I’m having trouble loading large tables, where I can import them, but the edit page is timing out before I can change the settings. Can I suggest that, at least for large tables, the cells of the table are not immediately loaded on the edit page. This would allow quick loading, and allow settings like table name, datatables settings, etc. to be edited without having to wait for the whole table to load. Alternatively, offer a separate Quick Edit page like WP has for posts, that allows you to change the settings that don’t require seeing the whole list.

Secondarily, you could allow parts of the table to be loaded when dealing with large tables, to not time out. Since you’re not doing things like sorting and searching, maybe you could do a lot of editing without having to see all the rows in a table.