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Technical SEO Audits: A Step-by-Step Guide to Website Health

By Jordan Martin-Smith | 7th May 2023 • 4 min read

The technical side untangled

In the world of SEO (Search Engine Optimistion), technical SEO audits stand as the foundation of a healthy and high-performing website. They help you uncover critical issues that may be hindering your site's visibility and performance on search engines like Google.

Whether you're a website owner, a digital marketer, or an SEO enthusiast, mastering the art of technical SEO audits is crucial for ensuring your site ranks well and provides an exceptional user experience.

In this guide, we'll take you through the process of conducting a technical SEO audit step by step, helping you identify and resolve issues to enhance your website's health.

What is a Technical SEO Audit?

A technical SEO audit is a comprehensive examination of your website's technical elements and infrastructure. It aims to uncover issues that might impede search engine crawlability, indexation, and overall performance. By addressing these issues, you can improve your website's visibility and provide a better user experience.

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Step-by-Step Guide to Conducting a Technical SEO Audit

1. Crawl Accessibility

a. Robots.txt File

  • What to Check: Ensure that your robots.txt file is correctly configured. It should allow search engine bots to access important parts of your website, while blocking irrelevant or sensitive areas.
  • How to Check: Examine your robots.txt file located at Verify that it does not unintentionally block essential pages.

b. XML Sitemap

  • What to Check: Confirm that your XML sitemap is up to date and accessible to search engines. The sitemap should include all critical pages.
  • How to Check: Locate your XML sitemap at and verify that it is current and complete.

2. Website Speed and Performance

a. Page Loading Speed

  • What to Check: Page loading speed is a vital factor in user experience and SEO. Assess the loading speed of your web pages.
  • How to Check: Use tools like Google PageSpeed Insights or GTmetrix to analyse the loading speed of your pages. Identify issues and take steps to optimise loading times.

3. Mobile Responsiveness

a. Mobile-Friendly Design

  • What to Check: Given the growing number of mobile users, it's essential that your site is mobile-friendly. Ensure that your site's design and content display correctly on mobile devices.
  • How to Check: Use Google's Mobile-Friendly Test to check if your site passes Google's mobile-friendly criteria.

4. On-Page SEO Elements

a. Title Tags and Meta Descriptions

  • What to Check: Review title tags and meta descriptions on your pages. They should be unique, relevant, and within recommended character limits.
  • How to Check: Inspect individual pages and ensure that title tags and meta descriptions are well-optimised.

b. Header Tags

  • What to Check: Check for proper use of header tags (H1, H2, H3, etc.) in your content. Header tags should provide a clear hierarchy and structure to your content.
  • How to Check: Review your HTML code and content to ensure header tags are used appropriately.

5. Content Quality

a. Duplicate Content

  • What to Check: Duplicate content can harm your SEO. Identify and rectify any duplicate content issues on your site.
  • How to Check: Use tools like Copyscape or SEO crawlers to find duplicate content across your website.

6. Internal Link Structure

a. Broken Links

  • What to Check: Broken links can harm user experience and SEO. Identify and fix any broken internal links.
  • How to Check: Use tools like Screaming Frog or online broken link checkers to find and repair broken links.

b. Anchor Text

  • What to Check: Ensure that anchor text is descriptive and relevant for internal links. This helps search engines understand the content the link is pointing to.
  • How to Check: Review your internal links and update anchor text where necessary.

7. URL Structure

a. URL Optimisation

  • What to Check: URL structure should be clear and descriptive. Avoid long, complex URLs.
  • How to Check: Inspect your URLs and ensure they are clean, concise, and contain relevant keywords.

8. Site Security

a. SSL Certificate

  • What to Check: Ensure that your site has an SSL certificate in place. This provides a secure browsing experience and is essential for SEO.
  • How to Check: Look for the padlock icon in your browser's address bar. Check if your URL starts with "https."

9. Canonicalisation

a. Canonical Tags

  • What to Check: Canonical tags help search engines understand the preferred version of a page when duplicate content exists. Verify that canonical tags are correctly implemented.
  • How to Check: Inspect the source code and ensure canonical tags are in place and point to the appropriate page.

10. Structured Data and Schema Markup

a. Schema Markup

  • What to Check: Implementing schema markup can enhance your search engine listings with rich snippets. Confirm that structured data is correctly applied.
  • How to Check: Use Google's Structured Data Testing Tool to validate schema markup on your site.

11. User Experience

a. Mobile UX

  • What to Check: Beyond mobile-friendliness, assess the overall mobile user experience, including navigation, readability, and touch-friendliness.
  • How to Check: Test your site on various mobile devices and gather feedback from mobile users to identify areas of improvement.

12. Analytics and Data

a. Traffic and User Behaviour

  • What to Check: Review website analytics to gain insights into user behaviour. Analyse metrics like traffic, bounce rate, and conversion rates.
  • How to Check: Use tools like Google Analytics to track user activity and assess your site's performance.

Regular Audits and Continuous Improvement

A one-time technical SEO audit is valuable, but it's equally crucial to conduct regular audits and continually improve your website's technical aspects. SEO is an ongoing process, and staying vigilant about your website's health is key to long-term success.


Technical SEO audits are the backbone of a healthy and high-performing website. By systematically examining and addressing various technical aspects, you can ensure that your website is accessible to search engines, user-friendly, and optimised for search results.

Incorporating the best practices outlined in this step-by-step guide will help you maintain the health of your website and improve its SEO performance. build and optimise websites specific to your needs and your business. Want to get serious about your website? Get in touch and talk to the team.

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