Or filtering and searching. Anything you can have a large number of should have an obvious filtering & searching UI. After how many decades of UI are we still so behind on basic usability design.
And if you'd like to read it later, bookmark it! You can organize bookmarks into groups, give them custom names, and they don't require the browser to be constantly hoarding multiple gigabytes of RAM.
Neither do the tabs, autosleep/unload exists, you know
And bookmark organization is worse since it's a separate UI breaking your mental connection to the physical layout that you spend most of the time with