%) | +131 bytes |
| 8 | 44732 bytes | +231 bytes (+0.52%) | +143 bytes |
| Algorithm | Program | Parameters | Size | Compared To Best Zopfli |
|---|---|---|---|---|
| ZPAQ (Wikipedia) | zpaq | zpaq -method 69 | 35545 bytes | -8956 bytes (-20.13%) |
| RAR (proprietary) | RAR | rar a -m5 -md64m -mc63:128t -mt1 | 37114 bytes | -7387 bytes (-16.60%) |
| PPMd (Wikipedia) | 7zip | 7za a -mx=9 -m0=ppmd | 38928 bytes | -5573 bytes (-12.52%) |
| Brotli (Wikipedia) | brotli | brotli -q 11 | 40927 bytes | -3574 bytes (-8.03%) |
| Burrows-Wheeler transform (Wikipedia) | bzip2 | bzip2 -9 | 41677 bytes | -2824 bytes (-6.35%) |
| LZMA2 (Wikipedia) | xz | xz -9 | 42324 bytes | -2177 bytes (-4.89%) |
| Zstandard (Wikipedia) | zstd | zstd -19 | 43450 bytes | -1051 bytes (-2.36%) |