| Boot |
42253 bytes (41.3k)
|
CDN |
| Baidu |
37285 bytes (36.4k)
|
CDN |
| cdnjs |
37170 bytes (36.3k)
|
CDN |
| gzip -6 (default) |
36938 bytes (36.1k)
|
local copy |
|
36891 bytes (36.0k)
|
CDN | |
| gzip -9 |
36869 bytes (36.0k)
|
local copy |
| Yandex |
36867 bytes (36.0k)
|
CDN |
| jsdelivr |
36867 bytes (36.0k)
|
CDN |
| 7zip -mx=9 -tgzip |
35782 bytes (34.9k)
|
local copy |
| zultra |
35767 bytes (34.9k)
|
local copy |
| kzip -s0 -rn -b0 |
35766 bytes (34.9k)
|
local copy |
| libdeflate -12 |
35761 bytes (34.9k)
|
local copy |
| pigz -11 -n |
35719 bytes (34.9k)
|
local copy |
| Zopfli |
35689 bytes (34.9k)
|
local copy |
| Description | Value | Parameter |
|---|---|---|
| iterations | 100000 | --i100000 |
| maximum blocks | 8 | --mb8 |
| maximum length score | 16384 | --mls16384 |
| block splitting recursion | 25 | --bsr25 |
| 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 | 42253 bytes | e6b113e7cdbe22ca191f879777be6d6a | March 18, 2015 @ 10:22 |
| cdnjs | 37170 bytes | e6b113e7cdbe22ca191f879777be6d6a | March 28, 2014 @ 15:15 |
| 36891 bytes | e6b113e7cdbe22ca191f879777be6d6a | January 25, 2014 @ 01:57 | |
| Yandex | 36867 bytes | e6b113e7cdbe22ca191f879777be6d6a | June 11, 2015 @ 14:17 |
| jsdelivr | 36867 bytes | e6b113e7cdbe22ca191f879777be6d6a | August 7, 2014 @ 18:31 |
| CDN | Size (compressed) | MD5 (uncompressed) | Comment / Diff | Timestamp |
|---|---|---|---|---|
| Baidu | 37285 bytes | fe2912b0df72fed290fe5768024e895e | only whitespaces differ | June 5, 2014 @ 10:05 |
| Size | Improvement | Parameters | Found |
|---|---|---|---|
| 35689 bytes | -2 bytes | zopfli --i100000 --mls16384 --bsr25 --lazy --ohh | November 27, 2015 @ 16:28 |
| 35691 bytes | -1 byte | zopfli --i10000 --mls16384 --bsr25 --lazy --ohh | October 21, 2015 @ 13:06 |
| 35692 bytes | -1 byte | zopfli --i1000 --mls16384 --bsr25 --lazy --ohh | September 23, 2015 @ 08:29 |
| 35693 bytes | -2 bytes | zopfli --i1000 --mls16384 --bsr7 --lazy --ohh | September 17, 2015 @ 14:17 |
| 35695 bytes | -1 byte | zopfli --i10000 --mls4096 --bsr12 --lazy --ohh | September 9, 2015 @ 21:49 |
| 35696 bytes | -1 byte | zopfli --i10000 --mls512 --bsr8 --lazy --ohh | September 9, 2015 @ 21:06 |
| 35697 bytes | -1 byte | zopfli --i10000 --mls512 --bsr4 --lazy --ohh | September 9, 2015 @ 21:03 |
| 35698 bytes | -3 bytes | zopfli --i1000 --mls512 --bsr8 --lazy --ohh | September 7, 2015 @ 20:31 |
| 35701 bytes | – | zopfli --i100 --mls1024 --bsr13 --lazy --ohh | September 7, 2015 @ 16:17 |
| 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 | 35702 | 35702 | 35702 | 35712 | 35700 | 35712 | 35700 | 35701 | 35698 | 35700 | 35697 | 35698 | 35697 | 35712 | 35702 |
| 4 | 35701 | 35698 | 35703 | 35703 | 35705 | 35703 | 35702 | 35717 | 35697 | 35713 | 35714 | 35705 | 35706 | 35718 | 35697 |
| 6 | 35704 | 35702 | 35705 | 35705 | 35704 | 35717 | 35702 | 35700 | 35703 | 35705 | 35703 | 35708 | 35702 | 35692 | 35696 |
| 7 | 35701 | 35702 | 35713 | 35718 | 35702 | 35713 | 35703 | 35697 | 35696 | 35697 | 35701 | 35699 | 35697 | 35693 | 35697 |
| 8 | 35703 | 35703 | 35701 | 35700 | 35697 | 35698 | 35698 | 35701 | 35696 | 35699 | 35712 | 35699 | 35702 | 35693 | 35697 |
| 9 | 35699 | 35699 | 35698 | 35701 | 35697 | 35698 | 35700 | 35702 | 35718 | 35713 | 35713 | 35702 | 35703 | 35696 | 35698 |
| 10 | 35703 | 35703 | 35702 | 35702 | 35703 | 35701 | 35701 | 35698 | 35718 | 35698 | 35712 | 35698 | 35703 | 35693 | 35702 |
| 11 | 35703 | 35718 | 35702 | 35701 | 35696 | 35703 | 35700 | 35701 | 35698 | 35699 | 35713 | 35699 | 35701 | 35693 | 35698 |
| 12 | 35703 | 35700 | 35702 | 35702 | 35698 | 35704 | 35699 | 35698 | 35715 | 35700 | 35712 | 35695 | 35704 | 35693 | 35697 |
| 13 | 35707 | 35718 | 35703 | 35703 | 35702 | 35701 | 35703 | 35703 | 35719 | 35698 | 35712 | 35699 | 35707 | 35693 | 35696 |
| 14 | 35701 | 35703 | 35703 | 35720 | 35719 | 35701 | 35699 | 35719 | 35714 | 35713 | 35712 | 35705 | 35701 | 35693 | 35697 |
| 15 | 35701 | 35702 | 35715 | 35701 | 35702 | 35703 | 35702 | 35699 | 35719 | 35699 | 35712 | 35719 | 35700 | 35692 | 35697 |
| 16 | 35703 | 35699 | 35701 | 35702 | 35699 | 35702 | 35699 | 35696 | 35719 | 35698 | 35712 | 35704 | 35708 | 35693 | 35698 |
| 17 | 35701 | 35703 | 35703 | 35702 | 35703 | 35701 | 35699 | 35697 | 35715 | 35699 | 35705 | 35698 | 35702 | 35693 | 35697 |
| 18 | 35701 | 35699 | 35704 | 35703 | 35698 | 35702 | 35697 | 35698 | 35718 | 35718 | 35712 | 35698 | 35703 | 35721 | 35697 |
| 19 | 35700 | 35700 | 35701 | 35702 | 35701 | 35704 | 35699 | 35699 | 35718 | 35718 | 35712 | 35719 | 35702 | 35690 | 35697 |
| 20 | 35702 | 35699 | 35702 | 35702 | 35696 | 35702 | 35701 | 35699 | 35719 | 35699 | 35713 | 35698 | 35707 | 35692 | 35698 |
| 21 | 35702 | 35706 | 35701 | 35702 | 35697 | 35704 | 35699 | 35701 | 35719 | 35698 | 35711 | 35700 | 35706 | 35693 | 35699 |
| 22 | 35701 | 35699 | 35701 | 35701 | 35698 | 35701 | 35698 | 35700 | 35714 | 35718 | 35712 | 35702 | 35704 | 35693 | 35698 |
| 23 | 35701 | 35699 | 35702 | 35700 | 35698 | 35700 | 35699 | 35700 | 35701 | 35698 | 35712 | 35697 | 35701 | 35693 | 35698 |
| 25 | 35701 | 35704 | 35701 | 35704 | 35702 | 35702 | 35702 | 35700 | 35719 | 35699 | 35712 | 35705 | 35706 | 35689 | 35697 |
| 30 | 35702 | 35702 | 35702 | 35705 | 35703 | 35702 | 35700 | 35699 | 35699 | 35701 | 35712 | 35702 | 35702 | 35692 | 35697 |
| 40 | 35702 | 35705 | 35703 | 35703 | 35697 | 35703 | 35701 | 35699 | 35718 | 35699 | 35713 | 35711 | 35701 | 35693 | 35696 |
| Iterations | Min. Bytes | Reduction | Coverage |
|---|---|---|---|
| 100 | 35696 bytes | – | 100% |
| 1,000 | 35692 bytes | -4 bytes | 100% |
| 10,000 | 35691 bytes | -1 byte | 100% |
| 100,000 | 35689 bytes | -2 bytes | 0.58% |
| 1,000,000 | – | – | – |
| 10,000,000 | – | – | – |
| Blocks | Min. Bytes | Compared To Best Zopfli | Compared To Best KZIP |
|---|---|---|---|
| (any) | 35766 bytes | +77 bytes (+0.22%) | – |
| 1 | 35767 bytes | +78 bytes (+0.22%) | +1 byte |
| 2 | 35788 bytes | +99 bytes (+0.28%) | +22 bytes |
| 3 | 35814 bytes | +125 bytes (+0.35%) | +48 bytes |
| 4 | 35851 bytes | +162 bytes (+0.45%) | +85 bytes |
| 5 | 35864 bytes | +175 bytes (+0.49%) | +98 bytes |
| 6 | 35830 bytes | +141 bytes (+0.40%) | +64 bytes |
| 7 | 35848 bytes | +159 bytes (+0.45%) | +82 bytes |
| 8 | 35875 bytes | +186 bytes (+0.52%) | +109 bytes |
| Algorithm | Program | Parameters | Size | Compared To Best Zopfli |
|---|---|---|---|---|
| ZPAQ (Wikipedia) | zpaq | zpaq -method 69 | 29188 bytes | -6501 bytes (-18.22%) |
| RAR (proprietary) | RAR | rar a -m5 -md64m -mc63:128t -mt1 | 30128 bytes | -5561 bytes (-15.58%) |
| PPMd (Wikipedia) | 7zip | 7za a -mx=9 -m0=ppmd | 31413 bytes | -4276 bytes (-11.98%) |
| Brotli (Wikipedia) | brotli | brotli -q 11 | 32872 bytes | -2817 bytes (-7.89%) |
| Burrows-Wheeler transform (Wikipedia) | bzip2 | bzip2 -9 | 33836 bytes | -1853 bytes (-5.19%) |
| LZMA2 (Wikipedia) | xz | xz -9 | 34216 bytes | -1473 bytes (-4.13%) |
| Zstandard (Wikipedia) | zstd | zstd -19 | 35056 bytes | -633 bytes (-1.77%) |