Boot |
34984 bytes (34.2k)
|
CDN |
Baidu |
31037 bytes (30.3k)
|
CDN |
cdnjs |
30929 bytes (30.2k)
|
CDN |
gzip -6 (default) |
30775 bytes (30.1k)
|
local copy |
30754 bytes (30.0k)
|
CDN | |
gzip -9 |
30730 bytes (30.0k)
|
local copy |
Sina |
30721 bytes (30.0k)
|
CDN |
7zip -mx=9 -tgzip |
29836 bytes (29.1k)
|
local copy |
libdeflate -12 |
29833 bytes (29.1k)
|
local copy |
kzip -s0 -rn -b1 |
29805 bytes (29.1k)
|
local copy |
zultra |
29800 bytes (29.1k)
|
local copy |
pigz -11 -n |
29773 bytes (29.1k)
|
local copy |
Zopfli |
29752 bytes (29.1k)
|
local copy |
Zopfli (defluff) |
29750 bytes (29.1k)
|
local copy |
Description | Value | Parameter |
---|---|---|
iterations | 100000 | --i100000 |
maximum blocks | 8 | --mb8 |
maximum length score | 64 | --mls64 |
block splitting recursion | 25 | --bsr25 |
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 | 34984 bytes | d878171e07cf77aaa692b207bd5ab280 | March 18, 2015 @ 10:17 |
cdnjs | 30929 bytes | d878171e07cf77aaa692b207bd5ab280 | (invalid) |
30754 bytes | d878171e07cf77aaa692b207bd5ab280 | (invalid) | |
Sina | 30721 bytes | d878171e07cf77aaa692b207bd5ab280 | (invalid) |
CDN | Size (compressed) | MD5 (uncompressed) | Comment / Diff | Timestamp |
---|---|---|---|---|
Baidu | 31037 bytes | af9268d2d25d01a1fbd16b7ecc52da61 | only whitespaces differ | June 5, 2014 @ 10:05 |
Size | Improvement | Parameters | Found |
---|---|---|---|
29752 bytes | -1 byte | zopfli --i100000 --mls64 --bsr25 --lazy --ohh | November 26, 2015 @ 18:07 |
29753 bytes | -1 byte | zopfli --i10000 --mls512 --bsr11 --lazy --ohh | September 10, 2015 @ 04:14 |
29754 bytes | -3 bytes | zopfli --i10000 --mls512 --bsr8 --lazy --ohh | September 10, 2015 @ 04:05 |
29757 bytes | -1 byte | zopfli --i1000 --mls512 --bsr11 --lazy --ohh | September 7, 2015 @ 20:49 |
29758 bytes | -7 bytes | zopfli --i1000 --mls512 --bsr2 --lazy --ohh | September 7, 2015 @ 20:48 |
29765 bytes | – | zopfli --i100 --mls1024 --bsr13 --lazy --ohh | September 7, 2015 @ 16:28 |
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 | 29770 | 29770 | 29770 | 29770 | 29770 | 29758 | 29770 | 29758 | 29757 | 29755 | 29755 | 29772 | 29775 | 29770 | 29786 |
4 | 29771 | 29771 | 29781 | 29770 | 29769 | 29769 | 29762 | 29758 | 29762 | 29757 | 29759 | 29769 | 29771 | 29767 | 29776 |
6 | 29775 | 29776 | 29767 | 29765 | 29764 | 29760 | 29766 | 29766 | 29764 | 29761 | 29766 | 29768 | 29765 | 29766 | 29778 |
7 | 29775 | 29776 | 29779 | 29767 | 29766 | 29770 | 29766 | 29767 | 29767 | 29755 | 29766 | 29766 | 29766 | 29757 | 29763 |
8 | 29772 | 29773 | 29764 | 29766 | 29767 | 29773 | 29763 | 29757 | 29754 | 29756 | 29758 | 29770 | 29758 | 29758 | 29772 |
9 | 29775 | 29775 | 29774 | 29770 | 29770 | 29779 | 29763 | 29758 | 29760 | 29755 | 29767 | 29759 | 29765 | 29766 | 29775 |
10 | 29777 | 29771 | 29769 | 29766 | 29766 | 29765 | 29763 | 29759 | 29763 | 29755 | 29765 | 29766 | 29773 | 29757 | 29775 |
11 | 29776 | 29774 | 29770 | 29770 | 29770 | 29762 | 29763 | 29757 | 29752 | 29756 | 29756 | 29766 | 29770 | 29765 | 29765 |
12 | 29765 | 29777 | 29767 | 29770 | 29769 | 29763 | 29757 | 29758 | 29765 | 29755 | 29765 | 29770 | 29756 | 29756 | 29763 |
13 | 29776 | 29776 | 29766 | 29765 | 29764 | 29759 | 29766 | 29767 | 29754 | 29755 | 29758 | 29770 | 29767 | 29765 | 29765 |
14 | 29776 | 29776 | 29769 | 29769 | 29765 | 29754 | 29770 | 29757 | 29754 | 29757 | 29765 | 29768 | 29768 | 29766 | 29764 |
15 | 29777 | 29776 | 29766 | 29764 | 29766 | 29779 | 29764 | 29765 | 29766 | 29755 | 29766 | 29767 | 29758 | 29766 | 29763 |
16 | 29776 | 29777 | 29765 | 29762 | 29765 | 29758 | 29764 | 29757 | 29766 | 29770 | 29765 | 29767 | 29774 | 29765 | 29776 |
17 | 29776 | 29776 | 29770 | 29769 | 29770 | 29763 | 29769 | 29756 | 29754 | 29757 | 29758 | 29766 | 29767 | 29765 | 29767 |
18 | 29776 | 29776 | 29766 | 29767 | 29766 | 29763 | 29762 | 29763 | 29754 | 29755 | 29765 | 29770 | 29773 | 29772 | 29762 |
19 | 29775 | 29781 | 29766 | 29770 | 29770 | 29763 | 29766 | 29767 | 29766 | 29763 | 29766 | 29770 | 29775 | 29766 | 29764 |
20 | 29776 | 29774 | 29767 | 29764 | 29768 | 29756 | 29772 | 29758 | 29766 | 29771 | 29765 | 29770 | 29766 | 29758 | 29782 |
21 | 29775 | 29777 | 29771 | 29768 | 29771 | 29761 | 29757 | 29767 | 29754 | 29755 | 29765 | 29760 | 29757 | 29759 | 29763 |
22 | 29776 | 29777 | 29770 | 29770 | 29771 | 29778 | 29769 | 29766 | 29757 | 29761 | 29765 | 29759 | 29759 | 29759 | 29775 |
23 | 29773 | 29774 | 29777 | 29763 | 29770 | 29764 | 29761 | 29767 | 29754 | 29756 | 29765 | 29766 | 29757 | 29757 | 29763 |
25 | 29774 | 29775 | 29765 | 29763 | 29767 | 29752 | 29762 | 29767 | 29768 | 29770 | 29765 | 29767 | 29767 | 29759 | 29763 |
30 | 29775 | 29775 | 29779 | 29768 | 29770 | 29756 | 29759 | 29758 | 29754 | 29756 | 29766 | 29760 | 29758 | 29757 | 29763 |
40 | 29776 | 29777 | 29770 | 29770 | 29765 | 29762 | 29762 | 29758 | 29764 | 29756 | 29758 | 29766 | 29767 | 29765 | 29777 |
Iterations | Min. Bytes | Reduction | Coverage |
---|---|---|---|
100 | 29763 bytes | – | 100% |
1,000 | 29756 bytes | -7 bytes | 100% |
10,000 | 29753 bytes | -3 bytes | 100% |
100,000 | 29752 bytes | -1 byte | 0.58% |
1,000,000 | – | – | – |
10,000,000 | – | – | – |
Blocks | Min. Bytes | Compared To Best Zopfli | Compared To Best KZIP |
---|---|---|---|
(any) | 29806 bytes | +54 bytes (+0.18%) | +1 byte |
1 | 29805 bytes | +53 bytes (+0.18%) | – |
2 | 29830 bytes | +78 bytes (+0.26%) | +25 bytes |
3 | 29841 bytes | +89 bytes (+0.30%) | +36 bytes |
4 | 29850 bytes | +98 bytes (+0.33%) | +45 bytes |
5 | 29860 bytes | +108 bytes (+0.36%) | +55 bytes |
6 | 29897 bytes | +145 bytes (+0.49%) | +92 bytes |
7 | 29888 bytes | +136 bytes (+0.46%) | +83 bytes |
8 | 29920 bytes | +168 bytes (+0.56%) | +115 bytes |
Algorithm | Program | Parameters | Size | Compared To Best Zopfli |
---|---|---|---|---|
ZPAQ (Wikipedia) | zpaq | zpaq -method 69 | 24730 bytes | -5022 bytes (-16.88%) |
RAR (proprietary) | RAR | rar a -m5 -md64m -mc63:128t -mt1 | 25377 bytes | -4375 bytes (-14.70%) |
PPMd (Wikipedia) | 7zip | 7za a -mx=9 -m0=ppmd | 26332 bytes | -3420 bytes (-11.50%) |
Brotli (Wikipedia) | brotli | brotli -q 11 | 27352 bytes | -2400 bytes (-8.07%) |
Burrows-Wheeler transform (Wikipedia) | bzip2 | bzip2 -9 | 28342 bytes | -1410 bytes (-4.74%) |
LZMA2 (Wikipedia) | xz | xz -9 | 28624 bytes | -1128 bytes (-3.79%) |
Zstandard (Wikipedia) | zstd | zstd -19 | 29294 bytes | -458 bytes (-1.54%) |