Boot |
24959 bytes (24.4k)
|
CDN |
cdnjs |
21323 bytes (20.8k)
|
CDN |
gzip -6 (default) |
21155 bytes (20.7k)
|
local copy |
gzip -9 |
21062 bytes (20.6k)
|
local copy |
7zip -mx=9 -tgzip |
20353 bytes (19.9k)
|
local copy |
libdeflate -12 |
20325 bytes (19.8k)
|
local copy |
zultra |
20272 bytes (19.8k)
|
local copy |
kzip -s0 -rn -b2 |
20271 bytes (19.8k)
|
local copy |
pigz -11 -n |
20266 bytes (19.8k)
|
local copy |
Zopfli |
20240 bytes (19.8k)
|
local copy |
Description | Value | Parameter |
---|---|---|
iterations | 1000000 | --i1000000 |
maximum blocks | 8 | --mb8 |
maximum length score | 512 | --mls512 |
block splitting recursion | 7 | --bsr7 |
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 | 24959 bytes | 1c26483e45e4d6f35d836bb86751dddd | (invalid) |
cdnjs | 21323 bytes | 1c26483e45e4d6f35d836bb86751dddd | (invalid) |
Size | Improvement | Parameters | Found |
---|---|---|---|
20240 bytes | -1 byte | zopfli --i1000000 --mls512 --bsr7 --lazy --ohh | October 12, 2016 @ 17:16 |
20241 bytes | -1 byte | zopfli --i100000 --mls512 --bsr7 --lazy --ohh | October 11, 2016 @ 06:42 |
20242 bytes | -2 bytes | zopfli --i10000 --mls512 --bsr7 --lazy --ohh | October 11, 2016 @ 06:23 |
20244 bytes | -1 byte | zopfli --i1000 --mls512 --bsr7 --lazy --ohh | October 11, 2016 @ 06:19 |
20245 bytes | -3 bytes | zopfli --i1000 --mls8192 --bsr8 --lazy --ohh | October 11, 2016 @ 06:18 |
20248 bytes | -1 byte | zopfli --i1000 --mls2048 --bsr16 --lazy --ohh | October 11, 2016 @ 06:18 |
20249 bytes | – | zopfli --i100 --mls2048 --bsr16 --lazy --ohh | October 11, 2016 @ 06:03 |
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 | 20269 | 20270 | 20269 | 20270 | 20274 | 20277 | 20278 | 20273 | 20269 | 20273 | 20261 | 20277 | 20274 | 20277 | 20279 |
4 | 20249 | 20249 | 20250 | 20246 | 20253 | 20252 | 20252 | 20244 | 20244 | 20248 | 20251 | 20241 | 20260 | 20253 | 20245 |
6 | 20249 | 20251 | 20254 | 20255 | 20244 | 20249 | 20246 | 20252 | 20242 | 20247 | 20245 | 20242 | 20265 | 20246 | 20246 |
7 | 20259 | 20252 | 20253 | 20253 | 20255 | 20251 | 20252 | 20248 | 20240 | 20247 | 20244 | 20262 | 20260 | 20251 | 20252 |
8 | 20249 | 20251 | 20250 | 20246 | 20249 | 20251 | 20253 | 20247 | 20245 | 20249 | 20244 | 20244 | 20242 | 20252 | 20251 |
9 | 20249 | 20251 | 20249 | 20251 | 20258 | 20251 | 20255 | 20252 | 20241 | 20246 | 20244 | 20253 | 20260 | 20253 | 20260 |
10 | 20250 | 20252 | 20250 | 20254 | 20250 | 20252 | 20240 | 20241 | 20242 | 20247 | 20244 | 20260 | 20260 | 20246 | 20252 |
11 | 20250 | 20252 | 20248 | 20254 | 20249 | 20251 | 20252 | 20244 | 20246 | 20248 | 20252 | 20245 | 20261 | 20253 | 20254 |
12 | 20249 | 20252 | 20250 | 20255 | 20250 | 20251 | 20251 | 20250 | 20242 | 20246 | 20254 | 20253 | 20253 | 20248 | 20261 |
13 | 20250 | 20245 | 20254 | 20251 | 20248 | 20244 | 20252 | 20246 | 20242 | 20246 | 20244 | 20244 | 20261 | 20251 | 20251 |
14 | 20251 | 20251 | 20253 | 20247 | 20245 | 20251 | 20252 | 20245 | 20244 | 20248 | 20244 | 20241 | 20253 | 20246 | 20252 |
15 | 20249 | 20251 | 20253 | 20247 | 20249 | 20251 | 20252 | 20247 | 20244 | 20247 | 20245 | 20241 | 20247 | 20254 | 20255 |
16 | 20250 | 20251 | 20249 | 20246 | 20245 | 20250 | 20246 | 20246 | 20244 | 20246 | 20242 | 20244 | 20260 | 20246 | 20253 |
17 | 20249 | 20251 | 20244 | 20252 | 20249 | 20250 | 20250 | 20246 | 20244 | 20247 | 20253 | 20251 | 20260 | 20247 | 20248 |
18 | 20250 | 20252 | 20249 | 20251 | 20244 | 20253 | 20251 | 20246 | 20242 | 20246 | 20244 | 20260 | 20260 | 20247 | 20246 |
19 | 20250 | 20249 | 20248 | 20255 | 20253 | 20251 | 20251 | 20246 | 20249 | 20247 | 20244 | 20245 | 20240 | 20247 | 20250 |
20 | 20251 | 20251 | 20249 | 20250 | 20244 | 20249 | 20242 | 20251 | 20242 | 20246 | 20244 | 20250 | 20256 | 20247 | 20246 |
21 | 20250 | 20251 | 20250 | 20247 | 20260 | 20251 | 20246 | 20246 | 20248 | 20247 | 20247 | 20255 | 20247 | 20253 | 20253 |
22 | 20250 | 20253 | 20247 | 20253 | 20256 | 20252 | 20252 | 20250 | 20244 | 20247 | 20244 | 20244 | 20240 | 20246 | 20246 |
23 | 20250 | 20251 | 20248 | 20251 | 20249 | 20253 | 20246 | 20246 | 20248 | 20246 | 20253 | 20242 | 20260 | 20253 | 20251 |
25 | 20250 | 20251 | 20247 | 20251 | 20249 | 20251 | 20251 | 20246 | 20248 | 20246 | 20244 | 20260 | 20260 | 20250 | 20245 |
30 | 20249 | 20258 | 20247 | 20254 | 20250 | 20250 | 20252 | 20248 | 20244 | 20248 | 20244 | 20253 | 20257 | 20246 | 20246 |
40 | 20251 | 20252 | 20248 | 20252 | 20250 | 20253 | 20253 | 20253 | 20242 | 20248 | 20245 | 20245 | 20263 | 20248 | 20245 |
Iterations | Min. Bytes | Reduction | Coverage |
---|---|---|---|
100 | 20249 bytes | – | 100% |
1,000 | 20244 bytes | -5 bytes | 100% |
10,000 | 20242 bytes | -2 bytes | 100% |
100,000 | 20241 bytes | -1 byte | 6.09% |
1,000,000 | 20240 bytes | -1 byte | 2.61% |
10,000,000 | – | – | – |
Blocks | Min. Bytes | Compared To Best Zopfli | Compared To Best KZIP |
---|---|---|---|
(any) | 20342 bytes | +102 bytes (+0.50%) | +71 bytes |
1 | 20344 bytes | +104 bytes (+0.51%) | +73 bytes |
2 | 20271 bytes | +31 bytes (+0.15%) | – |
3 | 20274 bytes | +34 bytes (+0.17%) | +3 bytes |
4 | 20297 bytes | +57 bytes (+0.28%) | +26 bytes |
5 | 20291 bytes | +51 bytes (+0.25%) | +20 bytes |
6 | 20313 bytes | +73 bytes (+0.36%) | +42 bytes |
7 | 20358 bytes | +118 bytes (+0.58%) | +87 bytes |
8 | 20377 bytes | +137 bytes (+0.68%) | +106 bytes |
Algorithm | Program | Parameters | Size | Compared To Best Zopfli |
---|---|---|---|---|
ZPAQ (Wikipedia) | zpaq | zpaq -method 69 | 16828 bytes | -3412 bytes (-16.86%) |
RAR (proprietary) | RAR | rar a -m5 -md64m -mc63:128t -mt1 | 17173 bytes | -3067 bytes (-15.15%) |
Brotli (Wikipedia) | brotli | brotli -q 11 | 18544 bytes | -1696 bytes (-8.38%) |
PPMd (Wikipedia) | 7zip | 7za a -mx=9 -m0=ppmd | 18593 bytes | -1647 bytes (-8.14%) |
LZMA2 (Wikipedia) | xz | xz -9 | 19328 bytes | -912 bytes (-4.51%) |
Burrows-Wheeler transform (Wikipedia) | bzip2 | bzip2 -9 | 19418 bytes | -822 bytes (-4.06%) |
Zstandard (Wikipedia) | zstd | zstd -19 | 19746 bytes | -494 bytes (-2.44%) |