Position-based commands need a clear boundary
Closing tabs to one side is efficient when the tab bar is already organized and every page beyond the boundary is disposable. It is risky when project pages, drafts and temporary searches are interleaved.
Safari's exact menu wording can vary by version and context. Use the command shown for the selected tab and review the affected side before confirming the cleanup.
Use meaning when position is not enough
TabCaptain can filter open tabs, group them by website and isolate duplicate URLs. These views help define a semantic set without assuming that adjacent tabs belong together.
Review website groups and repeated URLs before changing the set. Close individual tabs, a whole group or duplicate copies according to what you have checked.
Plan for recovery
Safari's Recently Closed history may reopen page addresses, but it cannot guarantee unsaved website state. Save drafts and complete active transfers before using a command that affects many pages.
- Inspect every affected tab.
- Prefer a selected set when the boundary is mixed.
- Use website or duplicate groups for semantic cleanup.
- Verify the result immediately.