Content

AnandTech
Ars Technica
Chief Logic Officer
The Drive
Google News
Hacker News
Popular Science
The Register
The War Zone

Reference

Common Sense Media
Dictionary.com
EventID.net
Google
IMDB
TheTVDB
Urban Dictionary
Wikipedia

Comics

Goblins
The Noob
Order Of The Stick
Rice Boy
Questionable Content
Sin Titulo

D&D

AideDD
The Hypertext d20 SRD
WotC - Dungeons & Dragons

MTG

MagicRef
MoxDiamond.com
MTGFanatic
WotC - Magic: The Gathering

Tools

Google PageSpeed Insightst
Internet Health Report
Netcraft Site Report
PC Tools - Password Generator
Ping.pe
Qualys SSL Server Test
SecurityHeaders.io
SpeedTest.net
SSL Checker
TasteKid
W3C MarkUp Validation Service WebPageTest

Commerce

Amazon
Beerology
Craigslist
eBay
Froogle
HeatWare
NewEgg
PayPal