Technical SEO Checklist for 2026: What Actually Matters
Cut through the noise. Here's the technical SEO checklist that focuses on what Google actually cares about in 2026.
Technical SEO has evolved. Many 'best practices' from 2020 are now outdated, while new factors have emerged. Here's what actually moves the needle in 2026.
Core Web Vitals: Still Essential
Google's Core Web Vitals remain a ranking factor. Focus on these three metrics:
- LCP (Largest Contentful Paint): Under 2.5 seconds
- INP (Interaction to Next Paint): Under 200ms — replaced FID in 2024
- CLS (Cumulative Layout Shift): Under 0.1
Use PageSpeed Insights to check your Core Web Vitals. Prioritize mobile scores — that's what Google uses for ranking.
Make the shortlist decision
Ready to compare your own candidate names?
Paste up to 50 names into Bulk Check, verify six domain extensions, and add Founder Signal when you want a ranked view.
Availability is best effort and should be confirmed with your registrar before purchase.
Check my shortlistMobile-First Is Non-Negotiable
Google uses mobile-first indexing for all sites. If your mobile experience is poor, your rankings suffer — even for desktop searches.
- Responsive design (not separate mobile URLs)
- Touch-friendly buttons (48x48px minimum)
- Readable font sizes (16px+ base)
- No horizontal scrolling
- Fast mobile load times
Crawlability and Indexation
XML Sitemap
Submit a clean XML sitemap to Google Search Console. Only include pages you want indexed — no thin content, no duplicates.
Robots.txt
Ensure your robots.txt isn't blocking important pages. Common mistake: blocking CSS/JS files that Google needs to render your page.
Internal Linking
Every important page should be reachable within 3 clicks from the homepage. Orphan pages (no internal links) rarely rank well.
Bring your shortlist to NamoLux. Check six domain extensions, then use Founder Signal to compare finalists on a consistent primary TLD.
Check your shortlistHTTPS and Security
HTTPS is mandatory. But security goes beyond SSL:
- Valid SSL certificate (not expired, correct domain)
- Security headers (Content-Security-Policy, X-Frame-Options)
- No mixed content (HTTP resources on HTTPS pages)
- Regular security updates
Structured Data (Schema)
Schema markup helps Google understand your content and can earn rich snippets. Priority schemas for most sites:
- Article/BlogPosting for content
- Organization for your business
- FAQPage for FAQ content
- Product for e-commerce
- LocalBusiness for local companies
What Doesn't Matter Anymore
- Keyword density (focus on topics, not percentages)
- Meta keywords tag (ignored by Google)
- Exact-match anchor text (can hurt more than help)
- H1 tag count (one is fine, more won't hurt)
- URL keyword stuffing
Your Technical SEO Action Plan
Start with the basics: Core Web Vitals, mobile experience, and crawlability. Once those are solid, layer in schema markup and security enhancements.
Bring your shortlist to NamoLux. Check six domain extensions, then use Founder Signal to compare finalists on a consistent primary TLD.
Check your shortlistRelated Articles
Mobile SEO Checklist 2026: What Google Actually Checks for Mobile-First Indexing
Google indexes the mobile version of your site first. Here's a practical checklist for making sure your mobile experience isn't silently killing your rankings.
What Google's AI Overviews Mean for Your SEO Strategy in 2026
Google's AI Overviews are changing how traffic reaches websites. Here's what it actually means for your SEO strategy — and what to do about it.
Bring the candidates into one view.
Check domains and compare the strongest options together.
Check a shortlist