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Technical SEO is the plumbing layer of search visibility — the part that determines whether a page can be found and understood at all, before content quality or backlinks even enter the picture.
The core pillars
- Crawlability — robots.txt, XML sitemaps, and a link structure crawlers can actually follow
- Indexing — no accidental noindex tags or canonical conflicts blocking pages from appearing in results
- Speed and Core Web Vitals — fast, stable pages that don’t shift or stall while loading
- Structured data — schema markup that helps search engines and AI systems understand a page’s content
Where to start
Run through the full Technical SEO guide, or get a prioritized punch list with an SEO audit. More in SEO Fundamentals and Technical SEO.
Related Reading
Related in SEO Fundamentals:
Supporting reading from related clusters:
Cornerstone guide: SEO Audit