Choose a version:
13% The original file has 944140 bytes (922.0k) and is available from the project website.
There you can find the official minified version, too, which brings down the size to 124670 bytes (121.7k, 13%).

After GZIP compression these minified files vary in size:
Boot
  52512 bytes (51.3k)
CDN, direct link
unpkg
  50964 bytes (49.8k)
CDN, direct link
Baidu
  46228 bytes (45.1k)
CDN, direct link
cdnjs
  46104 bytes (45.0k)
CDN, direct link
gzip -6 (default)
  45794 bytes (44.7k)
local copy
cdnhttps
  45773 bytes (44.7k)
CDN, direct link
Google
  45737 bytes (44.7k)
CDN, direct link
Yandex
  45709 bytes (44.6k)
CDN, direct link
gzip -9
  45709 bytes (44.6k)
local copy
jsdelivr
  45709 bytes (44.6k)
CDN, direct link
7zip -mx=9 -tgzip
  44353 bytes (43.3k)
local copy
libdeflate -12
  44331 bytes (43.3k)
local copy
kzip -s0 -rn -b1
  44315 bytes (43.3k)
local copy
pigz -11 -n
  44263 bytes (43.2k)
local copy
Zopfli
  44225 bytes (43.2k)
local copy
Zopfli (defluff)
  44223 bytes (43.2k)
local copy

perma-link to the smallest file on my server:
http://minime.stephan-brumme.com/files/angularjs/angular-1.3.4.min.js

You will automatically get the smallest AngularJS 1.3.4 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 1484 bytes by using my AngularJS 1.3.4 Zopfli version instead of the best available CDN (3.36% smaller than jsdelivr, 44225 vs. 45709 bytes):
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 --bsr21 --lazy --ohh

(found November 30, 2015)
Description Value Parameter
iterations 100000  --i100000
maximum blocks 8  --mb8
maximum length score 256  --mls256
block splitting recursion 21  --bsr21
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 2 more bytes (44223 bytes).

Verify file integrity

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

MD5:
curl --silent --compressed https://code.angularjs.org/1.3.4/angular.min.js --location | md5sum
2a7c8cc034412334c3859b19c37f75d7  -
curl --silent --compressed http://minime.stephan-brumme.com/files/angularjs/angular-1.3.4.min.zopfli.js.gz | md5sum
2a7c8cc034412334c3859b19c37f75d7  -

SHA1:
curl --silent --compressed https://code.angularjs.org/1.3.4/angular.min.js --location | sha1sum
2c20a940b226a189857b018ed520c6d38b7539dc  -
curl --silent --compressed http://minime.stephan-brumme.com/files/angularjs/angular-1.3.4.min.zopfli.js.gz | sha1sum
2c20a940b226a189857b018ed520c6d38b7539dc  -

These CDNs send you the original file:
CDN Size (compressed) MD5 (uncompressed) Timestamp
Boot 52512 bytes 2a7c8cc034412334c3859b19c37f75d7 March 18, 2015 @ 11:03
unpkg 50964 bytes 2a7c8cc034412334c3859b19c37f75d7 July 11, 2016 @ 15:54
cdnjs 46104 bytes 2a7c8cc034412334c3859b19c37f75d7 December 18, 2014 @ 18:00
cdnhttps 45773 bytes 2a7c8cc034412334c3859b19c37f75d7 December 24, 2015 @ 07:32
Google 45737 bytes 2a7c8cc034412334c3859b19c37f75d7 November 25, 2014 @ 01:00
Yandex 45709 bytes 2a7c8cc034412334c3859b19c37f75d7 June 11, 2015 @ 14:17
jsdelivr 45709 bytes 2a7c8cc034412334c3859b19c37f75d7 November 25, 2014 @ 21:01

And some CDNs send you a different file:
CDN Size (compressed) MD5 (uncompressed) Comment / Diff Timestamp
Baidu 46228 bytes 6cac4aa39be702ec4e6b13569325173a only whitespaces differ April 3, 2015 @ 04:57

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

Other Versions

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

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
44225 bytes -1 byte zopfli --i100000 --mls256 --bsr21 --lazy --ohh November 30, 2015 @ 11:02
44226 bytes -1 byte zopfli --i100000 --mls128 --bsr22 --lazy --ohh November 30, 2015 @ 10:15
44227 bytes -2 bytes zopfli --i10000 --mls256 --bsr21 --lazy --ohh October 13, 2015 @ 21:32
44229 bytes -1 byte zopfli --i10000 --mls1024 --bsr8 --lazy --ohh September 8, 2015 @ 09:11
44230 bytes -2 bytes zopfli --i10000 --mls512 --bsr16 --lazy --ohh September 8, 2015 @ 09:05
44232 bytes -4 bytes zopfli --i10000 --mls512 --bsr6 --lazy --ohh September 8, 2015 @ 09:00
44236 bytes -1 byte zopfli --i1000 --mls1024 --bsr10 --lazy --ohh September 7, 2015 @ 18:00
44237 bytes zopfli --i100 --mls2048 --bsr8 --lazy --ohh September 7, 2015 @ 16:56

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

Most recent activity on July 11, 2016 @ 15:54.

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
44260 44256 44264 44260 44248 44248 44253 44259 44258 44263 44250 44251 44250 44244 44250
44268 44273 44271 44269 44272 44264 44260 44247 44252 44253 44246 44233 44230 44235 44265
44269 44256 44234 44233 44235 44234 44233 44233 44232 44230 44231 44231 44237 44236 44242
44233 44234 44252 44232 44233 44233 44233 44230 44234 44230 44230 44234 44237 44234 44236
44269 44243 44238 44231 44235 44233 44230 44231 44231 44229 44229 44230 44235 44235 44229
44254 44243 44257 44264 44232 44233 44257 44225 44233 44230 44230 44231 44236 44233 44236
44258 44259 44237 44231 44236 44233 44233 44249 44233 44231 44230 44231 44234 44236 44247
44254 44258 44251 44270 44232 44261 44242 44249 44234 44229 44229 44230 44235 44233 44236
44256 44238 44251 44246 44233 44258 44230 44251 44236 44229 44232 44230 44235 44233 44236
44265 44257 44240 44264 44232 44233 44233 44232 44233 44233 44229 44230 44235 44230 44236
44271 44243 44238 44261 44233 44233 44233 44227 44233 44229 44230 44231 44235 44234 44239
44246 44244 44252 44232 44233 44233 44234 44234 44235 44230 44230 44235 44234 44234 44236
44265 44244 44238 44231 44236 44234 44232 44233 44230 44234 44234 44231 44236 44233 44236
44255 44256 44257 44243 44252 44252 44251 44226 44229 44229 44231 44231 44236 44233 44239
44263 44257 44268 44269 44259 44251 44249 44249 44230 44229 44228 44231 44234 44233 44267
44256 44243 44273 44266 44260 44261 44233 44242 44229 44248 44248 44231 44234 44234 44236
44265 44266 44240 44258 44232 44233 44233 44230 44230 44229 44235 44230 44235 44233 44236
44246 44243 44251 44234 44233 44233 44233 44225 44230 44230 44230 44231 44236 44236 44234
44252 44243 44239 44231 44233 44233 44226 44230 44230 44232 44228 44230 44236 44234 44236
44265 44257 44252 44233 44234 44233 44233 44233 44235 44231 44229 44229 44234 44234 44237
44264 44260 44272 44269 44267 44257 44233 44229 44230 44229 44229 44234 44234 44234 44236
44262 44240 44251 44231 44234 44233 44233 44226 44233 44230 44230 44231 44234 44234 44241
44264 44269 44251 44231 44233 44232 44233 44229 44230 44230 44230 44231 44234 44236 44246

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 44237 bytes 100%
1,000 44233 bytes -4 bytes 100%
10,000 44227 bytes -6 bytes 100%
100,000 44225 bytes -2 bytes 1.74%
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
44315 bytes +90 bytes (+0.20%)
44315 bytes +90 bytes (+0.20%)
44334 bytes +109 bytes (+0.25%) +19 bytes
44364 bytes +139 bytes (+0.31%) +49 bytes
44376 bytes +151 bytes (+0.34%) +61 bytes
44398 bytes +173 bytes (+0.39%) +83 bytes
44381 bytes +156 bytes (+0.35%) +66 bytes
44398 bytes +173 bytes (+0.39%) +83 bytes
44425 bytes +200 bytes (+0.45%) +110 bytes

Non-DEFLATE Algorithms

Archivers based on completely different compression algorithms often produce superior results.
Unfortunately, browsers only support gzip compression at the moment.
Algorithm Program Parameters Size Compared To Best Zopfli
ZPAQ (Wikipedia) zpaq zpaq -method 69 35311 bytes -8914 bytes (-20.16%)
RAR (proprietary) RAR rar a -m5 -md64m -mc63:128t -mt1 36916 bytes -7309 bytes (-16.53%)
PPMd (Wikipedia) 7zip 7za a -mx=9 -m0=ppmd 38683 bytes -5542 bytes (-12.53%)
Brotli (Wikipedia) brotli brotli -q 11 40595 bytes -3630 bytes (-8.21%)
Burrows-Wheeler transform (Wikipedia) bzip2 bzip2 -9 41389 bytes -2836 bytes (-6.41%)
LZMA2 (Wikipedia) xz xz -9 42052 bytes -2173 bytes (-4.91%)
ZSTD (Wikipedia) zstd zstd -19 43180 bytes -1045 bytes (-2.36%)

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):


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 2017.
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