16 common on-site SEO mistakes you might be making right now

SEO is more than inbound marketing. There’s massive overlap, but there’s a technical side to SEO that sometimes gets neglected, especially by casual followers of the industry.
As somebody who spends a great deal of time looking at sites searching for opportunities to optimize, I notice patterns that creep up often: technical mistakes that show up again and again.
Let’s go over these mistakes. If my experience is anything to go by, odds are high you’re making at least one of them.
1. Nofollowing your own URLs
There comes a time in every SEO’s life when they need to keep a page hidden from the search results — to prevent duplicate content issues, to hide member areas, to keep thin content pages out of the index, to hide archives and internal search result pages, during an A/B test and so on. This is perfectly innocent, perfectly noble and perfectly necessary. However…
… do not use the “nofollow” tag to accomplish this!
The “nofollow”

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