5 items
Switch to a recent tab in one keystroke. ⌘E / Ctrl+E opens the list, tap E to cycle, release to jump. No data collected. Quick Tab Switcher gives Chrome the same motion you already use to switch apps: hold a modifier, tap a key, let go. Press ⌘E (Ctrl+E on Windows and Linux) and an overlay appears with the five tabs you used most recently in the current window. The tab you were just on is already selected, so a quick tap-and-release bounces you straight back to it. Keep the modifier held and tap E again to move further down the list. Let go to jump. No setup, no account, no configuration.
rating_count is the Chrome Web Store ratings count, not a written-review count.