Flags unvisited tabs, so it is easy to recognise them and you will not miss anything.
All newly opened tabs are marked with the black triangle (▶), so you can easily see what you still need to read.
This extension is free but please consider a small donation for the developer.
Please email me your opinion/ideas: firstname.lastname@example.org.
Newly opened tabs with url https://chrome.google.com/ are not marked