Let's face it, most climbers today actually work. Yes, some live out of their car, follow the sun, and climb perfect rock year-round, but most don't. Chances are, if you're putting in 40 hours a week, you belong to at least one climbing forum site. Whether you lurk, laugh, or laud these sites, the ones you frequent can tell others a lot about who you are.
Mountainproject.com is a site that likes to think of itself as full of great information, and it is. Most of the information is fairly accurate and regular users are useful with beta. If you frequent this site, chances are you're checking out the great climbing area just about every weekend, or you're spending your work day daydreaming about climbing. Slogan "Reading Guidebooks is Better than Climbing"
Supertopo.com makes Yosemite, the Sierras, and the rest of California look like the only place worth visiting. Like the beach boys who worshiped surfing, the users here worship everything California or related to California. Slogan "Free climbing is what you do when you drop your aiders."
Neice.com while summer topo is out worshiping the California sun and cliffs, these dancing naked in the moonlight to bring out winter. Slogan "Rock Climbing is what you do when the ice melts."
8a.nu the holy grail of look at me and how hard I climb. Member here are focused on a scorecard system that identifies stats and how hard they climb. This is the ideal site for anyone looking to noticed for climbing hard. Slogan "Because the world wants to know how hard I climb."
Rockclimbing.com the site dedicated to insulting other climbers so you can feel better about yourself. Most people on this site have too much time on their hands and feel the need to belittle others. Post ridiculous post lead to great and lengthy debates about absolutes in climbing. Everyone is a self-professed expert and will let you know. Slogan "Crush the noob for asking."