Article · 15 min read

15 Common SEO Mistakes (And How to Fix Them)

Ahrefs · ahrefs.com Free Beginner

A practical list of the SEO mistakes that cost sites traffic and how to fix each, updated August 2026.

  • Check indexing and duplicate pages before writing more content.
  • Match each page to what the searcher wants.
  • Fix the mistakes on existing pages first; it is cheaper than new content.
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The question it answers

  1. Which SEO tools are actually worth paying for, how long until SEO pays off, and what mistakes do founders keep making?

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