1. If in doubt, perhaps prefer pagination to infinite scroll.
2. With infinite scroll, always integrate a footer reveal.
3. Consider separating “old” and “new” items visually.
4. Provide an option to continue browsing later.
5. Consider using “load more” + infinite scroll together.
6. Consider using pagination + infinite scroll together.
7. Change the URL as new items are loaded in and expose it to users.
8. Allow users to jump to any page with a pagination drop-down.
9. Consider using scrollbar range intervals.
10. Consider allowing users to pin or bookmark items/areas of interest.
11. Make sure accessibility and performance are major considerations in the implementation.
12. Original Article by Vitaly Friedman