Puntuado con 4 de 5 estrellas

This addon is a GREAT idea but simply does not work for me. I only get a white square where the preview should be. Also this doesn't work when bookmarks are in the sidebar.
*edit* ok seems to work now from menu but not sidebar still. Also, can you only show previews on a button press, for instance like when the shift key is held down ?

Esta valoración es de una versión anterior del complemento (1.0.8). 

The preview loads the bookmark when you mouse over. It will take the same amount of time to load the preview as it does to browse the website. I will look into improving its speed.