Chrome extension, which marks you tabs by small circle
Every time you have a lot of tabs from one site and which have one icon, you have to switch for a long time to find what you need
This extension will help you not get lost in them 
and
You just need to click on the icon 
and 
then the tab will have a small mark. Now finding the necessary tab is easier than ever
And if you quickly click on the icon, the color of the mark will change