smartscroll is a tiny (1126b minfied + gzipped) jQuery plugin that has these independent features: Section scrolling – Scrolljacking Auto-hash – Updates the URL hash based on current position on page Responsive – You can disable scrolljacking below a set breakpoint It also supports: Varied Section Heights Hybrid Scrolling – Both normal and scrolljacking on the same page Compatible with scrollbar – Can use scrollbar as well as mousewheel Disabling permalink history Correctly detects scroll…