| Boot |
16612 bytes (16.2k)
|
CDN |
| cdnjs |
14389 bytes (14.1k)
|
CDN |
| gzip -6 (default) |
14312 bytes (14.0k)
|
local copy |
| gzip -9 |
14295 bytes (14.0k)
|
local copy |
| unpkg |
14290 bytes (14.0k)
|
CDN |
| libdeflate -12 |
13781 bytes (13.5k)
|
local copy |
| 7zip -mx=9 -tgzip |
13760 bytes (13.4k)
|
local copy |
| zultra |
13757 bytes (13.4k)
|
local copy |
| kzip -s0 -rn -b4 |
13751 bytes (13.4k)
|
local copy |
| pigz -11 -n |
13751 bytes (13.4k)
|
local copy |
| Zopfli |
13720 bytes (13.4k)
|
local copy |
| Description | Value | Parameter |
|---|---|---|
| iterations | 100000 | --i100000 |
| maximum blocks | 8 | --mb8 |
| maximum length score | 16384 | --mls16384 |
| block splitting recursion | 8 | --bsr8 |
| 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 | 16612 bytes | af9b04d23f0870901b84d034d389c268 | (invalid) |
| cdnjs | 14389 bytes | af9b04d23f0870901b84d034d389c268 | (invalid) |
| unpkg | 14290 bytes | af9b04d23f0870901b84d034d389c268 | April 6, 2017 @ 17:25 |
| Size | Improvement | Parameters | Found |
|---|---|---|---|
| 13720 bytes | -1 byte | zopfli --i100000 --mls16384 --bsr8 --lazy --ohh | April 10, 2017 @ 12:46 |
| 13721 bytes | -3 bytes | zopfli --i10000 --mls16384 --bsr8 --lazy --ohh | April 7, 2017 @ 07:00 |
| 13724 bytes | -2 bytes | zopfli --i10000 --mls256 --bsr20 --lazy --ohh | April 7, 2017 @ 02:51 |
| 13726 bytes | -1 byte | zopfli --i1000 --mls16384 --bsr8 --lazy --ohh | April 6, 2017 @ 19:18 |
| 13727 bytes | -2 bytes | zopfli --i1000 --mls256 --bsr19 --lazy --ohh | April 6, 2017 @ 19:12 |
| 13729 bytes | -1 byte | zopfli --i1000 --mls256 --bsr23 --lazy --ohh | April 6, 2017 @ 18:59 |
| 13730 bytes | – | zopfli --i100 --mls16384 --bsr8 --lazy --ohh | April 6, 2017 @ 18:32 |
| 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 | 13743 | 13741 | 13732 | 13742 | 13740 | 13742 | 13732 | 13732 | 13736 | 13738 | 13738 | 13735 | 13746 | 13737 | 13743 |
| 4 | 13738 | 13738 | 13736 | 13734 | 13737 | 13734 | 13737 | 13739 | 13738 | 13738 | 13738 | 13739 | 13729 | 13739 | 13752 |
| 6 | 13732 | 13733 | 13735 | 13736 | 13736 | 13734 | 13737 | 13737 | 13740 | 13738 | 13737 | 13738 | 13737 | 13736 | 13745 |
| 7 | 13732 | 13732 | 13732 | 13733 | 13730 | 13733 | 13733 | 13737 | 13739 | 13737 | 13735 | 13735 | 13735 | 13735 | 13746 |
| 8 | 13733 | 13737 | 13732 | 13730 | 13733 | 13733 | 13734 | 13735 | 13735 | 13738 | 13737 | 13738 | 13736 | 13720 | 13737 |
| 9 | 13733 | 13737 | 13733 | 13737 | 13732 | 13734 | 13734 | 13726 | 13736 | 13736 | 13739 | 13738 | 13728 | 13735 | 13736 |
| 10 | 13733 | 13735 | 13733 | 13730 | 13734 | 13734 | 13740 | 13731 | 13740 | 13738 | 13737 | 13738 | 13730 | 13735 | 13737 |
| 11 | 13734 | 13737 | 13732 | 13732 | 13736 | 13734 | 13738 | 13726 | 13738 | 13734 | 13739 | 13739 | 13737 | 13735 | 13734 |
| 12 | 13733 | 13732 | 13733 | 13731 | 13730 | 13734 | 13736 | 13736 | 13736 | 13736 | 13737 | 13738 | 13732 | 13734 | 13747 |
| 13 | 13734 | 13737 | 13732 | 13731 | 13729 | 13735 | 13733 | 13728 | 13736 | 13737 | 13736 | 13733 | 13738 | 13735 | 13734 |
| 14 | 13734 | 13737 | 13731 | 13732 | 13734 | 13731 | 13734 | 13735 | 13736 | 13738 | 13737 | 13738 | 13737 | 13735 | 13736 |
| 15 | 13731 | 13737 | 13731 | 13735 | 13734 | 13733 | 13734 | 13736 | 13738 | 13738 | 13734 | 13738 | 13737 | 13735 | 13748 |
| 16 | 13731 | 13740 | 13735 | 13731 | 13731 | 13734 | 13733 | 13727 | 13738 | 13736 | 13732 | 13731 | 13735 | 13735 | 13734 |
| 17 | 13738 | 13739 | 13732 | 13731 | 13733 | 13734 | 13738 | 13732 | 13738 | 13736 | 13737 | 13738 | 13736 | 13735 | 13746 |
| 18 | 13736 | 13734 | 13736 | 13733 | 13736 | 13735 | 13729 | 13724 | 13737 | 13737 | 13736 | 13735 | 13734 | 13735 | 13735 |
| 19 | 13733 | 13734 | 13732 | 13730 | 13730 | 13734 | 13732 | 13723 | 13735 | 13738 | 13736 | 13739 | 13731 | 13735 | 13747 |
| 20 | 13737 | 13737 | 13732 | 13731 | 13733 | 13733 | 13738 | 13724 | 13738 | 13738 | 13739 | 13738 | 13736 | 13734 | 13749 |
| 21 | 13732 | 13738 | 13732 | 13731 | 13735 | 13732 | 13733 | 13727 | 13736 | 13734 | 13739 | 13738 | 13732 | 13736 | 13746 |
| 22 | 13732 | 13735 | 13734 | 13731 | 13737 | 13735 | 13733 | 13738 | 13736 | 13735 | 13737 | 13739 | 13737 | 13735 | 13736 |
| 23 | 13734 | 13731 | 13731 | 13731 | 13728 | 13732 | 13733 | 13725 | 13739 | 13737 | 13736 | 13732 | 13731 | 13734 | 13749 |
| 25 | 13732 | 13732 | 13732 | 13731 | 13733 | 13733 | 13736 | 13726 | 13736 | 13737 | 13739 | 13739 | 13730 | 13736 | 13730 |
| 30 | 13733 | 13732 | 13731 | 13733 | 13733 | 13735 | 13734 | 13735 | 13734 | 13734 | 13735 | 13731 | 13730 | 13735 | 13736 |
| 40 | 13734 | 13738 | 13733 | 13731 | 13732 | 13733 | 13740 | 13734 | 13736 | 13736 | 13736 | 13731 | 13746 | 13735 | 13749 |
| Iterations | Min. Bytes | Reduction | Coverage |
|---|---|---|---|
| 100 | 13730 bytes | – | 100% |
| 1,000 | 13726 bytes | -4 bytes | 100% |
| 10,000 | 13721 bytes | -5 bytes | 100% |
| 100,000 | 13720 bytes | -1 byte | 4.06% |
| 1,000,000 | – | – | – |
| 10,000,000 | – | – | – |
| Blocks | Min. Bytes | Compared To Best Zopfli | Compared To Best KZIP |
|---|---|---|---|
| (any) | 13775 bytes | +55 bytes (+0.40%) | +24 bytes |
| 1 | 13777 bytes | +57 bytes (+0.42%) | +26 bytes |
| 2 | 13771 bytes | +51 bytes (+0.37%) | +20 bytes |
| 3 | 13767 bytes | +47 bytes (+0.34%) | +16 bytes |
| 4 | 13751 bytes | +31 bytes (+0.23%) | – |
| 5 | 13793 bytes | +73 bytes (+0.53%) | +42 bytes |
| 6 | 13818 bytes | +98 bytes (+0.71%) | +67 bytes |
| 7 | 13858 bytes | +138 bytes (+1.01%) | +107 bytes |
| 8 | 13891 bytes | +171 bytes (+1.25%) | +140 bytes |
| Algorithm | Program | Parameters | Size | Compared To Best Zopfli |
|---|---|---|---|---|
| RAR (proprietary) | RAR | rar a -m5 -md64m -mc63:128t -mt1 | 11729 bytes | -1991 bytes (-14.51%) |
| ZPAQ (Wikipedia) | zpaq | zpaq -method 69 | 12016 bytes | -1704 bytes (-12.42%) |
| PPMd (Wikipedia) | 7zip | 7za a -mx=9 -m0=ppmd | 12502 bytes | -1218 bytes (-8.88%) |
| Brotli (Wikipedia) | brotli | brotli -q 11 | 12992 bytes | -728 bytes (-5.31%) |
| Burrows-Wheeler transform (Wikipedia) | bzip2 | bzip2 -9 | 13200 bytes | -520 bytes (-3.79%) |
| LZMA2 (Wikipedia) | xz | xz -9 | 13616 bytes | -104 bytes (-0.76%) |
| Zstandard (Wikipedia) | zstd | zstd -19 | 13777 bytes | +57 bytes (+0.42%) |