The original title is "Technical SEO for Developers: Rendering, Semantic HTML, and Core Web Vitals"

Short summary

A developer-focused SEO guide arguing that technical infrastructure matters more than keyword optimization. Key recommendations include switching to SSR/SSG so content exists in initial HTML, using semantic HTML tags for proper hierarchy, fixing CLS by defining image dimensions and using font-display: swap, and ensuring robots.txt and dynamic sitemaps are correctly configured. The article reframes SEO as a performance and accessibility task rather than a marketing one.

• •Content must be in initial HTML response — client-side-only rendering delays indexing
• •Semantic HTML (h1-h3 hierarchy, main/nav/article landmarks) helps crawlers understand page structure
• •Core Web Vitals especially CLS can be fixed by sizing images and using font-display: swap
• •robots.txt and dynamic sitemap.xml are foundational but frequently misconfigured

Generated with AI, which can make mistakes.