SEO
Technical SEO
Quick definition
Technical SEO is the practice of optimizing a website's infrastructure — crawling, indexing, performance, and architecture — to improve search visibility.
Technical SEO covers crawlability, indexability, site speed, structured data, mobile usability, JavaScript rendering, internationalization, and security.
Why Technical SEO matters
Most ranking issues in mature SaaS sites trace to technical SEO debt accumulated through redesigns, migrations, and platform changes.
How Technical SEO works in practice
Audit quarterly with Screaming Frog or Sitebulb, paired with Google Search Console's crawl, index, and Core Web Vitals reports.
Best practices
- Run quarterly crawls with Screaming Frog or Sitebulb.
- Watch Core Web Vitals trends in Search Console.
- Validate structured data after every release.
- Plan migrations with redirect maps and post-launch monitoring.
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Related terms
Core Web Vitals
Core Web Vitals are a set of Google-defined user-experience metrics measuring loading performance (LCP), interactivity (INP), and visual stability (CLS).
Crawl Budget
Crawl budget is the number of pages a search engine bot will crawl on your site within a given period, based on crawl rate limit and crawl demand.
Indexing
Indexing is the process by which search engines add discovered pages to their searchable index, making them eligible to rank for queries.
XML Sitemap
An XML sitemap is a structured file listing the URLs you want search engines to crawl and index, with metadata like last-modified dates and priority.