SEO Fundamentals
Core SEO concepts, best practices, and foundational knowledge for building a strong search engine optimization strategy.
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SEO Fundamentals12 min read
What Are Backlinks? The Complete Beginner's Guide
Backlinks are hyperlinks from external websites pointing to yours — and 95% of web pages have zero of them. Learn what backlinks are, how Google evaluates them, the difference between dofollow and nofollow, and how to start building them strategically.
Sarah Chen2026-03-20
SEO Fundamentals14 min read
What Is Domain Rating (DR)? Ahrefs Metric Explained
Domain Rating (DR) is Ahrefs' 0-100 logarithmic metric measuring a website's backlink profile strength. Learn exactly how DR is calculated, what constitutes a good score, how DR differs from Moz DA, and proven strategies to improve your DR.
Sarah Chen2026-03-20