Technical SEO Checklist

Key takeaways

A technical SEO checklist ensures search engines can crawl, render, and index your pages.
Check robots.txt, noindex tags, and canonical tags before publishing.
After publishing, verify indexing, sitemap inclusion, and Core Web Vitals.
Avoid blocking assets, ignoring duplicates, or treating audits as one-off tasks.

This checklist covers the most common technical issues that affect search visibility.

Do you have access to Google Search Console?
Do you have a crawl tool like Screaming Frog or Sitebulb?
Have you identified your most important pages (homepage, product/category, blog)?
Do you have a list of all live URLs (from sitemap or crawl)?

Is the page accessible to search engines (not blocked by robots.txt or noindex)?
Does the page have a unique, descriptive title tag and meta description?
Is the URL clean, short, and keyword-rich (e.g., /technical-seo-checklist not /p=123)?
Does the page use a self-referencing canonical tag?
Is the page mobile-friendly (test with Mobile-Friendly Test)?
Does the page load in under 2.5 seconds (LCP < 2.5s)?
Is structured data (e.g., Schema.org) present and valid for the content type?
Are images optimized with alt text and compressed formats?
Is internal linking clear (at least one link from another important page)?

Blocking important pages or assets in robots.txt and then wondering why pages are not indexed or rendered correctly.
Leaving duplicate URL variants live without canonicalization or proper redirects, such as www vs non-www or HTTP vs HTTPS.
Submitting XML sitemaps that include redirected, noindex, or duplicate URLs.
Treating technical SEO as a one-time audit instead of an ongoing monitoring process.

How often should I run a technical SEO checklist?

At least quarterly, or after major site changes like redesigns, migrations, or new content sections.

Do I need to check every URL?

No. Focus on high-value pages (homepage, product/category pages, blog posts) and sample a representative set.

Google Search Central — Primary source for Google's guidance on crawling, indexing, sitemaps, robots.txt, structured data, and rendering.
Google Search Central: SEO Starter Guide — Official overview of technical and foundational SEO best practices.
Google Search Console Help — Useful for validating indexing, sitemaps, manual actions, and crawl-related reports.
Moz SEO Audit Checklist — Widely used practitioner reference for structuring technical audits and pass/fail workflows.
Semrush Technical SEO Checklist — Practical checklist coverage of crawl, index, and technical setup checks.

Reviewed by Lucía Marín, Founding editor.