AngularJS 0.10.0 - as small as it gets (near-perfect GZIP compression)

Choose a version:

The original file has 389419 bytes (380.3k) and is available from the project website.
There you can find the official minified version, too, which brings down the size to 67436 bytes (65.9k, 17%).

After GZIP compression these minified files vary in size:

Boot	30585 bytes (29.9k)	CDN
Baidu	27421 bytes (26.8k)	CDN
cdnjs	27358 bytes (26.7k)	CDN
gzip -6 (default)	27176 bytes (26.5k)	local copy
gzip -9	27132 bytes (26.5k)	local copy
libdeflate -12	26687 bytes (26.1k)	local copy
7zip -mx=9 -tgzip	26356 bytes (25.7k)	local copy
zultra	26314 bytes (25.7k)	local copy
kzip -s0 -rn -b3	26269 bytes (25.7k)	local copy
pigz -11 -n	26269 bytes (25.7k)	local copy
Zopfli	26241 bytes (25.6k)	local copy
Zopfli (defluff)	26240 bytes (25.6k)	local copy

perma-link to the smallest file on my server:
http://minime.stephan-brumme.com/files/angularjs/angular-0.10.0.min.js (or via HTTPS)

You will automatically get the smallest AngularJS 0.10.0 file, ETag caching is available and
if your browser doesn't support GZIP decompression then the uncompressed version will be sent.

Currently best Zopfli settings

Save 1117 bytes by using my AngularJS 0.10.0 Zopfli version instead of the best available CDN (4.26% smaller than cdnjs, 26241 vs. 27358 bytes):

Download

You can use my super-compressed files for whatever purpose you like as long as you respect the library's original license agreement.
There are no restrictions from my side - but please avoid hot-linking if you run a high-traffic website.

These command-line settings yielded the best compression ratio so far (Linux version of zopfli-krzymod):
zopfli --i100000 --mb8 --mls256 --bsr11 --lazy --ohh

(found November 26, 2015)

Description	Value	Parameter
iterations	100000	--i100000
maximum blocks	8	--mb8
maximum length score	256	--mls256
block splitting recursion	11	--bsr11
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

Even Smaller Files Thanks To Defluff

Zopfli's output can be further optimized by the defluff tool.
In this particular case, defluff saves 1 more byte (26240 bytes).

Download

Verify file integrity

After decompression, my uncompressed files are identical to the original ones:

MD5:
curl --silent --compressed https://code.angularjs.org/0.10.0/angular-0.10.0.min.js --location | md5sum
3d53f240ee3284c25b118487c0df60c8 -
curl --silent --compressed https://minime.stephan-brumme.com/files/angularjs/angular-0.10.0.min.zopfli.js.gz | md5sum
3d53f240ee3284c25b118487c0df60c8 -

SHA1:
curl --silent --compressed https://code.angularjs.org/0.10.0/angular-0.10.0.min.js --location | sha1sum
01dcf3068a657b6e2170a757195aee7e53993938 -
curl --silent --compressed https://minime.stephan-brumme.com/files/angularjs/angular-0.10.0.min.zopfli.js.gz | sha1sum
01dcf3068a657b6e2170a757195aee7e53993938 -

These CDNs send you the original file:

CDN	Size (compressed)	MD5 (uncompressed)	Timestamp
Boot	30585 bytes	3d53f240ee3284c25b118487c0df60c8	March 18, 2015 @ 09:59
cdnjs	27358 bytes	3d53f240ee3284c25b118487c0df60c8	January 24, 2014 @ 03:45

And some CDNs send you a different file:

CDN	Size (compressed)	MD5 (uncompressed)	Comment / Diff	Timestamp
Baidu	27421 bytes	00966e5cb037857f1fc8b4d8f0f84ff4	only whitespaces differ	June 5, 2014 @ 10:05

Note: only the MD5 hashes are shown to keep things simple.

Other Versions

Available AngularJS versions at minime.stephan-brumme.com:

1.8.2, 1.8.1, 1.8.0,
1.7.9, 1.7.8, 1.7.7, 1.7.6, 1.7.5, 1.7.4, 1.7.3, 1.7.2, 1.7.1, 1.7.0,
1.6.10, 1.6.9, 1.6.8, 1.6.7, 1.6.6, 1.6.5, 1.6.4, 1.6.3, 1.6.2, 1.6.1, 1.6.0,
1.5.11, 1.5.10, 1.5.9, 1.5.8, 1.5.7, 1.5.6, 1.5.5, 1.5.4, 1.5.3, 1.5.2, 1.5.1, 1.5.0,
1.4.14, 1.4.13, 1.4.12, 1.4.11, 1.4.10, 1.4.9, 1.4.8, 1.4.7, 1.4.6, 1.4.5, 1.4.4, 1.4.3, 1.4.2, 1.4.1, 1.4.0,
1.3.20, 1.3.19, 1.3.18, 1.3.17, 1.3.16, 1.3.15, 1.3.14, 1.3.13, 1.3.12, 1.3.11, 1.3.10, 1.3.9, 1.3.8, 1.3.7, 1.3.6, 1.3.5, 1.3.4, 1.3.3, 1.3.2, 1.3.1, 1.3.0,
1.2.32, 1.2.31, 1.2.30, 1.2.29, 1.2.28, 1.2.27, 1.2.26, 1.2.25, 1.2.24, 1.2.23, 1.2.22, 1.2.21, 1.2.20, 1.2.19, 1.2.18, 1.2.17, 1.2.16, 1.2.15, 1.2.14, 1.2.13, 1.2.12, 1.2.11, 1.2.10, 1.2.9, 1.2.8, 1.2.7, 1.2.6, 1.2.5, 1.2.4, 1.2.3, 1.2.2, 1.2.1, 1.2.0,
1.1.5, 1.1.4, 1.1.3, 1.1.2, 1.1.1, 1.1.0,
1.0.8, 1.0.7, 1.0.6, 1.0.5, 1.0.4, 1.0.3, 1.0.2, 1.0.1, 1.0.0,
0.10.6, 0.10.5, 0.10.4, 0.10.3, 0.10.2, 0.10.1, 0.10.0,
0.9.19, 0.9.18, 0.9.17, 0.9.16, 0.9.15, 0.9.14, 0.9.13, 0.9.12, 0.9.11, 0.9.10, 0.9.9, 0.9.8, 0.9.7, 0.9.6, 0.9.5, 0.9.4, 0.9.3, 0.9.2, 0.9.1, 0.9.0

The project site contains an overview how well these versions were compressed.
Other interesting projects are BackboneJS, Bootstrap, D3, Dojo, Ember, jQuery, Knockout, lodash, React, Socket.IO, ThreeJS, UnderscoreJS and Vue.

Changelog

Best Zopfli parameters so far:

Size	Improvement	Parameters	Found
26241 bytes	-1 byte	zopfli --i100000 --mls256 --bsr11 --lazy --ohh	November 26, 2015 @ 13:23
26242 bytes	-2 bytes	zopfli --i10000 --mls256 --bsr7 --lazy --ohh	October 21, 2015 @ 12:57
26244 bytes	-4 bytes	zopfli --i1000 --mls256 --bsr11 --lazy --ohh	September 17, 2015 @ 01:28
26248 bytes	–	zopfli --i100 --mls256 --bsr16 --lazy --ohh	September 11, 2015 @ 11:05

If there are multiple parameter sets yielding the same compressed size, only the first one found is shown.

Most recent activity on July 20, 2020 @ 12:47.

Heatmaps

This Zopfli heatmap visualizes how compression changes when modifying the --bsr and --mls parameter.
Cell's contents is the best filesize achieved (in bytes, hover with mouse over cells to see number of iterations).

Good parameters are green, bad are red. The best and worst are bold as well.
The brightness of the blue background color indicates how many iterations were processed:
10,000 or 100,000.

bsr \ mls	2	4	8	16	32	64	128	256	512	1024	2048	4096	8192	16384	32768
bsr \ mls	2	4	8	16	32	64	128	256	512	1024	2048	4096	8192	16384	32768
2	26284	26294	26293	26290	26277	26274	26278	26276	26267	26273	26287	26295	26267	26265	26268
4	26255	26262	26262	26262	26250	26252	26252	26250	26253	26252	26253	26256	26259	26271	26281
6	26260	26258	26258	26252	26250	26252	26252	26262	26251	26254	26251	26253	26254	26274	26263
7	26251	26250	26249	26254	26250	26254	26251	26241	26253	26259	26263	26252	26259	26269	26265
8	26273	26256	26259	26253	26252	26254	26253	26253	26255	26251	26263	26263	26255	26265	26279
9	26253	26267	26270	26254	26277	26252	26252	26268	26251	26261	26251	26252	26253	26265	26265
10	26252	26251	26253	26254	26250	26254	26255	26241	26252	26263	26251	26254	26265	26265	26266
11	26253	26253	26250	26252	26256	26252	26252	26241	26251	26251	26253	26253	26255	26265	26266
12	26262	26262	26260	26252	26251	26253	26253	26253	26253	26251	26262	26254	26253	26261	26264
13	26264	26252	26265	26260	26251	26266	26265	26265	26260	26252	26255	26262	26254	26268	26259
14	26253	26250	26265	26256	26252	26254	26251	26254	26252	26252	26252	26252	26262	26268	26265
15	26251	26252	26253	26255	26250	26251	26251	26253	26252	26250	26254	26252	26255	26268	26270
16	26262	26262	26264	26261	26264	26261	26251	26241	26252	26253	26251	26258	26253	26251	26266
17	26267	26252	26257	26255	26253	26252	26252	26254	26268	26251	26252	26254	26268	26268	26268
18	26255	26251	26264	26252	26254	26255	26254	26253	26251	26250	26252	26254	26258	26265	26264
19	26261	26260	26265	26255	26252	26259	26266	26252	26255	26254	26256	26254	26255	26268	26257
20	26262	26251	26251	26252	26252	26251	26252	26252	26260	26252	26252	26249	26253	26262	26259
21	26253	26253	26254	26253	26250	26251	26253	26254	26263	26255	26250	26252	26252	26264	26264
22	26262	26252	26266	26251	26250	26254	26253	26253	26254	26253	26252	26251	26255	26268	26267
23	26261	26251	26259	26252	26251	26267	26254	26253	26253	26252	26251	26254	26255	26268	26257
25	26261	26249	26264	26251	26252	26250	26253	26254	26251	26252	26251	26252	26255	26267	26264
30	26251	26251	26253	26253	26250	26252	26252	26241	26253	26252	26250	26254	26255	26268	26265
40	26254	26251	26263	26252	26250	26252	26252	26253	26251	26250	26253	26254	26255	26265	26265

Due to the Monte Carlo design of my search algorithm, not all parameters have reached the same number of iterations yet:

Iterations	Min. Bytes	Reduction	Coverage
100	26248 bytes	–	100%
1,000	26244 bytes	-4 bytes	100%
10,000	26242 bytes	-2 bytes	100%
100,000	26241 bytes	-1 byte	1.45%
1,000,000	–	–	–
10,000,000	–	–	–

KZIP has far less options available for tuning/optimization. I only played around with the number of blocks (parameter -n):

Blocks	Min. Bytes	Compared To Best Zopfli	Compared To Best KZIP
(any)	26323 bytes	+82 bytes (+0.31%)	+54 bytes
1	26752 bytes	+511 bytes (+1.95%)	+483 bytes
2	26322 bytes	+81 bytes (+0.31%)	+53 bytes
3	26269 bytes	+28 bytes (+0.11%)	–
4	26288 bytes	+47 bytes (+0.18%)	+19 bytes
5	26322 bytes	+81 bytes (+0.31%)	+53 bytes
6	26342 bytes	+101 bytes (+0.38%)	+73 bytes
7	26373 bytes	+132 bytes (+0.50%)	+104 bytes
8	26386 bytes	+145 bytes (+0.55%)	+117 bytes

Non-DEFLATE Algorithms

Archivers based on completely different compression algorithms often produce superior results.
Unfortunately, browsers only support gzip compression at the moment.
However, support for Brotli is constantly growing - for example, your browser actually supports it !

Algorithm	Program	Parameters	Size	Compared To Best Zopfli
ZPAQ (Wikipedia)	zpaq	zpaq -method 69	22813 bytes	-3428 bytes (-13.06%)
RAR (proprietary)	RAR	rar a -m5 -md64m -mc63:128t -mt1	23294 bytes	-2947 bytes (-11.23%)
PPMd (Wikipedia)	7zip	7za a -mx=9 -m0=ppmd	23501 bytes	-2740 bytes (-10.44%)
Brotli (Wikipedia)	brotli	brotli -q 11	24294 bytes	-1947 bytes (-7.42%)
LZMA2 (Wikipedia)	xz	xz -9	25656 bytes	-585 bytes (-2.23%)
Burrows-Wheeler transform (Wikipedia)	bzip2	bzip2 -9	26233 bytes	-8 bytes (-0.03%)
Zstandard (Wikipedia)	zstd	zstd -19	26426 bytes	+185 bytes (+0.71%)

Detailled Analysis

I wrote a DEFLATE decoder in Javascript. Click the button below to start a client-side analysis of the smallest gzipped files (may take a second):

Load and Parse Data

Notes: pigz is a fast open source multi-threaded implementation of gzip written by one of the original authors of gzip.
However, when using compression level 11, pigz actually switches to the slower Zopfli algorithm and isn't multi-threaded anymore.
KrzyMOD's extensions to Zopfli offer the highest level of configuration and is therefore used for my brute-force search.
Ken Silverman wrote the closed-source KZIP compression program and Jonathon Fowler ported it to Linux.
Defluff was created by Joachim Henke; DeflOpt is a tool by Ben Jos Walbeehm.

website made by Stephan Brumme in 2015 and still improving in 2026.
all timestamps are displayed in central european time. see my changelog.
no flash, not even images or external css files - and everything squeezed into a single html file.
which was handsomely compressed before releasing it into the wild internet - obviously.

please visit my homepage and my blog, too.
email: minime (at) stephan-brumme.com

All trademarks are property of their respective owners. You know, the boring legal stuff.