Technical SEO: audit and website optimization 2026

December 31, 20256 min readURL: /en/blog/seo-techniczne-audyt-i-optymalizacja-2026
Autor: 7kar7son7Developer

Complete guide to technical SEO: crawling, indexing, Core Web Vitals and structured data.

seotechnicaloptimization

TL;DR

  • technical seo audit optimization 2026
  • For website owners who want to improve Google visibility and SEO ranking.

Who this is for

  • For website owners who want to improve Google visibility and SEO ranking.

Keyword (SEO)

  • technical seo audit optimization 2026

Crawling and indexing

  • Robots.txt and sitemap.xml
  • Canonical tags
  • Meta robots (noindex, nofollow)
  • Check in Google Search Console

Core Web Vitals

  • LCP < 2.5s (fast loading)
  • FID < 100ms (interactivity)
  • CLS < 0.1 (layout stability)
  • Lighthouse score > 90

Structured data

  • Schema.org markup (JSON-LD)
  • Breadcrumbs, FAQ, HowTo
  • Organization, LocalBusiness
  • Rich snippets in results

Mobile-first and responsiveness

  • Mobile-first indexing
  • Responsive design
  • Touch-friendly buttons
  • Viewport meta tag

FAQ

How long does technical SEO audit take?

Basic audit: 2-4 hours. Full audit with report: 1-2 days. Depends on site size.

Does technical SEO affect ranking?

Yes! Google uses Core Web Vitals as ranking factor. Technical errors can lower positions.

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About the author

Developer at DevStudio.it. Focused on performance, SEO and production-ready web apps.

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