| Boot |
42184 bytes (41.2k)
|
CDN |
| Baidu |
37223 bytes (36.4k)
|
CDN |
| cdnjs |
37113 bytes (36.2k)
|
CDN |
| gzip -6 (default) |
36884 bytes (36.0k)
|
local copy |
|
36835 bytes (36.0k)
|
CDN | |
| Yandex |
36820 bytes (36.0k)
|
CDN |
| gzip -9 |
36820 bytes (36.0k)
|
local copy |
| jsdelivr |
36820 bytes (36.0k)
|
CDN |
| 7zip -mx=9 -tgzip |
35721 bytes (34.9k)
|
local copy |
| zultra |
35716 bytes (34.9k)
|
local copy |
| libdeflate -12 |
35709 bytes (34.9k)
|
local copy |
| kzip -s0 -rn -b0 |
35708 bytes (34.9k)
|
local copy |
| pigz -11 -n |
35667 bytes (34.8k)
|
local copy |
| Zopfli |
35630 bytes (34.8k)
|
local copy |
| Zopfli (defluff) |
35629 bytes (34.8k)
|
local copy |
| Description | Value | Parameter |
|---|---|---|
| iterations | 100000 | --i100000 |
| maximum blocks | 8 | --mb8 |
| maximum length score | 32768 | --mls32768 |
| block splitting recursion | 22 | --bsr22 |
| 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 | 42184 bytes | e23cb8c1bcad0c235a8e8ed68b15a88a | March 18, 2015 @ 10:40 |
| cdnjs | 37113 bytes | e23cb8c1bcad0c235a8e8ed68b15a88a | March 28, 2014 @ 15:15 |
| 36835 bytes | e23cb8c1bcad0c235a8e8ed68b15a88a | (invalid) | |
| Yandex | 36820 bytes | e23cb8c1bcad0c235a8e8ed68b15a88a | June 11, 2015 @ 14:17 |
| jsdelivr | 36820 bytes | e23cb8c1bcad0c235a8e8ed68b15a88a | August 7, 2014 @ 18:33 |
| CDN | Size (compressed) | MD5 (uncompressed) | Comment / Diff | Timestamp |
|---|---|---|---|---|
| Baidu | 37223 bytes | 018a4afb853e77c356b83b25ec4e26a4 | only whitespaces differ | June 5, 2014 @ 10:05 |
| Size | Improvement | Parameters | Found |
|---|---|---|---|
| 35630 bytes | -1 byte | zopfli --i100000 --mls32768 --bsr22 --lazy --ohh | November 26, 2015 @ 19:48 |
| 35631 bytes | -2 bytes | zopfli --i10000 --mls32768 --bsr22 --lazy --ohh | October 21, 2015 @ 16:23 |
| 35633 bytes | -1 byte | zopfli --i10000 --mls8192 --bsr11 --lazy --ohh | September 9, 2015 @ 22:39 |
| 35634 bytes | -1 byte | zopfli --i1000 --mls8192 --bsr12 --lazy --ohh | September 7, 2015 @ 19:06 |
| 35635 bytes | -6 bytes | zopfli --i1000 --mls8192 --bsr11 --lazy --ohh | September 7, 2015 @ 19:04 |
| 35641 bytes | – | zopfli --i100 --mls8192 --bsr11 --lazy --ohh | September 7, 2015 @ 16:33 |
| 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 | 35643 | 35644 | 35643 | 35662 | 35643 | 35648 | 35642 | 35643 | 35659 | 35657 | 35664 | 35641 | 35642 | 35653 | 35641 |
| 4 | 35640 | 35639 | 35658 | 35648 | 35641 | 35638 | 35645 | 35650 | 35660 | 35662 | 35655 | 35657 | 35646 | 35637 | 35634 |
| 6 | 35646 | 35647 | 35647 | 35642 | 35645 | 35645 | 35646 | 35644 | 35660 | 35646 | 35660 | 35643 | 35640 | 35637 | 35639 |
| 7 | 35645 | 35660 | 35661 | 35660 | 35660 | 35661 | 35660 | 35637 | 35661 | 35644 | 35647 | 35644 | 35641 | 35640 | 35643 |
| 8 | 35643 | 35645 | 35643 | 35639 | 35642 | 35639 | 35644 | 35640 | 35659 | 35646 | 35655 | 35643 | 35644 | 35636 | 35638 |
| 9 | 35639 | 35643 | 35643 | 35638 | 35637 | 35644 | 35644 | 35643 | 35659 | 35660 | 35660 | 35643 | 35646 | 35634 | 35639 |
| 10 | 35640 | 35640 | 35644 | 35644 | 35640 | 35645 | 35638 | 35638 | 35659 | 35657 | 35661 | 35642 | 35643 | 35639 | 35637 |
| 11 | 35637 | 35638 | 35660 | 35660 | 35640 | 35642 | 35636 | 35635 | 35654 | 35653 | 35654 | 35643 | 35633 | 35640 | 35636 |
| 12 | 35638 | 35641 | 35644 | 35645 | 35643 | 35642 | 35642 | 35637 | 35657 | 35660 | 35654 | 35644 | 35634 | 35640 | 35637 |
| 13 | 35642 | 35640 | 35648 | 35642 | 35643 | 35642 | 35642 | 35644 | 35659 | 35661 | 35654 | 35643 | 35642 | 35640 | 35639 |
| 14 | 35641 | 35637 | 35642 | 35641 | 35643 | 35644 | 35642 | 35663 | 35655 | 35661 | 35659 | 35644 | 35653 | 35640 | 35636 |
| 15 | 35645 | 35637 | 35649 | 35662 | 35640 | 35644 | 35645 | 35636 | 35660 | 35644 | 35659 | 35661 | 35642 | 35637 | 35644 |
| 16 | 35643 | 35642 | 35644 | 35643 | 35639 | 35639 | 35639 | 35638 | 35660 | 35640 | 35654 | 35643 | 35641 | 35634 | 35640 |
| 17 | 35643 | 35645 | 35642 | 35644 | 35644 | 35639 | 35639 | 35637 | 35660 | 35660 | 35654 | 35645 | 35642 | 35638 | 35636 |
| 18 | 35641 | 35640 | 35641 | 35644 | 35641 | 35639 | 35636 | 35636 | 35660 | 35660 | 35654 | 35656 | 35656 | 35654 | 35633 |
| 19 | 35640 | 35643 | 35642 | 35639 | 35642 | 35637 | 35637 | 35636 | 35660 | 35660 | 35657 | 35656 | 35642 | 35633 | 35636 |
| 20 | 35642 | 35641 | 35642 | 35641 | 35642 | 35644 | 35644 | 35641 | 35660 | 35661 | 35654 | 35645 | 35642 | 35633 | 35639 |
| 21 | 35643 | 35640 | 35644 | 35641 | 35641 | 35643 | 35642 | 35636 | 35660 | 35660 | 35655 | 35643 | 35643 | 35634 | 35640 |
| 22 | 35640 | 35641 | 35642 | 35640 | 35641 | 35644 | 35642 | 35660 | 35657 | 35660 | 35660 | 35642 | 35642 | 35634 | 35630 |
| 23 | 35640 | 35640 | 35660 | 35660 | 35641 | 35644 | 35644 | 35636 | 35635 | 35641 | 35654 | 35661 | 35640 | 35635 | 35638 |
| 25 | 35640 | 35639 | 35643 | 35640 | 35640 | 35644 | 35640 | 35641 | 35660 | 35654 | 35654 | 35643 | 35649 | 35640 | 35640 |
| 30 | 35640 | 35641 | 35644 | 35646 | 35642 | 35642 | 35644 | 35635 | 35655 | 35656 | 35654 | 35643 | 35644 | 35634 | 35640 |
| 40 | 35639 | 35639 | 35650 | 35641 | 35640 | 35644 | 35642 | 35641 | 35660 | 35660 | 35659 | 35645 | 35656 | 35634 | 35636 |
| Iterations | Min. Bytes | Reduction | Coverage |
|---|---|---|---|
| 100 | 35637 bytes | – | 100% |
| 1,000 | 35633 bytes | -4 bytes | 100% |
| 10,000 | 35631 bytes | -2 bytes | 100% |
| 100,000 | 35630 bytes | -1 byte | 0.29% |
| 1,000,000 | – | – | – |
| 10,000,000 | – | – | – |
| Blocks | Min. Bytes | Compared To Best Zopfli | Compared To Best KZIP |
|---|---|---|---|
| (any) | 35708 bytes | +78 bytes (+0.22%) | – |
| 1 | 35709 bytes | +79 bytes (+0.22%) | +1 byte |
| 2 | 35732 bytes | +102 bytes (+0.29%) | +24 bytes |
| 3 | 35754 bytes | +124 bytes (+0.35%) | +46 bytes |
| 4 | 35790 bytes | +160 bytes (+0.45%) | +82 bytes |
| 5 | 35803 bytes | +173 bytes (+0.49%) | +95 bytes |
| 6 | 35771 bytes | +141 bytes (+0.40%) | +63 bytes |
| 7 | 35792 bytes | +162 bytes (+0.45%) | +84 bytes |
| 8 | 35814 bytes | +184 bytes (+0.52%) | +106 bytes |
| Algorithm | Program | Parameters | Size | Compared To Best Zopfli |
|---|---|---|---|---|
| ZPAQ (Wikipedia) | zpaq | zpaq -method 69 | 29121 bytes | -6509 bytes (-18.27%) |
| RAR (proprietary) | RAR | rar a -m5 -md64m -mc63:128t -mt1 | 30092 bytes | -5538 bytes (-15.54%) |
| PPMd (Wikipedia) | 7zip | 7za a -mx=9 -m0=ppmd | 31359 bytes | -4271 bytes (-11.99%) |
| Brotli (Wikipedia) | brotli | brotli -q 11 | 32829 bytes | -2801 bytes (-7.86%) |
| Burrows-Wheeler transform (Wikipedia) | bzip2 | bzip2 -9 | 33767 bytes | -1863 bytes (-5.23%) |
| LZMA2 (Wikipedia) | xz | xz -9 | 34176 bytes | -1454 bytes (-4.08%) |
| Zstandard (Wikipedia) | zstd | zstd -19 | 35012 bytes | -618 bytes (-1.73%) |