HLTV.org : The hub for professional match coverage, rankings, and stats.
CS2Nades: A comprehensive database for smoke, flash, and molotov lineups. Total CS : Commands, binds, and console tutorials. linksforCSGO.txt
If you are looking for a standard list of helpful resources for Counter-Strike: Global Offensive (CS:GO) or CS2, here are the most common links players usually look for: linksforCSGO.txt
CS2Stats.gg : Quick lookup for match history and player rankings. linksforCSGO.txt
Pricestacker: Useful for comparing skin prices across different markets.