Meta analysis gives insight into what's currently happening in SoloQ within your region, as well as across the globe.
Champion breakdowns provide information about how a champion is performing in a given time frame, within certain match ups, and across build paths.
The Leaguepedia API and Bayes API provide competitive data for games in every region. This information can be seized to find out whats working abroad to see how it might fit in to your current play style.
Player reports keep track of how your players are performing week on week. I can give insight to SoloQ performance over champions, playtime and most other conceivable metrics that are made available via the API.