nylira/prism-break — pull request #186 by Olathe (2013-06-27 12:44:59+00:00)
Title: Image optimization 2

I found out that AdvPNG has a nice new compression algorithm. It appears that using both PNGOUT and AdvPNG gives much better results than using either one alone.

### File size reductions
Total change -63354

Size change	File path

-1257	assets/img/free-100/enigmail.png

-1239	assets/img/free-100/namecoin.png

-1228	assets/img/free-100/otr.png

-1196	assets/img/free-100/webpg.png

-1193	assets/img/free-100/clawsmail.png

-1167	assets/img/free-100/startpage.png

-1163	assets/img/free-100/projectmeshnet.png

-1127	assets/img/free-100/fixtracking.png

-1091	assets/img/free-100/icedove.png

-1085	assets/img/free-100/onionbrowser.png

-1079	assets/img/free-100/icecat.png

-1056	assets/img/free-100/thunderbird.png

-1047	assets/img/free-100/bitcoin.png

-1032	assets/img/free-100/debian.png

-1029	assets/img/free-100/openstreetmap.png

-1026	assets/img/free-100/duckduckgo.png

-997	assets/img/free-100/tor.png

-989	assets/img/free-100/bsd.png

-986	assets/img/free-100/mailvelope.png

-973	assets/img/free-100/wordpress.png

-969	assets/img/free-100/yacy.png

-966	assets/img/free-100/seeks.png

-961	assets/img/free-100/firefox.png

-956	assets/img/free-100/adium.png

-920	assets/img/free-100/kmail.png

-918	assets/img/free-100/retroshare.png

-915	assets/img/free-100/trisquel.png

-907	assets/img/free-100/sparkleshare.png

-902	assets/img/free-100/linux.png

-899	assets/img/free-100/pidgin.png

-879	assets/img/prop/google-picasa.png

-864	assets/img/free-100/bitmessage.png

-845	assets/img/free-100/ubuntu.png

-758	assets/img/free-100/jitsi.png

-743	assets/img/free-100/mumble.png

-725	assets/img/free-100/chatsecure.png

-697	assets/img/free-100/linphone.png

-693	assets/img/free-100/mediagoblin.png

-685	assets/img/free-100/pumpio.png

-676	assets/img/free-100/xabber.png

-673	assets/img/free-100/evolution.png

-656	assets/img/free-100/salutatoi.png

-636	assets/img/free-100/gibberbot.png

-635	assets/img/free-100/gnupg.png

-616	assets/img/free/projectmeshnet.png

-577	assets/img/free-100/orbot.png

-562	assets/img/free-100/lorea.png

-547	assets/img/free-100/cryptocat.png

-517	assets/img/free-100/tails.png

-482	assets/img/free/onionbrowser.png

-479	assets/img/free-100/nightweb.png

-458	assets/img/free-100/textsecure.png

-441	assets/img/free/liberte.png

-407	assets/img/free/icedove.png

-397	assets/img/free-100/redphone.png

-392	assets/img/free/wordpress.png

-391	assets/img/free/noscript.png

-390	assets/img/free-100/fn.png

-384	assets/img/free-100/cyanogenmod.png

-376	assets/img/free/bitcoin.png

-375	assets/img/free-100/friendica.png

-363	assets/img/free/enigmail.png

-362	assets/img/free/webpg.png

-356	assets/img/free-100/gnusocial.png

-354	assets/img/free/retroshare.png

-342	assets/img/free/icecat.png

-335	assets/img/free/mailvelope.png

-322	assets/img/free/clawsmail.png

-305	assets/img/free/kmail.png

-301	assets/img/free-100/prohibition.png

-295	assets/img/free/thunderbird.png

-293	assets/img/free/trisquel.png

-279	assets/img/free-100/diaspora.png

-278	assets/img/free/ethercalc.png

-275	assets/img/free-100/replicant.png

-271	assets/img/free/startpage.png

-264	assets/img/free/namecoin.png

-261	assets/ico/apple-touch-icon-144-precomposed.png

-261	assets/img/free/buddycloud.png

-255	assets/img/free/openstreetmap.png

-254	assets/img/free/linux.png

-248	assets/img/free/fixtracking.png

-238	assets/img/free/duckduckgo.png

-231	assets/img/free-100/seafile.png

-229	assets/img/free/bsd.png

-218	assets/img/free-100/piwik.png

-218	assets/img/free/mumble.png

-212	assets/img/free-100/etherpad.png

-210	assets/ico/apple-touch-icon-114-precomposed.png

-205	assets/img/free/otr.png

-202	assets/img/free-100/piwigo.png

-195	assets/img/free-100/tormail.png

-195	assets/img/free/pidgin.png

-187	assets/img/free-100/opennic.png

-181	assets/img/free/yacy.png

-174	assets/img/free/sparkleshare.png

-173	assets/img/free/tails.png

-161	assets/img/free/firefox.png

-148	assets/img/free/evolution.png

-142	assets/img/free/linphone.png

-140	assets/img/free/lorea.png

-138	assets/img/free-100/zenphoto.png

-138	assets/img/free/cryptocoin.png

-135	assets/img/free/chatsecure.png

-132	assets/img/free/adium.png

-130	assets/img/free/fedora.png

-129	assets/img/free-100/movim.png

-129	assets/img/free/tor.png

-127	assets/img/free-100/linuxmint.png

-126	assets/img/free/fdroid.png

-125	assets/img/free/diaspora.png

-121	assets/img/free-100/owncloud.png

-120	assets/img/free/cryptocat.png

-115	assets/img/free-100/ethercalc.png

-114	assets/img/free/debian.png

-114	assets/img/prop/apple-icloud.png

-108	assets/img/free/gnusocial.png

-107	assets/img/free/pumpio.png

-106	assets/img/prop/instagram.png

-104	assets/ico/apple-touch-icon-72-precomposed.png

-98	assets/img/free/jitsi.png

-92	assets/img/free/owncloud.png

-90	assets/img/free/httpseverywhere.png

-89	assets/img/free/opennic.png

-87	assets/img/free/tormail.png

-85	assets/img/free/disconnect.png

-80	assets/img/free-100/tentio.png

-80	assets/img/free/mediagoblin.png

-79	assets/ico/apple-touch-icon-57-precomposed.png

-78	assets/img/free-100/syndie.png

-78	assets/img/free/etherpad.png

-73	assets/img/free/zenphoto.png

-71	assets/img/prop/ios.png

-70	assets/img/prop/apple-osx.png

-63	assets/img/free/adblockedge.png

-56	assets/img/free/movim.png

-52	assets/img/free/prohibition.png

-49	assets/img/free-100/tahoe-lafs.png

-48	assets/ico/favicon-retina.png

-48	assets/img/free/gibberbot.png

-46	assets/img/free-100/i2p.png

-44	assets/img/free/salutatoi.png

-41	assets/img/free/tentio.png

-39	assets/ico/favicon.png

-39	assets/img/free/noblogs.png

-39	assets/img/free/seeks.png

-37	assets/img/free/autistici.png

-34	assets/img/free/csipsimple.png

-32	assets/img/free-100/csipsimple.png

-22	assets/img/free/xabber.png

-11	assets/img/free/gnupg.png

-11	assets/img/prop/groupwise.png

-4	assets/img/prop/tumblr.png

-2	assets/img/free-100/riseup.png

-1	assets/img/free-100/surespot.png

-1	assets/img/free/friendica.png

-1	assets/img/free/linuxmint.png

-1	assets/img/free/orbot.png

-1	assets/img/prop/google-chrome.png

-1	assets/img/prop/linkedin.png

-1	assets/img/prop/ms-outlook.png