| Boot |
29575 bytes (28.9k)
|
CDN |
| cdnjs |
25571 bytes (25.0k)
|
CDN |
| gzip -6 (default) |
25381 bytes (24.8k)
|
local copy |
| jsdelivr |
25302 bytes (24.7k)
|
CDN |
| unpkg |
25297 bytes (24.7k)
|
CDN |
| gzip -9 |
25285 bytes (24.7k)
|
local copy |
| libdeflate -12 |
24494 bytes (23.9k)
|
local copy |
| 7zip -mx=9 -tgzip |
24482 bytes (23.9k)
|
local copy |
| kzip -s0 -rn -b4 |
24444 bytes (23.9k)
|
local copy |
| pigz -11 -n |
24416 bytes (23.8k)
|
local copy |
| zultra |
24414 bytes (23.8k)
|
local copy |
| Zopfli |
24378 bytes (23.8k)
|
local copy |
| Zopfli (defluff) |
24377 bytes (23.8k)
|
local copy |
| Description | Value | Parameter |
|---|---|---|
| iterations | 100000 | --i100000 |
| maximum blocks | 8 | --mb8 |
| maximum length score | 8192 | --mls8192 |
| block splitting recursion | 20 | --bsr20 |
| 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 | 29575 bytes | fc512ede9a4ab1bee5eaedd4fdeea1dd | (invalid) |
| cdnjs | 25571 bytes | fc512ede9a4ab1bee5eaedd4fdeea1dd | (invalid) |
| jsdelivr | 25302 bytes | fc512ede9a4ab1bee5eaedd4fdeea1dd | (invalid) |
| unpkg | 25297 bytes | fc512ede9a4ab1bee5eaedd4fdeea1dd | April 6, 2017 @ 17:25 |
| Size | Improvement | Parameters | Found |
|---|---|---|---|
| 24378 bytes | -4 bytes | zopfli --i100000 --mls8192 --bsr20 --lazy --ohh | April 9, 2017 @ 07:59 |
| 24382 bytes | -2 bytes | zopfli --i10000 --mls8192 --bsr20 --lazy --ohh | April 7, 2017 @ 01:40 |
| 24384 bytes | -8 bytes | zopfli --i1000 --mls8192 --bsr20 --lazy --ohh | April 6, 2017 @ 18:59 |
| 24392 bytes | -3 bytes | zopfli --i1000 --mls64 --bsr2 --lazy --ohh | April 6, 2017 @ 18:57 |
| 24395 bytes | – | zopfli --i100 --mls8192 --bsr20 --lazy --ohh | April 6, 2017 @ 18:12 |
| 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 | 24412 | 24391 | 24391 | 24406 | 24389 | 24389 | 24391 | 24391 | 24404 | 24401 | 24403 | 24390 | 24391 | 24410 | 24410 |
| 4 | 24405 | 24406 | 24403 | 24403 | 24404 | 24401 | 24403 | 24404 | 24403 | 24404 | 24402 | 24403 | 24399 | 24412 | 24405 |
| 6 | 24405 | 24405 | 24403 | 24405 | 24403 | 24387 | 24403 | 24388 | 24404 | 24403 | 24401 | 24400 | 24403 | 24406 | 24403 |
| 7 | 24406 | 24406 | 24407 | 24403 | 24401 | 24389 | 24407 | 24404 | 24405 | 24405 | 24402 | 24406 | 24406 | 24406 | 24407 |
| 8 | 24405 | 24405 | 24403 | 24403 | 24403 | 24401 | 24403 | 24385 | 24404 | 24406 | 24403 | 24403 | 24388 | 24404 | 24405 |
| 9 | 24403 | 24402 | 24403 | 24402 | 24401 | 24401 | 24403 | 24403 | 24403 | 24403 | 24401 | 24402 | 24403 | 24405 | 24403 |
| 10 | 24403 | 24405 | 24403 | 24403 | 24400 | 24403 | 24403 | 24403 | 24404 | 24402 | 24391 | 24402 | 24402 | 24405 | 24406 |
| 11 | 24403 | 24405 | 24402 | 24403 | 24402 | 24403 | 24403 | 24388 | 24402 | 24405 | 24402 | 24395 | 24388 | 24404 | 24406 |
| 12 | 24403 | 24407 | 24402 | 24402 | 24403 | 24403 | 24403 | 24404 | 24403 | 24403 | 24401 | 24402 | 24402 | 24406 | 24406 |
| 13 | 24405 | 24405 | 24402 | 24405 | 24403 | 24403 | 24404 | 24402 | 24406 | 24406 | 24404 | 24402 | 24392 | 24405 | 24406 |
| 14 | 24405 | 24405 | 24403 | 24403 | 24401 | 24403 | 24402 | 24404 | 24402 | 24407 | 24402 | 24402 | 24381 | 24402 | 24400 |
| 15 | 24405 | 24405 | 24404 | 24402 | 24401 | 24403 | 24403 | 24402 | 24405 | 24405 | 24402 | 24402 | 24402 | 24408 | 24413 |
| 16 | 24405 | 24405 | 24401 | 24403 | 24402 | 24403 | 24400 | 24400 | 24405 | 24401 | 24402 | 24402 | 24402 | 24405 | 24406 |
| 17 | 24403 | 24405 | 24402 | 24403 | 24402 | 24401 | 24403 | 24404 | 24403 | 24406 | 24387 | 24394 | 24384 | 24405 | 24405 |
| 18 | 24405 | 24405 | 24403 | 24403 | 24402 | 24403 | 24403 | 24404 | 24406 | 24402 | 24403 | 24401 | 24403 | 24406 | 24406 |
| 19 | 24405 | 24406 | 24402 | 24405 | 24405 | 24401 | 24403 | 24402 | 24406 | 24405 | 24402 | 24402 | 24403 | 24406 | 24401 |
| 20 | 24403 | 24403 | 24404 | 24403 | 24403 | 24403 | 24402 | 24388 | 24402 | 24403 | 24401 | 24404 | 24378 | 24405 | 24406 |
| 21 | 24401 | 24406 | 24403 | 24402 | 24406 | 24403 | 24403 | 24386 | 24403 | 24403 | 24402 | 24402 | 24403 | 24406 | 24404 |
| 22 | 24405 | 24405 | 24405 | 24405 | 24403 | 24403 | 24403 | 24384 | 24402 | 24402 | 24401 | 24402 | 24403 | 24405 | 24406 |
| 23 | 24403 | 24405 | 24402 | 24403 | 24402 | 24401 | 24402 | 24404 | 24406 | 24401 | 24402 | 24402 | 24388 | 24402 | 24406 |
| 25 | 24405 | 24405 | 24402 | 24402 | 24402 | 24403 | 24403 | 24403 | 24402 | 24403 | 24404 | 24403 | 24402 | 24408 | 24405 |
| 30 | 24405 | 24405 | 24402 | 24403 | 24402 | 24403 | 24402 | 24403 | 24402 | 24407 | 24403 | 24402 | 24397 | 24404 | 24406 |
| 40 | 24405 | 24405 | 24402 | 24403 | 24402 | 24401 | 24403 | 24402 | 24406 | 24402 | 24407 | 24394 | 24395 | 24405 | 24406 |
| Iterations | Min. Bytes | Reduction | Coverage |
|---|---|---|---|
| 100 | 24395 bytes | – | 100% |
| 1,000 | 24384 bytes | -11 bytes | 100% |
| 10,000 | 24382 bytes | -2 bytes | 100% |
| 100,000 | 24378 bytes | -4 bytes | 3.48% |
| 1,000,000 | – | – | – |
| 10,000,000 | – | – | – |
| Blocks | Min. Bytes | Compared To Best Zopfli | Compared To Best KZIP |
|---|---|---|---|
| (any) | 24460 bytes | +82 bytes (+0.34%) | +16 bytes |
| 1 | 24460 bytes | +82 bytes (+0.34%) | +16 bytes |
| 2 | 24453 bytes | +75 bytes (+0.31%) | +9 bytes |
| 3 | 24461 bytes | +83 bytes (+0.34%) | +17 bytes |
| 4 | 24444 bytes | +66 bytes (+0.27%) | – |
| 5 | 24485 bytes | +107 bytes (+0.44%) | +41 bytes |
| 6 | 24512 bytes | +134 bytes (+0.55%) | +68 bytes |
| 7 | 24538 bytes | +160 bytes (+0.66%) | +94 bytes |
| 8 | 24565 bytes | +187 bytes (+0.77%) | +121 bytes |
| Algorithm | Program | Parameters | Size | Compared To Best Zopfli |
|---|---|---|---|---|
| ZPAQ (Wikipedia) | zpaq | zpaq -method 69 | 20252 bytes | -4126 bytes (-16.93%) |
| RAR (proprietary) | RAR | rar a -m5 -md64m -mc63:128t -mt1 | 20581 bytes | -3797 bytes (-15.58%) |
| PPMd (Wikipedia) | 7zip | 7za a -mx=9 -m0=ppmd | 21422 bytes | -2956 bytes (-12.13%) |
| Brotli (Wikipedia) | brotli | brotli -q 11 | 22807 bytes | -1571 bytes (-6.44%) |
| Burrows-Wheeler transform (Wikipedia) | bzip2 | bzip2 -9 | 23086 bytes | -1292 bytes (-5.30%) |
| LZMA2 (Wikipedia) | xz | xz -9 | 23596 bytes | -782 bytes (-3.21%) |
| Zstandard (Wikipedia) | zstd | zstd -19 | 24109 bytes | -269 bytes (-1.10%) |