Choose from thousands of extra features and styles to make Firefox your own.Close
|User since||September 12, 2011|
|Number of add-ons developed||0 add-ons|
|Average rating of developer's add-ons||Not yet rated|
Very useful for the older semantic markup supported. Really needs the new 2011 schema.org HTML microdata supported! Without this this addon isn't going to be of much use going forward as more web sites converge on the new standard.