| Boot |
33221 bytes (32.4k)
|
CDN |
| Baidu |
29513 bytes (28.8k)
|
CDN |
| cdnjs |
29426 bytes (28.7k)
|
CDN |
| jsdelivr |
29327 bytes (28.6k)
|
CDN |
| gzip -6 (default) |
29305 bytes (28.6k)
|
local copy |
|
29284 bytes (28.6k)
|
CDN | |
| Sina |
29252 bytes (28.6k)
|
CDN |
| gzip -9 |
29242 bytes (28.6k)
|
local copy |
| libdeflate -12 |
28385 bytes (27.7k)
|
local copy |
| 7zip -mx=9 -tgzip |
28368 bytes (27.7k)
|
local copy |
| kzip -s0 -rn -b1 |
28338 bytes (27.7k)
|
local copy |
| zultra |
28326 bytes (27.7k)
|
local copy |
| pigz -11 -n |
28307 bytes (27.6k)
|
local copy |
| Zopfli |
28281 bytes (27.6k)
|
local copy |
| Description | Value | Parameter |
|---|---|---|
| iterations | 100000 | --i100000 |
| maximum blocks | 8 | --mb8 |
| maximum length score | 128 | --mls128 |
| block splitting recursion | 40 | --bsr40 |
| 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 | 33221 bytes | 2a3aff500eaafdac1cde30437495f138 | March 18, 2015 @ 10:13 |
| cdnjs | 29426 bytes | 2a3aff500eaafdac1cde30437495f138 | (invalid) |
| 29284 bytes | 2a3aff500eaafdac1cde30437495f138 | (invalid) | |
| Sina | 29252 bytes | 2a3aff500eaafdac1cde30437495f138 | (invalid) |
| CDN | Size (compressed) | MD5 (uncompressed) | Comment / Diff | Timestamp |
|---|---|---|---|---|
| Baidu | 29513 bytes | 9bb99813b153f831a15803261bef399f | only whitespaces differ | June 5, 2014 @ 10:05 |
| jsdelivr | 29327 bytes | 9bb99813b153f831a15803261bef399f | only whitespaces differ | August 7, 2014 @ 18:28 |
| Size | Improvement | Parameters | Found |
|---|---|---|---|
| 28281 bytes | -3 bytes | zopfli --i100000 --mls128 --bsr40 --lazy --ohh | November 26, 2015 @ 16:14 |
| 28284 bytes | -1 byte | zopfli --i10000 --mls128 --bsr20 --lazy --ohh | October 14, 2015 @ 10:21 |
| 28285 bytes | -4 bytes | zopfli --i10000 --mls512 --bsr12 --lazy --ohh | September 10, 2015 @ 08:40 |
| 28289 bytes | -1 byte | zopfli --i1000 --mls1024 --bsr16 --lazy --ohh | September 7, 2015 @ 21:19 |
| 28290 bytes | -1 byte | zopfli --i1000 --mls512 --bsr12 --lazy --ohh | September 7, 2015 @ 21:18 |
| 28291 bytes | -1 byte | zopfli --i1000 --mls512 --bsr10 --lazy --ohh | September 7, 2015 @ 21:18 |
| 28292 bytes | – | zopfli --i100 --mls8192 --bsr14 --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 | 28291 | 28291 | 28290 | 28293 | 28290 | 28299 | 28289 | 28290 | 28291 | 28302 | 28300 | 28304 | 28303 | 28302 | 28313 |
| 4 | 28288 | 28293 | 28292 | 28295 | 28296 | 28287 | 28300 | 28302 | 28293 | 28297 | 28298 | 28289 | 28304 | 28304 | 28304 |
| 6 | 28317 | 28292 | 28299 | 28294 | 28294 | 28289 | 28298 | 28299 | 28289 | 28298 | 28298 | 28286 | 28305 | 28291 | 28307 |
| 7 | 28288 | 28292 | 28293 | 28290 | 28291 | 28289 | 28290 | 28295 | 28294 | 28297 | 28296 | 28303 | 28305 | 28297 | 28309 |
| 8 | 28313 | 28291 | 28291 | 28288 | 28303 | 28297 | 28289 | 28290 | 28298 | 28297 | 28297 | 28299 | 28305 | 28297 | 28309 |
| 9 | 28319 | 28288 | 28289 | 28290 | 28292 | 28287 | 28297 | 28288 | 28287 | 28297 | 28298 | 28291 | 28304 | 28307 | 28304 |
| 10 | 28287 | 28290 | 28293 | 28291 | 28292 | 28295 | 28289 | 28298 | 28287 | 28297 | 28299 | 28305 | 28305 | 28296 | 28308 |
| 11 | 28291 | 28290 | 28292 | 28288 | 28291 | 28290 | 28296 | 28288 | 28289 | 28298 | 28298 | 28297 | 28305 | 28308 | 28308 |
| 12 | 28286 | 28289 | 28293 | 28289 | 28303 | 28288 | 28296 | 28296 | 28285 | 28297 | 28298 | 28291 | 28304 | 28307 | 28305 |
| 13 | 28286 | 28285 | 28292 | 28291 | 28290 | 28286 | 28289 | 28295 | 28290 | 28296 | 28301 | 28303 | 28307 | 28297 | 28308 |
| 14 | 28290 | 28292 | 28292 | 28288 | 28291 | 28289 | 28286 | 28297 | 28289 | 28297 | 28298 | 28287 | 28285 | 28310 | 28307 |
| 15 | 28291 | 28292 | 28291 | 28289 | 28289 | 28287 | 28296 | 28290 | 28287 | 28287 | 28298 | 28292 | 28305 | 28289 | 28308 |
| 16 | 28319 | 28288 | 28291 | 28288 | 28302 | 28286 | 28297 | 28294 | 28286 | 28288 | 28297 | 28292 | 28304 | 28309 | 28306 |
| 17 | 28290 | 28292 | 28292 | 28288 | 28289 | 28291 | 28290 | 28297 | 28287 | 28297 | 28297 | 28304 | 28305 | 28304 | 28308 |
| 18 | 28318 | 28289 | 28290 | 28291 | 28289 | 28289 | 28290 | 28295 | 28287 | 28297 | 28300 | 28291 | 28304 | 28301 | 28308 |
| 19 | 28288 | 28291 | 28292 | 28290 | 28285 | 28286 | 28296 | 28295 | 28287 | 28296 | 28298 | 28291 | 28304 | 28296 | 28304 |
| 20 | 28285 | 28290 | 28291 | 28287 | 28289 | 28288 | 28281 | 28298 | 28289 | 28287 | 28301 | 28290 | 28299 | 28303 | 28308 |
| 21 | 28286 | 28286 | 28291 | 28288 | 28290 | 28290 | 28286 | 28297 | 28287 | 28296 | 28298 | 28289 | 28303 | 28296 | 28300 |
| 22 | 28319 | 28319 | 28292 | 28291 | 28288 | 28289 | 28288 | 28296 | 28301 | 28297 | 28298 | 28304 | 28305 | 28296 | 28307 |
| 23 | 28291 | 28291 | 28292 | 28288 | 28285 | 28288 | 28297 | 28295 | 28287 | 28286 | 28298 | 28290 | 28287 | 28300 | 28305 |
| 25 | 28285 | 28291 | 28291 | 28288 | 28299 | 28287 | 28289 | 28297 | 28287 | 28288 | 28298 | 28294 | 28305 | 28296 | 28302 |
| 30 | 28286 | 28289 | 28290 | 28289 | 28289 | 28287 | 28296 | 28295 | 28289 | 28298 | 28297 | 28291 | 28305 | 28307 | 28304 |
| 40 | 28286 | 28292 | 28291 | 28289 | 28288 | 28289 | 28281 | 28288 | 28289 | 28297 | 28298 | 28293 | 28304 | 28297 | 28305 |
| Iterations | Min. Bytes | Reduction | Coverage |
|---|---|---|---|
| 100 | 28292 bytes | – | 100% |
| 1,000 | 28287 bytes | -5 bytes | 100% |
| 10,000 | 28284 bytes | -3 bytes | 100% |
| 100,000 | 28281 bytes | -3 bytes | 0.58% |
| 1,000,000 | – | – | – |
| 10,000,000 | – | – | – |
| Blocks | Min. Bytes | Compared To Best Zopfli | Compared To Best KZIP |
|---|---|---|---|
| (any) | 28339 bytes | +58 bytes (+0.21%) | +1 byte |
| 1 | 28338 bytes | +57 bytes (+0.20%) | – |
| 2 | 28340 bytes | +59 bytes (+0.21%) | +2 bytes |
| 3 | 28371 bytes | +90 bytes (+0.32%) | +33 bytes |
| 4 | 28397 bytes | +116 bytes (+0.41%) | +59 bytes |
| 5 | 28406 bytes | +125 bytes (+0.44%) | +68 bytes |
| 6 | 28446 bytes | +165 bytes (+0.58%) | +108 bytes |
| 7 | 28434 bytes | +153 bytes (+0.54%) | +96 bytes |
| 8 | 28463 bytes | +182 bytes (+0.64%) | +125 bytes |
| Algorithm | Program | Parameters | Size | Compared To Best Zopfli |
|---|---|---|---|---|
| ZPAQ (Wikipedia) | zpaq | zpaq -method 69 | 23643 bytes | -4638 bytes (-16.40%) |
| RAR (proprietary) | RAR | rar a -m5 -md64m -mc63:128t -mt1 | 24197 bytes | -4084 bytes (-14.44%) |
| PPMd (Wikipedia) | 7zip | 7za a -mx=9 -m0=ppmd | 25060 bytes | -3221 bytes (-11.39%) |
| Brotli (Wikipedia) | brotli | brotli -q 11 | 26108 bytes | -2173 bytes (-7.68%) |
| Burrows-Wheeler transform (Wikipedia) | bzip2 | bzip2 -9 | 27076 bytes | -1205 bytes (-4.26%) |
| LZMA2 (Wikipedia) | xz | xz -9 | 27308 bytes | -973 bytes (-3.44%) |
| Zstandard (Wikipedia) | zstd | zstd -19 | 27930 bytes | -351 bytes (-1.24%) |