Choose a version:
14% The original file has 783539 bytes (765.2k) and is available from the project website.
There you can find the official minified version, too, which brings down the size to 107501 bytes (105.0k, 14%).

After GZIP compression these minified files vary in size:
Boot
  45478 bytes (44.4k)
CDN, direct link
cdnjs
  40018 bytes (39.1k)
CDN, direct link
gzip -6 (default)
  39788 bytes (38.9k)
local copy
cdnhttps
  39766 bytes (38.8k)
CDN, direct link
gzip -9
  39725 bytes (38.8k)
local copy
Google
  39722 bytes (38.8k)
CDN, direct link
Yandex
  39722 bytes (38.8k)
CDN, direct link
jsdelivr
  39722 bytes (38.8k)
CDN, direct link
7zip -mx=9 -tgzip
  38514 bytes (37.6k)
local copy
kzip -s0 -rn -b1
  38503 bytes (37.6k)
local copy
libdeflate -12
  38478 bytes (37.6k)
local copy
pigz -11 -n
  38468 bytes (37.6k)
local copy
Zopfli
  38432 bytes (37.5k)
local copy
Zopfli (defluff)
  38431 bytes (37.5k)
local copy

perma-link to the smallest file on my server:
http://minime.stephan-brumme.com/files/angularjs/angular-1.2.26.min.js

You will automatically get the smallest AngularJS 1.2.26 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 1290 bytes by using my AngularJS 1.2.26 Zopfli version instead of the best available CDN (3.36% smaller than jsdelivr, 38432 vs. 39722 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 --mls4096 --bsr30 --lazy --ohh

(found November 27, 2015)
Description Value Parameter
iterations 100000  --i100000
maximum blocks 8  --mb8
maximum length score 4096  --mls4096
block splitting recursion 30  --bsr30
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 (38431 bytes).

Verify file integrity

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

MD5:
curl --silent --compressed https://code.angularjs.org/1.2.26/angular.min.js --location | md5sum
54e80189eeab605e835bddfa828ed968  -
curl --silent --compressed http://minime.stephan-brumme.com/files/angularjs/angular-1.2.26.min.zopfli.js.gz | md5sum
54e80189eeab605e835bddfa828ed968  -

SHA1:
curl --silent --compressed https://code.angularjs.org/1.2.26/angular.min.js --location | sha1sum
23311baab2a92be0150244d8368bd781c7a7ff22  -
curl --silent --compressed http://minime.stephan-brumme.com/files/angularjs/angular-1.2.26.min.zopfli.js.gz | sha1sum
23311baab2a92be0150244d8368bd781c7a7ff22  -

All listed CDNs deliver identical contents:
CDN Size (compressed) MD5 (uncompressed) Timestamp
Boot 45478 bytes 54e80189eeab605e835bddfa828ed968 March 18, 2015 @ 10:34
cdnjs 40018 bytes 54e80189eeab605e835bddfa828ed968 December 18, 2014 @ 18:00
cdnhttps 39766 bytes 54e80189eeab605e835bddfa828ed968 December 24, 2015 @ 07:32
Google 39722 bytes 54e80189eeab605e835bddfa828ed968 October 3, 2014 @ 20:23
Yandex 39722 bytes 54e80189eeab605e835bddfa828ed968 June 11, 2015 @ 14:17
jsdelivr 39722 bytes 54e80189eeab605e835bddfa828ed968 November 10, 2014 @ 19:18

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

Other Versions

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

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
38432 bytes -2 bytes zopfli --i100000 --mls4096 --bsr30 --lazy --ohh November 27, 2015 @ 23:47
38434 bytes -1 byte zopfli --i100000 --mls32 --bsr20 --lazy --ohh November 27, 2015 @ 23:08
38435 bytes -1 byte zopfli --i10000 --mls4096 --bsr12 --lazy --ohh September 9, 2015 @ 11:06
38436 bytes -2 bytes zopfli --i1000 --mls4096 --bsr8 --lazy --ohh September 7, 2015 @ 19:33
38438 bytes -2 bytes zopfli --i1000 --mls512 --bsr8 --lazy --ohh September 7, 2015 @ 19:30
38440 bytes -1 byte zopfli --i1000 --mls512 --bsr10 --lazy --ohh September 7, 2015 @ 19:30
38441 bytes zopfli --i100 --mls4096 --bsr8 --lazy --ohh September 7, 2015 @ 16:37

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

Most recent activity on June 16, 2016 @ 14:38.

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
38437 38437 38437 38437 38437 38437 38438 38438 38438 38441 38445 38440 38440 38437 38436
38445 38446 38445 38444 38445 38443 38436 38446 38446 38438 38446 38444 38439 38439 38445
38440 38440 38439 38440 38439 38444 38445 38439 38451 38446 38447 38440 38438 38439 38444
38442 38439 38438 38439 38437 38455 38436 38437 38441 38439 38451 38434 38441 38440 38442
38442 38443 38438 38439 38437 38443 38444 38438 38437 38445 38445 38432 38439 38440 38446
38464 38444 38438 38439 38448 38442 38455 38453 38445 38445 38448 38436 38456 38441 38440
38462 38446 38444 38449 38446 38442 38454 38456 38436 38447 38450 38455 38439 38438 38444
38439 38442 38438 38439 38436 38443 38436 38438 38443 38439 38451 38456 38438 38440 38444
38439 38442 38438 38437 38436 38442 38437 38439 38438 38445 38440 38434 38439 38441 38440
38437 38439 38441 38438 38440 38443 38444 38437 38436 38446 38449 38442 38441 38441 38440
38438 38440 38438 38444 38436 38443 38445 38438 38445 38446 38447 38442 38441 38438 38441
38446 38446 38437 38449 38436 38442 38443 38439 38445 38445 38445 38436 38442 38441 38436
38455 38464 38436 38448 38452 38452 38454 38454 38449 38445 38455 38442 38439 38441 38442
38439 38442 38438 38456 38450 38443 38444 38453 38455 38437 38451 38455 38438 38440 38440
38442 38442 38437 38439 38438 38444 38443 38436 38442 38438 38443 38433 38438 38440 38442
38439 38441 38439 38439 38448 38442 38443 38439 38436 38445 38444 38444 38440 38438 38440
38439 38438 38438 38440 38434 38442 38443 38440 38436 38446 38447 38432 38441 38439 38442
38439 38437 38438 38439 38436 38442 38443 38439 38436 38444 38440 38436 38439 38439 38444
38465 38449 38449 38451 38436 38450 38434 38439 38445 38446 38447 38436 38440 38440 38443
38442 38445 38438 38439 38437 38442 38444 38439 38446 38444 38439 38436 38439 38440 38444
38439 38438 38439 38437 38438 38443 38443 38438 38436 38438 38451 38444 38439 38438 38439
38441 38438 38438 38443 38436 38443 38444 38439 38436 38437 38440 38432 38438 38440 38442
38439 38443 38439 38445 38436 38443 38444 38439 38436 38437 38444 38438 38439 38438 38445

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 38441 bytes 100%
1,000 38436 bytes -5 bytes 100%
10,000 38435 bytes -1 byte 100%
100,000 38432 bytes -3 bytes 2.32%
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
38505 bytes +73 bytes (+0.19%) +2 bytes
38503 bytes +71 bytes (+0.18%)
38521 bytes +89 bytes (+0.23%) +18 bytes
38555 bytes +123 bytes (+0.32%) +52 bytes
38585 bytes +153 bytes (+0.40%) +82 bytes
38556 bytes +124 bytes (+0.32%) +53 bytes
38537 bytes +105 bytes (+0.27%) +34 bytes
38557 bytes +125 bytes (+0.33%) +54 bytes
38575 bytes +143 bytes (+0.37%) +72 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 31194 bytes -7238 bytes (-18.83%)
RAR (proprietary) RAR rar a -m5 -md64m -mc63:128t -mt1 32347 bytes -6085 bytes (-15.83%)
PPMd (Wikipedia) 7zip 7za a -mx=9 -m0=ppmd 33881 bytes -4551 bytes (-11.84%)
Brotli (Wikipedia) brotli brotli -q 11 35262 bytes -3170 bytes (-8.25%)
Burrows-Wheeler transform (Wikipedia) bzip2 bzip2 -9 36275 bytes -2157 bytes (-5.61%)
LZMA2 (Wikipedia) xz xz -9 36716 bytes -1716 bytes (-4.47%)
ZSTD (Wikipedia) zstd zstd -19 37636 bytes -796 bytes (-2.07%)

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