WoWRosterProfiler is a World of Warcraft addon that extracts character info including stats, equipment, inventory (bags & bank), trade skills, spellbook, mail, and pets.

WoWRosterGuildProfiler is a World of Warcraft addon that extracts guild roster & info from the Guild Roster.

Data for both of these addons is saved in the file SavedVariables\WoWRoster.lua in the ["cpProfile"] block. This information can then be uploaded to your website to display your profile(s).