An open tab can feel like a promise: I will read this, compare that, finish the other thing. Then the promises shrink into little slivers across the top of the screen, and finding your email becomes a puzzle.
Save the task, not just the page
For anything you truly need, write down the action with the link. “Check the opening hours before Saturday” is useful. A bare link in a folder called Miscellaneous is much easier to forget. Keep this list somewhere you already look, rather than starting a new system that needs its own reminder.
Separate now from maybe
Keep the pages needed for your current task open. Put genuine later reading in one saved list. Close the pages you opened out of curiosity and no longer care about. You are allowed to change your mind about an article without finishing it.
Before closing a page with work in progress, save the work. A tidier browser is not worth losing a half-written message or an unsubmitted form.
Make the next session easier
When you finish a task, close its tabs then. That is the part that keeps the reset from becoming a monthly rescue operation. If several tasks need their own groups of pages, use whatever grouping feature your browser offers, with short names you understand.
You do not have to reach zero tabs. This is not a contest, and the number is not a measure of how organized you are. The useful question is simpler: can you tell what you are doing right now, and can you find the thing you need?