June 24, 2026

Technical SEO Checklist for Professional Developers

Core Web Vitals, URL structure, schema markup, sitemaps and common Next.js SEO mistakes.

Technical SEO bridges engineering and marketing. Correct architecture on day one reduces downstream SEO cost.

Foundations

URL architecture

Readable URLs, canonical tags, consistent www policy, hreflang for multilingual sites.

Metadata

Unique titles, meta descriptions, Open Graph, robots.txt and sitemap.xml.

Performance

Target strong Core Web Vitals — optimize images, fonts and client JS.

Next.js / React

SSR/SSG for public pages, generateMetadata, JSON-LD schemas, next/image with meaningful alt text.

Content structure

One H1 per page, logical headings, internal linking between services, blog and portfolio.

Common mistakes

Staging noindex on production, bad canonicals, duplicate locales without hreflang, broken sitemap URLs.

Satranaut ships baseline technical SEO, sitemaps and blog structure in every web project.