| Boot |
31274 bytes (30.5k)
|
CDN |
| gzip -6 (default) |
26839 bytes (26.2k)
|
local copy |
| jsdelivr |
26760 bytes (26.1k)
|
CDN |
| gzip -9 |
26743 bytes (26.1k)
|
local copy |
| cdnjs |
26713 bytes (26.1k)
|
CDN |
| unpkg |
26713 bytes (26.1k)
|
CDN |
| 7zip -mx=9 -tgzip |
25848 bytes (25.2k)
|
local copy |
| libdeflate -12 |
25836 bytes (25.2k)
|
local copy |
| kzip -s0 -rn -b2 |
25824 bytes (25.2k)
|
local copy |
| zultra |
25799 bytes (25.2k)
|
local copy |
| pigz -11 -n |
25790 bytes (25.2k)
|
local copy |
| Zopfli |
25763 bytes (25.2k)
|
local copy |
| Zopfli (defluff) |
25762 bytes (25.2k)
|
local copy |
| Description | Value | Parameter |
|---|---|---|
| iterations | 100000 | --i100000 |
| maximum blocks | 8 | --mb8 |
| maximum length score | 8192 | --mls8192 |
| block splitting recursion | 13 | --bsr13 |
| 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 | 31274 bytes | ee25329d234c2e34703165557ad55760 | (invalid) |
| jsdelivr | 26760 bytes | ee25329d234c2e34703165557ad55760 | (invalid) |
| cdnjs | 26713 bytes | ee25329d234c2e34703165557ad55760 | (invalid) |
| unpkg | 26713 bytes | ee25329d234c2e34703165557ad55760 | April 6, 2017 @ 17:24 |
| Size | Improvement | Parameters | Found |
|---|---|---|---|
| 25763 bytes | -1 byte | zopfli --i100000 --mls8192 --bsr13 --lazy --ohh | April 10, 2017 @ 13:32 |
| 25764 bytes | -3 bytes | zopfli --i100000 --mls8192 --bsr17 --lazy --ohh | April 10, 2017 @ 12:34 |
| 25767 bytes | -2 bytes | zopfli --i10000 --mls8192 --bsr17 --lazy --ohh | April 7, 2017 @ 05:00 |
| 25769 bytes | -10 bytes | zopfli --i1000 --mls8192 --bsr13 --lazy --ohh | April 6, 2017 @ 18:56 |
| 25779 bytes | – | zopfli --i100 --mls1024 --bsr2 --lazy --ohh | April 6, 2017 @ 18:17 |
| 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 | 25773 | 25772 | 25777 | 25780 | 25768 | 25771 | 25768 | 25770 | 25766 | 25766 | 25778 | 25775 | 25771 | 25790 | 25782 |
| 4 | 25778 | 25777 | 25775 | 25771 | 25771 | 25771 | 25770 | 25776 | 25775 | 25773 | 25772 | 25780 | 25778 | 25778 | 25783 |
| 6 | 25777 | 25775 | 25777 | 25777 | 25776 | 25775 | 25777 | 25778 | 25771 | 25778 | 25779 | 25781 | 25777 | 25778 | 25777 |
| 7 | 25772 | 25771 | 25771 | 25775 | 25772 | 25771 | 25771 | 25776 | 25776 | 25774 | 25772 | 25779 | 25776 | 25777 | 25778 |
| 8 | 25777 | 25771 | 25775 | 25772 | 25772 | 25771 | 25771 | 25776 | 25775 | 25772 | 25775 | 25777 | 25777 | 25776 | 25775 |
| 9 | 25773 | 25771 | 25776 | 25772 | 25771 | 25771 | 25772 | 25777 | 25771 | 25776 | 25772 | 25777 | 25777 | 25777 | 25777 |
| 10 | 25771 | 25771 | 25771 | 25771 | 25770 | 25771 | 25771 | 25779 | 25771 | 25776 | 25776 | 25780 | 25777 | 25777 | 25778 |
| 11 | 25772 | 25771 | 25771 | 25774 | 25771 | 25771 | 25771 | 25777 | 25774 | 25775 | 25776 | 25781 | 25768 | 25777 | 25777 |
| 12 | 25771 | 25771 | 25776 | 25772 | 25771 | 25771 | 25771 | 25776 | 25774 | 25775 | 25772 | 25777 | 25778 | 25777 | 25776 |
| 13 | 25776 | 25775 | 25775 | 25772 | 25778 | 25771 | 25776 | 25771 | 25774 | 25771 | 25772 | 25780 | 25763 | 25781 | 25777 |
| 14 | 25776 | 25771 | 25776 | 25771 | 25776 | 25771 | 25771 | 25776 | 25774 | 25772 | 25772 | 25781 | 25768 | 25777 | 25778 |
| 15 | 25772 | 25771 | 25772 | 25773 | 25772 | 25771 | 25772 | 25776 | 25774 | 25772 | 25772 | 25783 | 25776 | 25777 | 25777 |
| 16 | 25776 | 25771 | 25770 | 25776 | 25771 | 25771 | 25774 | 25778 | 25774 | 25772 | 25772 | 25777 | 25777 | 25777 | 25781 |
| 17 | 25777 | 25771 | 25777 | 25772 | 25772 | 25771 | 25771 | 25777 | 25774 | 25772 | 25772 | 25780 | 25764 | 25775 | 25775 |
| 18 | 25777 | 25771 | 25771 | 25771 | 25771 | 25771 | 25771 | 25776 | 25774 | 25772 | 25772 | 25781 | 25777 | 25776 | 25776 |
| 19 | 25771 | 25772 | 25771 | 25774 | 25771 | 25771 | 25771 | 25777 | 25772 | 25772 | 25772 | 25781 | 25777 | 25777 | 25777 |
| 20 | 25777 | 25775 | 25777 | 25772 | 25772 | 25771 | 25772 | 25775 | 25772 | 25772 | 25772 | 25777 | 25777 | 25777 | 25780 |
| 21 | 25772 | 25771 | 25771 | 25774 | 25772 | 25771 | 25772 | 25775 | 25771 | 25772 | 25771 | 25777 | 25777 | 25777 | 25777 |
| 22 | 25771 | 25771 | 25772 | 25773 | 25772 | 25771 | 25772 | 25776 | 25772 | 25772 | 25772 | 25777 | 25777 | 25777 | 25778 |
| 23 | 25771 | 25771 | 25775 | 25773 | 25771 | 25771 | 25772 | 25775 | 25773 | 25772 | 25772 | 25783 | 25777 | 25777 | 25777 |
| 25 | 25777 | 25771 | 25771 | 25771 | 25771 | 25771 | 25772 | 25777 | 25772 | 25772 | 25772 | 25780 | 25776 | 25778 | 25778 |
| 30 | 25776 | 25771 | 25776 | 25772 | 25771 | 25771 | 25772 | 25777 | 25774 | 25772 | 25776 | 25777 | 25769 | 25777 | 25777 |
| 40 | 25772 | 25771 | 25777 | 25776 | 25771 | 25771 | 25771 | 25771 | 25774 | 25771 | 25772 | 25780 | 25777 | 25778 | 25778 |
| Iterations | Min. Bytes | Reduction | Coverage |
|---|---|---|---|
| 100 | 25779 bytes | – | 100% |
| 1,000 | 25769 bytes | -10 bytes | 100% |
| 10,000 | 25767 bytes | -2 bytes | 100% |
| 100,000 | 25763 bytes | -4 bytes | 2.90% |
| 1,000,000 | – | – | – |
| 10,000,000 | – | – | – |
| Blocks | Min. Bytes | Compared To Best Zopfli | Compared To Best KZIP |
|---|---|---|---|
| (any) | 25825 bytes | +62 bytes (+0.24%) | +1 byte |
| 1 | 25825 bytes | +62 bytes (+0.24%) | +1 byte |
| 2 | 25824 bytes | +61 bytes (+0.24%) | – |
| 3 | 25828 bytes | +65 bytes (+0.25%) | +4 bytes |
| 4 | 25859 bytes | +96 bytes (+0.37%) | +35 bytes |
| 5 | 25848 bytes | +85 bytes (+0.33%) | +24 bytes |
| 6 | 25875 bytes | +112 bytes (+0.43%) | +51 bytes |
| 7 | 25902 bytes | +139 bytes (+0.54%) | +78 bytes |
| 8 | 25944 bytes | +181 bytes (+0.70%) | +120 bytes |
| Algorithm | Program | Parameters | Size | Compared To Best Zopfli |
|---|---|---|---|---|
| ZPAQ (Wikipedia) | zpaq | zpaq -method 69 | 21278 bytes | -4485 bytes (-17.41%) |
| RAR (proprietary) | RAR | rar a -m5 -md64m -mc63:128t -mt1 | 21734 bytes | -4029 bytes (-15.64%) |
| PPMd (Wikipedia) | 7zip | 7za a -mx=9 -m0=ppmd | 22647 bytes | -3116 bytes (-12.09%) |
| Brotli (Wikipedia) | brotli | brotli -q 11 | 24034 bytes | -1729 bytes (-6.71%) |
| Burrows-Wheeler transform (Wikipedia) | bzip2 | bzip2 -9 | 24329 bytes | -1434 bytes (-5.57%) |
| LZMA2 (Wikipedia) | xz | xz -9 | 24868 bytes | -895 bytes (-3.47%) |
| Zstandard (Wikipedia) | zstd | zstd -19 | 25409 bytes | -354 bytes (-1.37%) |