Core Web Vitals
- LCP under 2.5s — preload hero images, use CDN
- CLS under 0.1 — always set width/height on images
- INP under 200ms — reduce main thread blocking
Indexation
- Check GSC for "not indexed" errors
- Verify robots.txt is not blocking key pages
- Canonical tags must point to correct URLs
Schema Markup
Implement JSON-LD for Organisation, BreadcrumbList, Article and FAQPage.
