| Boot |
29009 bytes (28.3k)
|
CDN |
| cdnjs |
25494 bytes (24.9k)
|
CDN |
| unpkg |
25330 bytes (24.7k)
|
CDN |
| gzip -6 (default) |
25327 bytes (24.7k)
|
local copy |
| gzip -9 |
25313 bytes (24.7k)
|
local copy |
| jsdelivr |
25292 bytes (24.7k)
|
CDN |
| 7zip -mx=9 -tgzip |
24506 bytes (23.9k)
|
local copy |
| kzip -s0 -rn -b0 |
24491 bytes (23.9k)
|
local copy |
| libdeflate -12 |
24482 bytes (23.9k)
|
local copy |
| pigz -11 -n |
24477 bytes (23.9k)
|
local copy |
| zultra |
24456 bytes (23.9k)
|
local copy |
| Zopfli |
24402 bytes (23.8k)
|
local copy |
| Zopfli (defluff) |
24400 bytes (23.8k)
|
local copy |
| Description | Value | Parameter |
|---|---|---|
| iterations | 100000 | --i100000 |
| maximum blocks | 8 | --mb8 |
| maximum length score | 512 | --mls512 |
| block splitting recursion | 8 | --bsr8 |
| 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 | 29009 bytes | cd5724369f8007fba15959b70fc84ebd | (invalid) |
| cdnjs | 25494 bytes | cd5724369f8007fba15959b70fc84ebd | (invalid) |
| unpkg | 25330 bytes | cd5724369f8007fba15959b70fc84ebd | April 4, 2017 @ 10:09 |
| jsdelivr | 25292 bytes | cd5724369f8007fba15959b70fc84ebd | (invalid) |
| Size | Improvement | Parameters | Found |
|---|---|---|---|
| 24402 bytes | -2 bytes | zopfli --i100000 --mls512 --bsr8 --lazy --ohh | April 4, 2017 @ 11:48 |
| 24404 bytes | -4 bytes | zopfli --i10000 --mls512 --bsr8 --lazy --ohh | April 4, 2017 @ 11:17 |
| 24408 bytes | -5 bytes | zopfli --i1000 --mls512 --bsr8 --lazy --ohh | April 4, 2017 @ 10:39 |
| 24413 bytes | – | zopfli --i100 --mls512 --bsr8 --lazy --ohh | April 4, 2017 @ 10:24 |
| 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 | 24460 | 24460 | 24460 | 24452 | 24454 | 24450 | 24440 | 24459 | 24443 | 24459 | 24461 | 24462 | 24458 | 24459 | 24455 |
| 4 | 24438 | 24445 | 24441 | 24437 | 24441 | 24451 | 24446 | 24446 | 24446 | 24458 | 24444 | 24457 | 24462 | 24453 | 24453 |
| 6 | 24445 | 24447 | 24454 | 24452 | 24412 | 24450 | 24449 | 24447 | 24412 | 24460 | 24461 | 24458 | 24460 | 24453 | 24453 |
| 7 | 24444 | 24446 | 24434 | 24447 | 24430 | 24432 | 24440 | 24440 | 24446 | 24460 | 24452 | 24457 | 24457 | 24447 | 24453 |
| 8 | 24409 | 24409 | 24409 | 24412 | 24413 | 24441 | 24452 | 24457 | 24402 | 24406 | 24460 | 24458 | 24434 | 24454 | 24446 |
| 9 | 24439 | 24423 | 24438 | 24439 | 24429 | 24428 | 24432 | 24441 | 24440 | 24459 | 24441 | 24438 | 24442 | 24448 | 24453 |
| 10 | 24434 | 24438 | 24438 | 24438 | 24429 | 24427 | 24429 | 24441 | 24439 | 24454 | 24439 | 24440 | 24433 | 24453 | 24453 |
| 11 | 24435 | 24432 | 24437 | 24437 | 24437 | 24422 | 24437 | 24442 | 24409 | 24438 | 24439 | 24438 | 24450 | 24443 | 24459 |
| 12 | 24437 | 24437 | 24442 | 24441 | 24438 | 24417 | 24437 | 24441 | 24406 | 24460 | 24436 | 24438 | 24458 | 24454 | 24455 |
| 13 | 24425 | 24423 | 24427 | 24423 | 24440 | 24430 | 24437 | 24439 | 24437 | 24459 | 24440 | 24439 | 24439 | 24440 | 24454 |
| 14 | 24433 | 24421 | 24422 | 24420 | 24425 | 24425 | 24438 | 24439 | 24446 | 24438 | 24441 | 24438 | 24441 | 24446 | 24454 |
| 15 | 24435 | 24431 | 24435 | 24428 | 24437 | 24426 | 24437 | 24445 | 24441 | 24460 | 24454 | 24462 | 24443 | 24441 | 24454 |
| 16 | 24428 | 24442 | 24430 | 24439 | 24428 | 24414 | 24446 | 24440 | 24407 | 24460 | 24460 | 24458 | 24441 | 24450 | 24454 |
| 17 | 24428 | 24431 | 24438 | 24424 | 24405 | 24430 | 24419 | 24447 | 24438 | 24460 | 24460 | 24459 | 24432 | 24447 | 24453 |
| 18 | 24432 | 24439 | 24435 | 24405 | 24415 | 24423 | 24440 | 24441 | 24441 | 24460 | 24460 | 24459 | 24441 | 24448 | 24452 |
| 19 | 24440 | 24425 | 24440 | 24423 | 24423 | 24423 | 24433 | 24406 | 24440 | 24403 | 24454 | 24443 | 24442 | 24453 | 24455 |
| 20 | 24441 | 24438 | 24425 | 24422 | 24433 | 24443 | 24444 | 24441 | 24440 | 24460 | 24437 | 24439 | 24440 | 24447 | 24455 |
| 21 | 24433 | 24439 | 24438 | 24432 | 24438 | 24427 | 24441 | 24442 | 24440 | 24456 | 24441 | 24459 | 24438 | 24454 | 24454 |
| 22 | 24430 | 24434 | 24434 | 24439 | 24438 | 24428 | 24442 | 24440 | 24405 | 24454 | 24441 | 24459 | 24443 | 24448 | 24453 |
| 23 | 24433 | 24430 | 24435 | 24424 | 24439 | 24423 | 24434 | 24408 | 24441 | 24460 | 24441 | 24439 | 24444 | 24455 | 24453 |
| 25 | 24433 | 24430 | 24436 | 24441 | 24441 | 24420 | 24438 | 24440 | 24406 | 24438 | 24441 | 24439 | 24439 | 24435 | 24454 |
| 30 | 24434 | 24424 | 24439 | 24440 | 24438 | 24430 | 24439 | 24440 | 24407 | 24460 | 24441 | 24457 | 24439 | 24453 | 24452 |
| 40 | 24432 | 24440 | 24443 | 24421 | 24429 | 24422 | 24436 | 24440 | 24442 | 24459 | 24438 | 24441 | 24440 | 24448 | 24451 |
| Iterations | Min. Bytes | Reduction | Coverage |
|---|---|---|---|
| 100 | 24413 bytes | – | 100% |
| 1,000 | 24408 bytes | -5 bytes | 100% |
| 10,000 | 24404 bytes | -4 bytes | 100% |
| 100,000 | 24402 bytes | -2 bytes | 2.61% |
| 1,000,000 | – | – | – |
| 10,000,000 | – | – | – |
| Blocks | Min. Bytes | Compared To Best Zopfli | Compared To Best KZIP |
|---|---|---|---|
| (any) | 24491 bytes | +89 bytes (+0.36%) | – |
| 1 | 24493 bytes | +91 bytes (+0.37%) | +2 bytes |
| 2 | 24508 bytes | +106 bytes (+0.43%) | +17 bytes |
| 3 | 24505 bytes | +103 bytes (+0.42%) | +14 bytes |
| 4 | 24503 bytes | +101 bytes (+0.41%) | +12 bytes |
| 5 | 24524 bytes | +122 bytes (+0.50%) | +33 bytes |
| 6 | 24558 bytes | +156 bytes (+0.64%) | +67 bytes |
| 7 | 24589 bytes | +187 bytes (+0.77%) | +98 bytes |
| 8 | 24609 bytes | +207 bytes (+0.85%) | +118 bytes |
| Algorithm | Program | Parameters | Size | Compared To Best Zopfli |
|---|---|---|---|---|
| ZPAQ (Wikipedia) | zpaq | zpaq -method 69 | 20600 bytes | -3802 bytes (-15.58%) |
| RAR (proprietary) | RAR | rar a -m5 -md64m -mc63:128t -mt1 | 20993 bytes | -3409 bytes (-13.97%) |
| PPMd (Wikipedia) | 7zip | 7za a -mx=9 -m0=ppmd | 21057 bytes | -3345 bytes (-13.71%) |
| Brotli (Wikipedia) | brotli | brotli -q 11 | 22822 bytes | -1580 bytes (-6.47%) |
| Burrows-Wheeler transform (Wikipedia) | bzip2 | bzip2 -9 | 23550 bytes | -852 bytes (-3.49%) |
| LZMA2 (Wikipedia) | xz | xz -9 | 23564 bytes | -838 bytes (-3.43%) |
| Zstandard (Wikipedia) | zstd | zstd -19 | 24113 bytes | -289 bytes (-1.18%) |