Technical SEO checklist for 2026

Modern technical SEO requires performance, structured data and clear crawl paths. Use this checklist to prioritize engineering and content work.

Checklist

• Ensure fast TTFB and core web vitals
• Provide a clean XML sitemap and robots.txt
• Implement structured data for products, articles and organization
• Fix crawl errors and redirect chains
• Optimize internal linking and topical clusters
• Audit mobile UX and accessibility

Action plan

Run the audit, triage fixes by impact and effort, and measure results using rank and organic conversion metrics.