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Technical SEO Checklist
A practical checklist for crawlability, indexation, performance, structured data, and accessibility.
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Crawlability
XML sitemap submitted to Google Search Console and Bing
Robots.txt does not block important pages or CSS/JS
No crawl errors, 404s, or server errors
Indexation
Canonical tags consolidate duplicate content
No orphan pages without internal links
Important pages return HTTP 200
Mobile
Mobile-friendly design and responsive layout
Core Web Vitals
Largest Contentful Paint under 2.5s
Interaction to Next Paint under 200ms
Cumulative Layout Shift under 0.1
Structured Data
Schema markup implemented (Article, FAQ, HowTo)
On-Page
Descriptive title tags and meta descriptions
Internal links with descriptive anchor text
Accessibility
Alt text for meaningful images
Security
HTTPS enabled across the entire site