| # Visited URL Ranking Component |
| |
| Component that facilitates fetching and ranking of aggregated user URL visit |
| data managed by different sources (e.g. Tab Model, Session, History). |
| |
| ## Visited URL Ranking services |
| |
| There is a common interface to fulfill data fetching requirements: |
| |
| * [URLVisitDataFetcher](/components/visited_url_ranking/public/url_visit_fetcher.h) |
| Common interface that facilitates fetching and aggregation of URL visit data |
| across different sources. |
| |
| There are different services that fulfill different requirements: |
| * [SessionURLVisitDataFetcher](/components/visited_url_ranking/internal/session_url_visit_data_fetcher.h) |
| Service that facilitates fetching and aggregating data from the `session` |
| source. |
| * [HistoryURLVisitDataFetcher](/components/visited_url_ranking/internal/history_url_visit_data_fetcher.h) |
| Service that facilitates fetching and aggregating data from the `history` |
| source. |
