>>2337612There's a trick to it. Sign up for an account and add rating:q and rating:e to your tag blacklist. Now you're always browsing SFW images without having to waste a tag on it.
While I'm on the subject, Danbooru has HTTPS support although they don't advertise it. Here's a simple user script for HTTPS Everywhere that rewrites HTTP to HTTPS:
http://pastebin.com/bfE0iweZNow the NSA will never know about your secret love for Mion.