Website Annotations
Mark Text selections on a website managed with tabsets and highlight them later
Experimental
To activate this experimental feature, click on "settings" (the icon in the lower right of the side panel) and then check the "developer mode" in "Feature Toggles" to show the list of experimental features.
In the features list, click on 'Annotate Websites' and then on the "Activate Feature" Button.
Open a website that is stored as a tab in tabsets, select some text, and then right-click and choose "tabsets extension" > "annotate".
You will notice a new icon for the tab in the tabsets panel. Click to expand:
Clicking on the annotation text (here "This domain is for...") will highlight the corresponding text in the website itself: