Hundreds of other things? I just said 15 things!
There's definitely tab rot though, and coming back to an area often sees half of the tabs cleared before continuing. I can't imagine that kind of turnover with bookmarks though, especially with how comparatively clunky removing bookmarks is.
Boockmarks don't updated themselves either, so keeping my place in a story or post list is way harder. Tabs also maintain physical correlations, with a parent tab closing all children when closed, and staying near where you use them. Bookmarks need to be explicitly organized and updated, taking several clicks for each, instead of being organized and updated just by using them.
How often are tabs processed? Most tabs get closed before they're a week old, some groups are reused every week --TTRPG references mostly-- currently using ~15 tabs:
5 indexes,
2 character sheets,
5 common references,
and whatever weird stuff was relevant last session
Other groups are used or closed as projects are worked on:
6 tabs for Factorio calculators,
~10 tabs for exoplanet research for worldbuilding,
~20 game tutorials (these could probably be bookmarks),
~15 wikis for the various games I've played in the last few months (half could be bookmarks),
~10 tabs for setting up my new phone (these will be closed soon),
5 tabs I just closed because I stopped needing them,
~5 youtube series I listen to while I work, as the topic strikes me,
~15 individual videos I'll probably watch in the next few weeks (several are 2+ hours long),
~15 music tabs of either specific songs or topics I listen to as the fancy strikes me,
~20 tabs of bugs and issues I've been having (which will get cleared when I resolve them or stop caring),
~20 tabs of research for a work project (15 will probably be closed immediately)(should probably not be in my personal browser),
~10 tabs of stuff I just looked up in the last couple of days and haven't closed yet,
And probably 10 aspirational tabs of stuff I'd like to get to in the future, but probably won't (definitely won't if they're bookmarks).
I've touched ~80% in the last 3 months, and ~50% this month, although my phone has a lot more old aspirational tabs.
When it comes to a list building up, what's the difference between old tabs and old bookmarks anyway? Neither are using any resources. A link wouldn't be and more or less important as a bookmark than a tab.
