Technical SEO checklist for modern WordPress sites

Technical SEO checklist for modern WordPress sites with core web vitals and site performance elements

Technical SEO is what makes your content discoverable. If search engines can’t crawl or understand your WordPress site, strong content won’t rank. Google’s Search Central Guidelines offer a good overview of what matters behind the scenes.

If you’re exploring long-term optimization strategies, you can also browse my blog for more tutorials.

1. Establish a clean site architecture

  • Use SEO-friendly permalinks like /category/post-name and avoid unnecessary parameters.
  • Secure your site with HTTPS: You can secure your site with a free SSL certificate offered by Let’s Encrypt.
  • Organize your content clearly with categories and subcategories to keep crawl depth shallow.
  • Generate and submit an XML sitemap via your SEO plugin.
  • Configure robots.txt carefully – don’t block important content.

2. Configure an SEO plugin

Plugins like Yoast SEO or Rank Math help you manage titles, metadata and sitemaps.

  • Set canonical URLs to avoid duplicate content.
  • Add schema markup for articles, products or FAQs. The Schema.org library is a useful reference.

Enable breadcrumbs and verify your site in Search Console for performance insights.

3. Optimise content and on-page elements

  • Do keyword research aligned with user intent.
  • Use clean headings and only one H1 per page.
  • Compress images, convert to WebP and add descriptive alt text.
  • Use internal links to help crawlers discover related content.

If you want help building a clean structure or fixing technical issues, you can check my services.

4. Improve site speed

  • Enable caching through your hosting or a plugin.
  • Turn on GZIP compression.
  • Use a CDN to reduce latency.
  • Minify CSS and JS files.

Test performance using PageSpeed Insights for detailed recommendations.

5. Ensure mobile-friendliness

  • Use a responsive WordPress theme.
  • Run your site through Google’s Mobile-Friendly Test.
  • Optimize Core Web Vitals: LCP, FID and CLS.
  • Use Screaming Frog or any audit tool to find 404s and redirect chains.
  • Set 301 redirects for deleted or moved pages.

7. Implement structured data and canonical tags

  • Add structured data with JSON-LD to improve rich result eligibility.
  • Canonical tags help indicate the primary version of similar or duplicate pages.

8. Enhance security and user trust

  • Keep WordPress core and plugins updated.
  • Use strong passwords and two-factor authentication.
  • Install security plugins such as Wordfence or Sucuri.
  • Create privacy and terms pages.

9. Monitor and maintain

  • Check Search Console regularly for indexing and performance insights.
  • Run routine audits to catch technical issues early.
  • Refresh outdated posts and update links.
  • Test critical elements like forms and checkout flows.

Conclusion

Technical SEO keeps your WordPress site fast, crawlable and search-friendly. By improving architecture, speed, mobile responsiveness, structured data, security and ongoing maintenance, you give your content the best chance to rank in 2026 and beyond.

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