We definitely screen and edit every submission. About 5 out of every 100 submissions are accepted. By the time they actually get added, usually a month or so has passed, a minimum of 3 editors have reviewed the site and a paid writer has written a custom summary of the site. Even the writer's comments get reviewed and occasionally edited before final inclusion. Then, every 3 months categories get a manual review where we remove the "weakest links". Quality rather than quantity has been our biggest concern in recent years since we are getting so many submissions and finding quality sites ourselves is becoming easier.