| Boot |
61687 bytes (60.2k)
|
CDN |
| cdnjs |
53959 bytes (52.7k)
|
CDN |
| unpkg |
53602 bytes (52.3k)
|
CDN |
| gzip -6 (default) |
53597 bytes (52.3k)
|
local copy |
|
53534 bytes (52.3k)
|
CDN | |
| gzip -9 |
53515 bytes (52.3k)
|
local copy |
| libdeflate -12 |
51827 bytes (50.6k)
|
local copy |
| kzip -s0 -rn -b0 |
51824 bytes (50.6k)
|
local copy |
| 7zip -mx=9 -tgzip |
51819 bytes (50.6k)
|
local copy |
| zultra |
51805 bytes (50.6k)
|
local copy |
| pigz -11 -n |
51783 bytes (50.6k)
|
local copy |
| Zopfli |
51692 bytes (50.5k)
|
local copy |
| Zopfli (defluff) |
51691 bytes (50.5k)
|
local copy |
| Description | Value | Parameter |
|---|---|---|
| iterations | 1000000 | --i1000000 |
| maximum blocks | 8 | --mb8 |
| maximum length score | 8 | --mls8 |
| block splitting recursion | 22 | --bsr22 |
| 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 | 61687 bytes | 450c2459c4402eed5484e757dbc2b4cb | May 27, 2016 @ 16:01 |
| cdnjs | 53959 bytes | 450c2459c4402eed5484e757dbc2b4cb | May 27, 2016 @ 15:46 |
| unpkg | 53602 bytes | 450c2459c4402eed5484e757dbc2b4cb | July 11, 2016 @ 15:52 |
| 53534 bytes | 450c2459c4402eed5484e757dbc2b4cb | May 28, 2016 @ 20:51 |
| Size | Improvement | Parameters | Found |
|---|---|---|---|
| 51692 bytes | -3 bytes | zopfli --i1000000 --mls8 --bsr22 --lazy --ohh | June 15, 2016 @ 00:03 |
| 51695 bytes | -1 byte | zopfli --i100000 --mls8 --bsr22 --lazy --ohh | June 14, 2016 @ 16:57 |
| 51696 bytes | -1 byte | zopfli --i100000 --mls32 --bsr7 --lazy --ohh | June 14, 2016 @ 14:04 |
| 51697 bytes | -1 byte | zopfli --i10000 --mls32 --bsr7 --lazy --ohh | June 14, 2016 @ 13:13 |
| 51698 bytes | -3 bytes | zopfli --i10000 --mls8 --bsr22 --lazy --ohh | June 14, 2016 @ 13:03 |
| 51701 bytes | -1 byte | zopfli --i1000 --mls32 --bsr7 --lazy --ohh | June 14, 2016 @ 13:01 |
| 51702 bytes | -2 bytes | zopfli --i1000 --mls8 --bsr22 --lazy --ohh | June 14, 2016 @ 12:59 |
| 51704 bytes | -11 bytes | zopfli --i1000 --mls8 --bsr19 --lazy --ohh | June 14, 2016 @ 12:59 |
| 51715 bytes | -2 bytes | zopfli --i1000 --mls32 --bsr16 --lazy --ohh | June 14, 2016 @ 12:59 |
| 51717 bytes | – | zopfli --i100 --mls8 --bsr19 --lazy --ohh | June 14, 2016 @ 12:47 |
| 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 | 51757 | 51758 | 51758 | 51757 | 51757 | 51759 | 51761 | 51759 | 51761 | 51761 | 51750 | 51751 | 51746 | 51746 | 51755 |
| 4 | 51742 | 51718 | 51714 | 51716 | 51741 | 51736 | 51729 | 51739 | 51740 | 51744 | 51742 | 51742 | 51742 | 51733 | 51733 |
| 6 | 51727 | 51700 | 51700 | 51701 | 51705 | 51728 | 51724 | 51729 | 51718 | 51741 | 51725 | 51741 | 51741 | 51735 | 51728 |
| 7 | 51731 | 51715 | 51705 | 51709 | 51696 | 51742 | 51729 | 51746 | 51737 | 51726 | 51729 | 51726 | 51741 | 51736 | 51728 |
| 8 | 51725 | 51707 | 51712 | 51708 | 51711 | 51741 | 51739 | 51740 | 51740 | 51727 | 51722 | 51738 | 51751 | 51731 | 51702 |
| 9 | 51723 | 51727 | 51712 | 51707 | 51743 | 51725 | 51727 | 51725 | 51742 | 51728 | 51742 | 51733 | 51741 | 51731 | 51728 |
| 10 | 51726 | 51721 | 51719 | 51736 | 51741 | 51725 | 51724 | 51717 | 51737 | 51734 | 51725 | 51726 | 51741 | 51734 | 51732 |
| 11 | 51747 | 51721 | 51719 | 51718 | 51731 | 51724 | 51724 | 51721 | 51740 | 51741 | 51742 | 51727 | 51741 | 51734 | 51701 |
| 12 | 51725 | 51731 | 51733 | 51728 | 51721 | 51726 | 51725 | 51717 | 51740 | 51729 | 51718 | 51733 | 51741 | 51734 | 51701 |
| 13 | 51726 | 51723 | 51720 | 51725 | 51728 | 51721 | 51724 | 51739 | 51739 | 51734 | 51718 | 51734 | 51741 | 51733 | 51729 |
| 14 | 51725 | 51717 | 51707 | 51717 | 51713 | 51726 | 51724 | 51718 | 51742 | 51739 | 51725 | 51728 | 51741 | 51734 | 51702 |
| 15 | 51731 | 51740 | 51709 | 51707 | 51719 | 51724 | 51727 | 51718 | 51740 | 51728 | 51729 | 51734 | 51742 | 51733 | 51729 |
| 16 | 51727 | 51709 | 51705 | 51711 | 51711 | 51724 | 51727 | 51739 | 51738 | 51730 | 51727 | 51734 | 51743 | 51732 | 51699 |
| 17 | 51729 | 51710 | 51706 | 51705 | 51702 | 51723 | 51725 | 51719 | 51739 | 51729 | 51727 | 51733 | 51741 | 51733 | 51725 |
| 18 | 51727 | 51707 | 51703 | 51710 | 51707 | 51727 | 51727 | 51719 | 51718 | 51729 | 51727 | 51733 | 51741 | 51734 | 51699 |
| 19 | 51724 | 51704 | 51696 | 51718 | 51725 | 51724 | 51727 | 51739 | 51717 | 51729 | 51728 | 51727 | 51742 | 51731 | 51699 |
| 20 | 51727 | 51703 | 51699 | 51708 | 51723 | 51723 | 51726 | 51718 | 51718 | 51729 | 51728 | 51727 | 51741 | 51734 | 51725 |
| 21 | 51727 | 51701 | 51708 | 51706 | 51720 | 51724 | 51728 | 51718 | 51740 | 51729 | 51728 | 51733 | 51741 | 51735 | 51703 |
| 22 | 51722 | 51715 | 51692 | 51700 | 51708 | 51722 | 51728 | 51719 | 51741 | 51730 | 51728 | 51734 | 51742 | 51732 | 51700 |
| 23 | 51724 | 51704 | 51706 | 51718 | 51728 | 51726 | 51724 | 51718 | 51738 | 51729 | 51725 | 51726 | 51741 | 51735 | 51700 |
| 25 | 51727 | 51722 | 51720 | 51706 | 51722 | 51727 | 51716 | 51718 | 51740 | 51728 | 51729 | 51741 | 51741 | 51730 | 51701 |
| 30 | 51718 | 51718 | 51716 | 51712 | 51715 | 51718 | 51714 | 51718 | 51741 | 51719 | 51717 | 51719 | 51741 | 51731 | 51701 |
| 40 | 51717 | 51719 | 51727 | 51713 | 51715 | 51718 | 51716 | 51717 | 51733 | 51729 | 51720 | 51719 | 51741 | 51735 | 51728 |
| Iterations | Min. Bytes | Reduction | Coverage |
|---|---|---|---|
| 100 | 51717 bytes | – | 100% |
| 1,000 | 51701 bytes | -16 bytes | 100% |
| 10,000 | 51697 bytes | -4 bytes | 100% |
| 100,000 | 51695 bytes | -2 bytes | 0.87% |
| 1,000,000 | 51692 bytes | -3 bytes | 0.29% |
| 10,000,000 | – | – | – |
| Blocks | Min. Bytes | Compared To Best Zopfli | Compared To Best KZIP |
|---|---|---|---|
| (any) | 51824 bytes | +132 bytes (+0.26%) | – |
| 1 | 51824 bytes | +132 bytes (+0.26%) | – |
| 2 | 51852 bytes | +160 bytes (+0.31%) | +28 bytes |
| 3 | 51856 bytes | +164 bytes (+0.32%) | +32 bytes |
| 4 | 51853 bytes | +161 bytes (+0.31%) | +29 bytes |
| 5 | 51870 bytes | +178 bytes (+0.34%) | +46 bytes |
| 6 | 51879 bytes | +187 bytes (+0.36%) | +55 bytes |
| 7 | 51895 bytes | +203 bytes (+0.39%) | +71 bytes |
| 8 | 51890 bytes | +198 bytes (+0.38%) | +66 bytes |
| Algorithm | Program | Parameters | Size | Compared To Best Zopfli |
|---|---|---|---|---|
| ZPAQ (Wikipedia) | zpaq | zpaq -method 69 | 40246 bytes | -11446 bytes (-22.14%) |
| RAR (proprietary) | RAR | rar a -m5 -md64m -mc63:128t -mt1 | 42458 bytes | -9234 bytes (-17.86%) |
| PPMd (Wikipedia) | 7zip | 7za a -mx=9 -m0=ppmd | 43843 bytes | -7849 bytes (-15.18%) |
| Brotli (Wikipedia) | brotli | brotli -q 11 | 47011 bytes | -4681 bytes (-9.06%) |
| Burrows-Wheeler transform (Wikipedia) | bzip2 | bzip2 -9 | 47882 bytes | -3810 bytes (-7.37%) |
| LZMA2 (Wikipedia) | xz | xz -9 | 48480 bytes | -3212 bytes (-6.21%) |
| Zstandard (Wikipedia) | zstd | zstd -19 | 49945 bytes | -1747 bytes (-3.38%) |