Rated 5 out of 5 stars

le Cakehole ar Aib. 25, 2015 ·

One idea, change the colour of private tabs so they're easier to distinguish from normal tabs (I know the purple mask icon is there but I sometimes forget about it)
Or just change the favicon to the purple mask

Léirmheas ar leagan níos sine den bhreiseán seo (0.1.7.3.1-signed). 

le Infocatcher (Forbróir) ar Aib. 25, 2015 ·

See https://github.com/Infocatcher/Private_Tab#styles

Rated 5 out of 5 stars

le Cakehole ar Aib. 8, 2015 ·

Convenient

Léirmheas ar leagan níos sine den bhreiseán seo (0.1.7.3.1-signed).