Hacker News Reader

There is so much SEO information and misinformation out there, I don't think "common sense" isn't a useful way to look at the industry.

I don't mean to put words in your mouth, but I've seen this type of question many times and the subtext often suggests that a need alone isn't enough to justify an industry. It's a service, and one many people would rather pay for than spend their time learning and doing.

All of them _are_ "common sense" - in the same way that most invocations of the term "common sense" usually mean "things that people know or ought to know but are apparently ignoring.

Most web site owners are not applying "common sense" SEO strategies to their sites. Many "web designers" don't either.

It's common sense the way UX and PR is common sense.