| Boot |
41584 bytes (40.6k)
|
CDN |
| Baidu |
36677 bytes (35.8k)
|
CDN |
| cdnjs |
36561 bytes (35.7k)
|
CDN |
| gzip -6 (default) |
36333 bytes (35.5k)
|
local copy |
|
36283 bytes (35.4k)
|
CDN | |
| gzip -9 |
36278 bytes (35.4k)
|
local copy |
| Yandex |
36276 bytes (35.4k)
|
CDN |
| jsdelivr |
36276 bytes (35.4k)
|
CDN |
| libdeflate -12 |
35225 bytes (34.4k)
|
local copy |
| zultra |
35216 bytes (34.4k)
|
local copy |
| 7zip -mx=9 -tgzip |
35208 bytes (34.4k)
|
local copy |
| kzip -s0 -rn -b0 |
35191 bytes (34.4k)
|
local copy |
| pigz -11 -n |
35166 bytes (34.3k)
|
local copy |
| Zopfli |
35129 bytes (34.3k)
|
local copy |
| Zopfli (defluff) |
35128 bytes (34.3k)
|
local copy |
| Description | Value | Parameter |
|---|---|---|
| iterations | 100000 | --i100000 |
| maximum blocks | 8 | --mb8 |
| maximum length score | 2 | --mls2 |
| block splitting recursion | 18 | --bsr18 |
| 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 | 41584 bytes | 1a6ea1e7aa5b1db4104b5b6741f1531e | March 18, 2015 @ 10:19 |
| cdnjs | 36561 bytes | 1a6ea1e7aa5b1db4104b5b6741f1531e | (invalid) |
| 36283 bytes | 1a6ea1e7aa5b1db4104b5b6741f1531e | (invalid) | |
| Yandex | 36276 bytes | 1a6ea1e7aa5b1db4104b5b6741f1531e | June 11, 2015 @ 14:17 |
| jsdelivr | 36276 bytes | 1a6ea1e7aa5b1db4104b5b6741f1531e | August 7, 2014 @ 18:30 |
| CDN | Size (compressed) | MD5 (uncompressed) | Comment / Diff | Timestamp |
|---|---|---|---|---|
| Baidu | 36677 bytes | 31910d74dea449be36c369c78cf5295c | only whitespaces differ | June 5, 2014 @ 10:05 |
| Size | Improvement | Parameters | Found |
|---|---|---|---|
| 35129 bytes | -4 bytes | zopfli --i100000 --mls2 --bsr18 --lazy --ohh | November 26, 2015 @ 18:32 |
| 35133 bytes | -2 bytes | zopfli --i10000 --mls2 --bsr18 --lazy --ohh | October 21, 2015 @ 13:04 |
| 35135 bytes | -1 byte | zopfli --i1000 --mls4 --bsr18 --lazy --ohh | September 22, 2015 @ 00:36 |
| 35136 bytes | -1 byte | zopfli --i10000 --mls8192 --bsr10 --lazy --ohh | September 10, 2015 @ 03:18 |
| 35137 bytes | -3 bytes | zopfli --i10000 --mls8192 --bsr6 --lazy --ohh | September 10, 2015 @ 03:03 |
| 35140 bytes | -2 bytes | zopfli --i1000 --mls8192 --bsr6 --lazy --ohh | September 7, 2015 @ 20:42 |
| 35142 bytes | -2 bytes | zopfli --i1000 --mls1024 --bsr16 --lazy --ohh | September 7, 2015 @ 20:40 |
| 35144 bytes | – | zopfli --i100 --mls8192 --bsr6 --lazy --ohh | September 7, 2015 @ 16:55 |
| 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 | 35162 | 35146 | 35148 | 35148 | 35149 | 35146 | 35147 | 35148 | 35150 | 35149 | 35150 | 35150 | 35150 | 35155 | 35157 |
| 4 | 35156 | 35156 | 35154 | 35153 | 35153 | 35153 | 35154 | 35147 | 35147 | 35148 | 35149 | 35148 | 35149 | 35143 | 35175 |
| 6 | 35148 | 35139 | 35148 | 35146 | 35148 | 35141 | 35152 | 35152 | 35149 | 35147 | 35148 | 35148 | 35137 | 35136 | 35171 |
| 7 | 35146 | 35146 | 35149 | 35149 | 35149 | 35145 | 35149 | 35150 | 35147 | 35149 | 35149 | 35149 | 35139 | 35137 | 35171 |
| 8 | 35155 | 35156 | 35158 | 35154 | 35157 | 35151 | 35147 | 35148 | 35150 | 35149 | 35150 | 35150 | 35140 | 35143 | 35151 |
| 9 | 35161 | 35135 | 35154 | 35152 | 35151 | 35156 | 35149 | 35148 | 35147 | 35148 | 35150 | 35148 | 35137 | 35138 | 35170 |
| 10 | 35147 | 35148 | 35154 | 35148 | 35148 | 35157 | 35144 | 35151 | 35149 | 35148 | 35147 | 35148 | 35136 | 35140 | 35172 |
| 11 | 35146 | 35147 | 35144 | 35144 | 35149 | 35144 | 35145 | 35148 | 35149 | 35148 | 35149 | 35146 | 35163 | 35136 | 35168 |
| 12 | 35146 | 35145 | 35151 | 35145 | 35148 | 35153 | 35149 | 35149 | 35147 | 35148 | 35149 | 35155 | 35153 | 35140 | 35160 |
| 13 | 35144 | 35148 | 35157 | 35144 | 35152 | 35144 | 35148 | 35149 | 35148 | 35150 | 35147 | 35147 | 35148 | 35140 | 35173 |
| 14 | 35149 | 35141 | 35149 | 35145 | 35148 | 35154 | 35148 | 35148 | 35147 | 35147 | 35149 | 35147 | 35148 | 35137 | 35158 |
| 15 | 35136 | 35145 | 35149 | 35146 | 35148 | 35145 | 35149 | 35148 | 35149 | 35140 | 35149 | 35148 | 35139 | 35140 | 35173 |
| 16 | 35148 | 35142 | 35149 | 35144 | 35148 | 35145 | 35148 | 35149 | 35146 | 35140 | 35149 | 35144 | 35140 | 35140 | 35149 |
| 17 | 35146 | 35144 | 35148 | 35144 | 35148 | 35145 | 35147 | 35148 | 35150 | 35148 | 35147 | 35147 | 35156 | 35139 | 35167 |
| 18 | 35129 | 35131 | 35149 | 35145 | 35144 | 35145 | 35149 | 35148 | 35147 | 35148 | 35149 | 35147 | 35148 | 35140 | 35172 |
| 19 | 35145 | 35147 | 35147 | 35146 | 35144 | 35146 | 35145 | 35148 | 35147 | 35148 | 35149 | 35147 | 35155 | 35139 | 35172 |
| 20 | 35149 | 35144 | 35149 | 35148 | 35148 | 35145 | 35149 | 35147 | 35147 | 35149 | 35148 | 35148 | 35140 | 35139 | 35151 |
| 21 | 35134 | 35134 | 35136 | 35145 | 35144 | 35145 | 35151 | 35148 | 35147 | 35148 | 35148 | 35146 | 35139 | 35140 | 35149 |
| 22 | 35139 | 35139 | 35149 | 35148 | 35148 | 35145 | 35145 | 35148 | 35151 | 35148 | 35148 | 35148 | 35140 | 35141 | 35172 |
| 23 | 35148 | 35148 | 35148 | 35145 | 35149 | 35145 | 35149 | 35149 | 35147 | 35149 | 35148 | 35147 | 35141 | 35139 | 35175 |
| 25 | 35146 | 35142 | 35153 | 35148 | 35148 | 35144 | 35149 | 35150 | 35149 | 35148 | 35148 | 35147 | 35139 | 35141 | 35159 |
| 30 | 35135 | 35136 | 35140 | 35140 | 35137 | 35134 | 35150 | 35148 | 35147 | 35148 | 35149 | 35148 | 35140 | 35138 | 35170 |
| 40 | 35148 | 35143 | 35152 | 35149 | 35148 | 35149 | 35150 | 35148 | 35147 | 35148 | 35149 | 35147 | 35138 | 35140 | 35175 |
| Iterations | Min. Bytes | Reduction | Coverage |
|---|---|---|---|
| 100 | 35142 bytes | – | 100% |
| 1,000 | 35135 bytes | -7 bytes | 100% |
| 10,000 | 35133 bytes | -2 bytes | 100% |
| 100,000 | 35129 bytes | -4 bytes | 0.58% |
| 1,000,000 | – | – | – |
| 10,000,000 | – | – | – |
| Blocks | Min. Bytes | Compared To Best Zopfli | Compared To Best KZIP |
|---|---|---|---|
| (any) | 35191 bytes | +62 bytes (+0.18%) | – |
| 1 | 35192 bytes | +63 bytes (+0.18%) | +1 byte |
| 2 | 35222 bytes | +93 bytes (+0.26%) | +31 bytes |
| 3 | 35243 bytes | +114 bytes (+0.32%) | +52 bytes |
| 4 | 35202 bytes | +73 bytes (+0.21%) | +11 bytes |
| 5 | 35213 bytes | +84 bytes (+0.24%) | +22 bytes |
| 6 | 35247 bytes | +118 bytes (+0.34%) | +56 bytes |
| 7 | 35262 bytes | +133 bytes (+0.38%) | +71 bytes |
| 8 | 35287 bytes | +158 bytes (+0.45%) | +96 bytes |
| Algorithm | Program | Parameters | Size | Compared To Best Zopfli |
|---|---|---|---|---|
| ZPAQ (Wikipedia) | zpaq | zpaq -method 69 | 28686 bytes | -6443 bytes (-18.34%) |
| RAR (proprietary) | RAR | rar a -m5 -md64m -mc63:128t -mt1 | 29700 bytes | -5429 bytes (-15.45%) |
| PPMd (Wikipedia) | 7zip | 7za a -mx=9 -m0=ppmd | 30950 bytes | -4179 bytes (-11.90%) |
| Brotli (Wikipedia) | brotli | brotli -q 11 | 32329 bytes | -2800 bytes (-7.97%) |
| Burrows-Wheeler transform (Wikipedia) | bzip2 | bzip2 -9 | 33367 bytes | -1762 bytes (-5.02%) |
| LZMA2 (Wikipedia) | xz | xz -9 | 33680 bytes | -1449 bytes (-4.12%) |
| Zstandard (Wikipedia) | zstd | zstd -19 | 34554 bytes | -575 bytes (-1.64%) |