glbtq.com was launched in 2003 and is regularly updated. It houses the largest, most comprehensive encyclopedia of LGBT culture in the world. The encyclopedia contains more than 2.2 million words—including overviews and surveys—covering almost 2,000 entries. The entries are categorized into three departments: Arts, Literature, and History and Social Sciences. The site also includes a discussion board and a special features section that presents interviews, slideshows, and spotlights. glbtq.com also issues a Newsletter on the 1st and 15th of each month, calling attention to new entries and spotlighting a particular group of entries.
All entries in the encyclopedia are signed and referenced. There are more than 350 contributors, whose biographies are included on the site. These include Tee Corinne (photographer and visual artist), Shaun Cole (curator at London's Victoria and Albert Museum), William Hood (professor of art at Oberlin College), Karla Jay (director of Women's Studies at Pace University), Stephen O. Murray (writer), and Jim Provenzano (writer).