What a bill page gives you. The Congressional Research Service's own plain-English summary of the measure, reproduced as published — then the sponsor, the policy area, the latest action on the official record, and every recorded vote in either chamber with its tally and a link to the chamber's own roll-call file.
What is here. — Every measure that got a recorded floor vote in either chamber is here, plus every one that became law. Measures introduced and never voted on are not — they are in the source data but have no page.
A word on the summaries. They are written by the Congressional Research Service, not by this site, and they describe the version named at the top of each one, which may differ from what finally passed. The official title and the govinfo.gov record are one click away on every page.