A list by
Tactics for Source Games (Half Life, Portal, etc)
Link to the SourceRuns Forums, to discuss Source Games Speedrunning
Websites and Forums for Zelda speedrunning
Wiki of Super Mario World speedrunning, explaning routes, tactics, and exploits to get the fastest time possible.
General Speedrunning Videos, strats, routes, and glitches for most video games.
Live Streams of Speedruns and races
Timer and splits made for speedrunning