Technical SEO is about removing obstacles, not adding tricks. Run this checklist before every launch and after major changes.
Crawlability
robots.txtpresent, not blocking key pages — generate with the robots.txt generator- No
noindexon pages you want indexed - Sitemap submitted and current
- Internal links use crawlable
<a href>
Indexability
- One self-referencing canonical per page — check with the canonical checker
- No duplicate titles across pages
- Pagination handled correctly
Speed
- Images sized and compressed
- Core Web Vitals pass (see CWV guide)
- No render-blocking bloat
Structured data
- Correct type per page, valid JSON — test with the schema validator
- Monitor Enhancements in Search Console
Mobile & trust
- Mobile layout works and text is legible
- Contact and policy pages present
Run a quick audit by pasting HTML into the on-page audit, then fix the highest-priority issues first.