| Boot |
29374 bytes (28.7k)
|
CDN |
| cdnjs |
25381 bytes (24.8k)
|
CDN |
| gzip -6 (default) |
25207 bytes (24.6k)
|
local copy |
| jsdelivr |
25135 bytes (24.5k)
|
CDN |
| unpkg |
25135 bytes (24.5k)
|
CDN |
| gzip -9 |
25113 bytes (24.5k)
|
local copy |
| 7zip -mx=9 -tgzip |
24292 bytes (23.7k)
|
local copy |
| libdeflate -12 |
24280 bytes (23.7k)
|
local copy |
| kzip -s0 -rn -b4 |
24233 bytes (23.7k)
|
local copy |
| pigz -11 -n |
24224 bytes (23.7k)
|
local copy |
| zultra |
24212 bytes (23.6k)
|
local copy |
| Zopfli |
24182 bytes (23.6k)
|
local copy |
| Zopfli (defluff) |
24181 bytes (23.6k)
|
local copy |
| Description | Value | Parameter |
|---|---|---|
| iterations | 100000 | --i100000 |
| maximum blocks | 8 | --mb8 |
| maximum length score | 16 | --mls16 |
| block splitting recursion | 9 | --bsr9 |
| 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 | 29374 bytes | 6c464958656a7126c26c8d8e9365bb80 | (invalid) |
| cdnjs | 25381 bytes | 6c464958656a7126c26c8d8e9365bb80 | (invalid) |
| jsdelivr | 25135 bytes | 6c464958656a7126c26c8d8e9365bb80 | (invalid) |
| unpkg | 25135 bytes | 6c464958656a7126c26c8d8e9365bb80 | April 6, 2017 @ 17:25 |
| Size | Improvement | Parameters | Found |
|---|---|---|---|
| 24182 bytes | -1 byte | zopfli --i100000 --mls16 --bsr9 --lazy --ohh | April 10, 2017 @ 14:27 |
| 24183 bytes | -2 bytes | zopfli --i10000 --mls16 --bsr9 --lazy --ohh | April 7, 2017 @ 05:56 |
| 24185 bytes | -3 bytes | zopfli --i10000 --mls2048 --bsr30 --lazy --ohh | April 7, 2017 @ 05:28 |
| 24188 bytes | -7 bytes | zopfli --i1000 --mls8192 --bsr20 --lazy --ohh | April 6, 2017 @ 19:08 |
| 24195 bytes | -3 bytes | zopfli --i1000 --mls8192 --bsr8 --lazy --ohh | April 6, 2017 @ 18:56 |
| 24198 bytes | – | zopfli --i100 --mls2048 --bsr30 --lazy --ohh | April 6, 2017 @ 18:27 |
| 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 | 24207 | 24207 | 24203 | 24189 | 24206 | 24205 | 24206 | 24204 | 24201 | 24200 | 24202 | 24193 | 24191 | 24205 | 24203 |
| 4 | 24201 | 24202 | 24207 | 24202 | 24204 | 24200 | 24202 | 24201 | 24201 | 24202 | 24202 | 24200 | 24203 | 24212 | 24208 |
| 6 | 24206 | 24206 | 24202 | 24201 | 24203 | 24203 | 24203 | 24202 | 24200 | 24203 | 24201 | 24204 | 24200 | 24208 | 24210 |
| 7 | 24209 | 24203 | 24201 | 24203 | 24201 | 24202 | 24201 | 24199 | 24200 | 24199 | 24202 | 24199 | 24210 | 24203 | 24205 |
| 8 | 24203 | 24203 | 24202 | 24201 | 24202 | 24201 | 24202 | 24202 | 24202 | 24199 | 24203 | 24201 | 24193 | 24202 | 24212 |
| 9 | 24206 | 24202 | 24202 | 24182 | 24201 | 24201 | 24200 | 24203 | 24202 | 24203 | 24202 | 24204 | 24202 | 24203 | 24210 |
| 10 | 24202 | 24202 | 24203 | 24203 | 24203 | 24202 | 24202 | 24201 | 24202 | 24203 | 24202 | 24201 | 24200 | 24209 | 24199 |
| 11 | 24208 | 24202 | 24202 | 24201 | 24201 | 24200 | 24184 | 24199 | 24202 | 24203 | 24202 | 24199 | 24199 | 24205 | 24211 |
| 12 | 24202 | 24202 | 24201 | 24201 | 24203 | 24202 | 24203 | 24201 | 24200 | 24199 | 24202 | 24201 | 24201 | 24205 | 24211 |
| 13 | 24207 | 24202 | 24201 | 24200 | 24201 | 24200 | 24202 | 24201 | 24202 | 24203 | 24202 | 24204 | 24202 | 24201 | 24213 |
| 14 | 24207 | 24202 | 24207 | 24201 | 24201 | 24202 | 24202 | 24202 | 24202 | 24203 | 24202 | 24204 | 24200 | 24207 | 24209 |
| 15 | 24206 | 24202 | 24202 | 24200 | 24201 | 24201 | 24202 | 24202 | 24202 | 24203 | 24202 | 24200 | 24199 | 24209 | 24205 |
| 16 | 24206 | 24202 | 24199 | 24201 | 24201 | 24203 | 24202 | 24200 | 24203 | 24203 | 24202 | 24200 | 24204 | 24207 | 24210 |
| 17 | 24201 | 24201 | 24201 | 24201 | 24202 | 24201 | 24201 | 24201 | 24202 | 24203 | 24202 | 24202 | 24190 | 24203 | 24210 |
| 18 | 24208 | 24208 | 24202 | 24201 | 24201 | 24201 | 24202 | 24202 | 24203 | 24203 | 24203 | 24200 | 24199 | 24207 | 24211 |
| 19 | 24202 | 24202 | 24202 | 24201 | 24201 | 24203 | 24201 | 24201 | 24202 | 24203 | 24203 | 24200 | 24200 | 24204 | 24210 |
| 20 | 24206 | 24202 | 24202 | 24201 | 24201 | 24204 | 24202 | 24202 | 24202 | 24197 | 24202 | 24202 | 24184 | 24211 | 24212 |
| 21 | 24206 | 24202 | 24200 | 24202 | 24201 | 24201 | 24202 | 24201 | 24202 | 24203 | 24189 | 24200 | 24199 | 24203 | 24212 |
| 22 | 24208 | 24202 | 24202 | 24201 | 24201 | 24201 | 24201 | 24202 | 24202 | 24203 | 24203 | 24200 | 24199 | 24207 | 24210 |
| 23 | 24207 | 24202 | 24201 | 24201 | 24202 | 24201 | 24201 | 24202 | 24202 | 24203 | 24202 | 24203 | 24196 | 24204 | 24212 |
| 25 | 24206 | 24202 | 24201 | 24201 | 24201 | 24203 | 24201 | 24202 | 24202 | 24199 | 24203 | 24200 | 24198 | 24207 | 24212 |
| 30 | 24200 | 24202 | 24202 | 24201 | 24201 | 24201 | 24202 | 24201 | 24202 | 24203 | 24183 | 24200 | 24200 | 24206 | 24211 |
| 40 | 24202 | 24202 | 24201 | 24199 | 24200 | 24201 | 24202 | 24201 | 24202 | 24202 | 24202 | 24201 | 24198 | 24206 | 24212 |
| Iterations | Min. Bytes | Reduction | Coverage |
|---|---|---|---|
| 100 | 24198 bytes | – | 100% |
| 1,000 | 24188 bytes | -10 bytes | 100% |
| 10,000 | 24183 bytes | -5 bytes | 100% |
| 100,000 | 24182 bytes | -1 byte | 2.61% |
| 1,000,000 | – | – | – |
| 10,000,000 | – | – | – |
| Blocks | Min. Bytes | Compared To Best Zopfli | Compared To Best KZIP |
|---|---|---|---|
| (any) | 24255 bytes | +73 bytes (+0.30%) | +22 bytes |
| 1 | 24257 bytes | +75 bytes (+0.31%) | +24 bytes |
| 2 | 24257 bytes | +75 bytes (+0.31%) | +24 bytes |
| 3 | 24254 bytes | +72 bytes (+0.30%) | +21 bytes |
| 4 | 24233 bytes | +51 bytes (+0.21%) | – |
| 5 | 24267 bytes | +85 bytes (+0.35%) | +34 bytes |
| 6 | 24299 bytes | +117 bytes (+0.48%) | +66 bytes |
| 7 | 24331 bytes | +149 bytes (+0.62%) | +98 bytes |
| 8 | 24364 bytes | +182 bytes (+0.75%) | +131 bytes |
| Algorithm | Program | Parameters | Size | Compared To Best Zopfli |
|---|---|---|---|---|
| ZPAQ (Wikipedia) | zpaq | zpaq -method 69 | 20047 bytes | -4135 bytes (-17.10%) |
| RAR (proprietary) | RAR | rar a -m5 -md64m -mc63:128t -mt1 | 20389 bytes | -3793 bytes (-15.69%) |
| PPMd (Wikipedia) | 7zip | 7za a -mx=9 -m0=ppmd | 21192 bytes | -2990 bytes (-12.36%) |
| Brotli (Wikipedia) | brotli | brotli -q 11 | 22651 bytes | -1531 bytes (-6.33%) |
| Burrows-Wheeler transform (Wikipedia) | bzip2 | bzip2 -9 | 22896 bytes | -1286 bytes (-5.32%) |
| LZMA2 (Wikipedia) | xz | xz -9 | 23412 bytes | -770 bytes (-3.18%) |
| Zstandard (Wikipedia) | zstd | zstd -19 | 23920 bytes | -262 bytes (-1.08%) |