| Boot |
28498 bytes (27.8k)
|
CDN |
| cdnjs |
24609 bytes (24.0k)
|
CDN |
| gzip -6 (default) |
24443 bytes (23.9k)
|
local copy |
| jsdelivr |
24377 bytes (23.8k)
|
CDN |
| unpkg |
24376 bytes (23.8k)
|
CDN |
| gzip -9 |
24351 bytes (23.8k)
|
local copy |
| libdeflate -12 |
23613 bytes (23.1k)
|
local copy |
| 7zip -mx=9 -tgzip |
23562 bytes (23.0k)
|
local copy |
| kzip -s0 -rn -b4 |
23521 bytes (23.0k)
|
local copy |
| pigz -11 -n |
23503 bytes (23.0k)
|
local copy |
| zultra |
23498 bytes (22.9k)
|
local copy |
| Zopfli |
23461 bytes (22.9k)
|
local copy |
| Zopfli (defluff) |
23459 bytes (22.9k)
|
local copy |
| Description | Value | Parameter |
|---|---|---|
| iterations | 100000 | --i100000 |
| maximum blocks | 8 | --mb8 |
| maximum length score | 2 | --mls2 |
| block splitting recursion | 14 | --bsr14 |
| 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 | 28498 bytes | 9a52e47de13d022fb5200917534256db | (invalid) |
| cdnjs | 24609 bytes | 9a52e47de13d022fb5200917534256db | (invalid) |
| jsdelivr | 24377 bytes | 9a52e47de13d022fb5200917534256db | (invalid) |
| unpkg | 24376 bytes | 9a52e47de13d022fb5200917534256db | April 6, 2017 @ 17:25 |
| Size | Improvement | Parameters | Found |
|---|---|---|---|
| 23461 bytes | -1 byte | zopfli --i100000 --mls2 --bsr14 --lazy --ohh | April 10, 2017 @ 14:27 |
| 23462 bytes | -1 byte | zopfli --i10000 --mls2 --bsr14 --lazy --ohh | April 7, 2017 @ 00:16 |
| 23463 bytes | -4 bytes | zopfli --i1000 --mls2 --bsr14 --lazy --ohh | April 6, 2017 @ 18:59 |
| 23467 bytes | -9 bytes | zopfli --i1000 --mls4096 --bsr18 --lazy --ohh | April 6, 2017 @ 18:57 |
| 23476 bytes | -4 bytes | zopfli --i1000 --mls4 --bsr17 --lazy --ohh | April 6, 2017 @ 18:56 |
| 23480 bytes | – | zopfli --i100 --mls2 --bsr30 --lazy --ohh | April 6, 2017 @ 18:14 |
| 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 | 23466 | 23469 | 23478 | 23480 | 23481 | 23482 | 23482 | 23482 | 23480 | 23480 | 23480 | 23464 | 23467 | 23492 | 23485 |
| 4 | 23476 | 23475 | 23479 | 23479 | 23481 | 23484 | 23483 | 23480 | 23477 | 23478 | 23479 | 23482 | 23484 | 23482 | 23482 |
| 6 | 23477 | 23476 | 23484 | 23483 | 23483 | 23475 | 23484 | 23478 | 23477 | 23479 | 23485 | 23485 | 23474 | 23481 | 23481 |
| 7 | 23477 | 23474 | 23479 | 23477 | 23484 | 23484 | 23477 | 23476 | 23477 | 23477 | 23478 | 23472 | 23467 | 23481 | 23479 |
| 8 | 23477 | 23476 | 23465 | 23483 | 23465 | 23485 | 23477 | 23477 | 23477 | 23482 | 23480 | 23472 | 23471 | 23481 | 23481 |
| 9 | 23476 | 23476 | 23479 | 23483 | 23485 | 23485 | 23484 | 23476 | 23477 | 23479 | 23475 | 23481 | 23469 | 23481 | 23476 |
| 10 | 23479 | 23477 | 23479 | 23484 | 23482 | 23485 | 23477 | 23476 | 23477 | 23477 | 23476 | 23463 | 23473 | 23482 | 23481 |
| 11 | 23475 | 23474 | 23484 | 23483 | 23484 | 23484 | 23484 | 23484 | 23477 | 23477 | 23478 | 23487 | 23466 | 23478 | 23475 |
| 12 | 23478 | 23475 | 23479 | 23483 | 23484 | 23485 | 23484 | 23484 | 23477 | 23479 | 23485 | 23465 | 23474 | 23481 | 23481 |
| 13 | 23471 | 23476 | 23478 | 23483 | 23484 | 23485 | 23477 | 23484 | 23477 | 23479 | 23476 | 23481 | 23466 | 23475 | 23476 |
| 14 | 23461 | 23475 | 23467 | 23477 | 23477 | 23484 | 23483 | 23476 | 23477 | 23477 | 23485 | 23484 | 23477 | 23481 | 23482 |
| 15 | 23477 | 23474 | 23479 | 23485 | 23485 | 23484 | 23477 | 23476 | 23477 | 23477 | 23484 | 23480 | 23465 | 23481 | 23476 |
| 16 | 23464 | 23474 | 23465 | 23478 | 23484 | 23484 | 23484 | 23475 | 23477 | 23484 | 23482 | 23471 | 23478 | 23483 | 23484 |
| 17 | 23477 | 23474 | 23478 | 23475 | 23484 | 23485 | 23484 | 23484 | 23477 | 23477 | 23485 | 23481 | 23473 | 23481 | 23476 |
| 18 | 23476 | 23474 | 23479 | 23483 | 23484 | 23484 | 23484 | 23478 | 23477 | 23477 | 23478 | 23465 | 23475 | 23481 | 23482 |
| 19 | 23477 | 23476 | 23479 | 23483 | 23484 | 23484 | 23483 | 23478 | 23477 | 23477 | 23477 | 23481 | 23472 | 23480 | 23480 |
| 20 | 23467 | 23464 | 23467 | 23478 | 23483 | 23484 | 23484 | 23476 | 23482 | 23477 | 23481 | 23478 | 23472 | 23480 | 23480 |
| 21 | 23477 | 23474 | 23479 | 23483 | 23484 | 23485 | 23484 | 23484 | 23477 | 23482 | 23476 | 23465 | 23477 | 23480 | 23482 |
| 22 | 23477 | 23475 | 23479 | 23484 | 23484 | 23484 | 23484 | 23476 | 23477 | 23477 | 23476 | 23480 | 23481 | 23480 | 23482 |
| 23 | 23475 | 23474 | 23479 | 23483 | 23482 | 23484 | 23484 | 23476 | 23477 | 23480 | 23484 | 23479 | 23474 | 23481 | 23481 |
| 25 | 23475 | 23475 | 23478 | 23483 | 23484 | 23485 | 23484 | 23476 | 23477 | 23479 | 23485 | 23480 | 23471 | 23475 | 23480 |
| 30 | 23461 | 23464 | 23466 | 23465 | 23483 | 23484 | 23477 | 23477 | 23477 | 23477 | 23478 | 23478 | 23471 | 23482 | 23480 |
| 40 | 23467 | 23475 | 23485 | 23479 | 23465 | 23483 | 23477 | 23477 | 23477 | 23477 | 23484 | 23478 | 23468 | 23481 | 23475 |
| Iterations | Min. Bytes | Reduction | Coverage |
|---|---|---|---|
| 100 | 23480 bytes | – | 100% |
| 1,000 | 23463 bytes | -17 bytes | 100% |
| 10,000 | 23462 bytes | -1 byte | 100% |
| 100,000 | 23461 bytes | -1 byte | 2.03% |
| 1,000,000 | – | – | – |
| 10,000,000 | – | – | – |
| Blocks | Min. Bytes | Compared To Best Zopfli | Compared To Best KZIP |
|---|---|---|---|
| (any) | 23530 bytes | +69 bytes (+0.29%) | +9 bytes |
| 1 | 23531 bytes | +70 bytes (+0.30%) | +10 bytes |
| 2 | 23525 bytes | +64 bytes (+0.27%) | +4 bytes |
| 3 | 23533 bytes | +72 bytes (+0.31%) | +12 bytes |
| 4 | 23521 bytes | +60 bytes (+0.26%) | – |
| 5 | 23555 bytes | +94 bytes (+0.40%) | +34 bytes |
| 6 | 23589 bytes | +128 bytes (+0.55%) | +68 bytes |
| 7 | 23620 bytes | +159 bytes (+0.68%) | +99 bytes |
| 8 | 23656 bytes | +195 bytes (+0.83%) | +135 bytes |
| Algorithm | Program | Parameters | Size | Compared To Best Zopfli |
|---|---|---|---|---|
| ZPAQ (Wikipedia) | zpaq | zpaq -method 69 | 19543 bytes | -3918 bytes (-16.70%) |
| RAR (proprietary) | RAR | rar a -m5 -md64m -mc63:128t -mt1 | 19860 bytes | -3601 bytes (-15.35%) |
| PPMd (Wikipedia) | 7zip | 7za a -mx=9 -m0=ppmd | 20410 bytes | -3051 bytes (-13.00%) |
| Brotli (Wikipedia) | brotli | brotli -q 11 | 21983 bytes | -1478 bytes (-6.30%) |
| Burrows-Wheeler transform (Wikipedia) | bzip2 | bzip2 -9 | 22273 bytes | -1188 bytes (-5.06%) |
| LZMA2 (Wikipedia) | xz | xz -9 | 22780 bytes | -681 bytes (-2.90%) |
| Zstandard (Wikipedia) | zstd | zstd -19 | 23271 bytes | -190 bytes (-0.81%) |