Practical Guide: How to Conduct an SEO Audit

An SEO audit is a critical process for improving your website's visibility on platforms like Google. This in-depth analysis carefully examines your site, reviewing its performance, content, structure, links, technical aspects, and user experience. The goal of an SEO audit is to identify your digital strengths and weaknesses, uncover improvement opportunities, and formulate strategic recommendations.

Wondering how to conduct an effective SEO audit tailored to your needs? Which tools and methods to prioritize? What key steps to follow? We'll answer all these questions in this 2026 practical guide, designed to give you all the tips you need to carry out a successful SEO audit and grow your organic traffic.

‍

Understanding the Concept of an SEO Audit

‍

What is an SEO audit?

An SEO audit is a comprehensive evaluation of a website, focused on how it ranks in search engine results such as Google. It verifies that your site follows best practices to optimize its organic search visibility (SEO), which drives greater visibility and qualified traffic without relying on paid advertising.

This analysis is essential for identifying the strengths and weaknesses of your site, as well as highlighting areas for improvement and strategies to adopt. An SEO audit covers various aspects of your website, including:

Performance: page load speed, image file sizes, etc.
HTML tags: title, description, headers, etc.
Content: quality, relevance, uniqueness, and checking for potential duplicate content.
Structure: site architecture, ease of navigation, internal linking, etc.
Links: backlinks, outbound links, internal links, and identifying broken links.
Technical aspects: source code, use of HTTPS, robots.txt file, sitemap, etc.
User experience: design, usability, and mobile compatibility.

The audit provides a comprehensive and detailed diagnosis of your site's health, as well as a personalized action plan to boost its performance, appeal to users, and alignment with search engine criteria.

‍

Preparing for the SEO Audit

Setting audit objectives

First and foremost, it's essential to define the goals of the SEO audit for your website. What are the target keywords? Which competitors do you want to outperform? Which performance metrics are you looking to improve? And what specific issues are you trying to solve?

By setting clear and measurable objectives, you can focus your audit on the most significant challenges and track the progress you make. This also helps prioritize actions based on their potential impact and feasibility.

‍

Choosing SEO audit tools

Running a thorough SEO audit requires using several analytics tools for your website. Among the wide range of available tools, some are particularly well-regarded for their effectiveness:

Semrush: this tool, available for free, lets you examine your site and identify more than 100 types of SEO issues, including crawl errors, performance problems, HTML tags, content, backlinks, technical factors, and user experience.
Google Search Console (GSC): provided by Google at no cost, this essential tool lets you monitor your site's presence in the search engine, control indexation, submit your sitemap, evaluate your organic traffic, detect potential manual penalties, and fix common issues.
Google Analytics: also free, Google Analytics provides valuable data on visitor behavior, helping you understand your conversions, discover your traffic sources, segment your audiences, and optimize your website based on collected insights.

These tools are fundamental for conducting a quality SEO audit. Depending on your specific needs, they can be supplemented by other solutions such as Screaming Frog, SEMrush, Moz, and others.

‍

Key Steps of the SEO Audit

An SEO audit is a crucial step for optimizing your website and improving its ranking in search engines. Follow these key steps for a detailed and effective audit:

‍

Checking for indexation issues

Search engine indexation is the first step toward making your pages visible online. Use tools like Google Search Console and Semrush to compare the number of indexed pages against the total number of pages on your site. Discrepancies may point to issues such as:

Crawl errors: search engines cannot access certain pages.
Blocking directives: robots.txt files or the meta robots tag are preventing indexation.
Sitemap issues: an incorrect sitemap can disrupt page discovery by crawlers.

Identify and resolve these issues for optimal indexation and to maintain quality organic traffic.

‍

Analyzing duplicate versions of the site

Duplicate content can seriously hurt your SEO, creating very similar pages under different URLs. To address this:

Determine a canonical version of your website to prioritize.
Redirect other versions to this canonical version.
Use the link rel="canonical" tag to indicate the main version to search engines.

Semrush can help you detect and fix duplicate versions of your site.

‍

Checking for manual actions

Manual actions are Google penalties applied for non-compliance with its guidelines. They can result from:

Link spam: creating artificial links to boost your site's authority.
Content spam: publishing low-quality or over-optimized content.
Cloaking: showing different content to users and search engines.
Sneaky redirects: redirecting users to an unexpected page.

Check Google Search Console to see if your site has been affected and fix the issues to request that the penalty be lifted.

‍

Checking mobile usability

Mobile compatibility is essential, given that Google prioritizes mobile-first indexing. Use Google's Mobile-Friendly Test and Google Search Console to identify and fix mobile usability issues on your site. Make sure that:

Your site's design is responsive.
Font sizes allow for easy reading.
Mobile-incompatible elements, such as Flash, are removed.
Links and buttons are spaced for easy navigation.

Good mobile usability is essential for ensuring an optimal user experience across all devices.

‍

Evaluating site speed

Site speed is critical for SEO, as Google prioritizes fast-loading pages for a better user experience. A slow website can negatively impact your rankings, traffic, and conversion rate. Use Google's PageSpeed Insights tool to get a performance score for both the mobile and desktop versions of your site, along with recommendations for improving speed. In particular, check that:

Compression is enabled to reduce file sizes.
Caching is used to store and reuse static resources.
Lazy loading is implemented for non-essential resources.
Images are optimized in terms of size and format.
Scripts and stylesheets are minified to remove unnecessary characters.

Also consider Semrush for a detailed performance report, including load time and page weight.

‍

Reviewing internal links

Internal links are essential for SEO as they improve navigation and help distribute link equity. They should be carefully structured to reflect the site's hierarchy and reinforce keyword relevance. Using Semrush, assess the quality and distribution of your internal links by ensuring you:

Keep links relevant to the user.
Optimize anchor text with strategic keywords.
Maintain a logical structure in links.
Check link integrity, avoiding broken links.
Balance the number of links, neither too many nor too few.

Don't forget to optimize your internal linking structure to consolidate the authority of key pages and improve the indexation of secondary pages.

‍

Analyzing organic traffic

Organic traffic reflects the relevance and popularity of your site. Using Google Analytics, monitor aspects such as traffic growth, source diversity, and alignment with your goals, including bounce rate or conversion rate. Make sure that:

Organic traffic shows a positive or stable trend over time.
It comes from different geographies, devices, or channels.
It meets your performance objectives on the site.
It is well distributed across all pages of the site.

Also identify opportunities to grow your organic traffic, such as targeting additional keywords or improving specific pages.

‍

Comparing with competitors

Comparing your site to competitors gives you insight into your positioning and competitive advantages. Use Semrush to analyze external links, meaning links from other sites pointing to yours. Make sure that:

Your site has a number of external links comparable to or greater than those of competitors.
Your link profile includes a diverse range of referring domains.
External links are well distributed throughout the site.
Links come from varied, quality sources.

Explore link-building opportunities, such as targeting sites that link to your competitors but not to you.

‍

Identifying missing keywords

The presence and relevance of keywords are fundamental for appearing in search results. With Semrush, you can identify the keywords you're already using and those you could add. Make sure that:

You're targeting the right keywords, with a solid search volume.
Your target keywords have an achievable ranking difficulty.
The traffic potential is strong for your targeted keywords.

Look at the keywords your competitors are using and those that match specific purchase or search intent to effectively reach your audience.

‍

Finding missed backlink opportunities

Backlinks, or inbound links, are essential for an effective SEO strategy. They signal to search engines that your website is both popular and trustworthy. To find missed opportunities to earn these valuable backlinks, the Semrush tool can be a great help. It lets you discover where your competitors have links that you could also capitalize on. Check that:

High-authority sites trust your competitors, boosting their credibility.
Sites relevant to your field of activity link to your competitors.
Sites generating a significant volume of traffic are sources of backlinks for your rivals.
Competitors benefit from links with optimized anchor text, incorporating keywords that improve their ranking for targeted terms.

Don't forget to look into backlink creation opportunities like content contribution, commenting, testimonials, interviews, and partnerships.

‍

Auditing and improving key pages

Your key pages play a critical role in your online visibility, attracting the most traffic and contributing significantly to conversions. With the Semrush tool, you can analyze the ranking, traffic, and inbound links of these key pages. Make sure that:

They rank at the very top for targeted keywords.
They attract significant and targeted organic traffic.
They benefit from a high number of quality backlinks.
Their content is optimized and directly addresses user needs.

Also explore ways to optimize these pages by adding relevant keywords, improving HTML markup, adding compelling images, and creating strategic internal links.

‍

Monitoring SEO rankings

Managing your SEO requires continuously monitoring your rankings for the keywords you're targeting. Effective monitoring is a barometer of your SEO strategy's performance. Use Semrush to get precise data on the positioning, search volume, and difficulty of your keywords. Pay close attention to:

Presence in the top 10 search results, corresponding to the first page.
A positive trend in your keyword rankings.
High search volume, indicating strong traffic potential.
A correlation between keywords and purchase intent for increased conversions.

Also identify what could be improved to gain rankings, particularly for keywords that have dropped, highly competitive ones, or those with low search volume.

‍

Next Steps After the SEO Audit

After conducting a comprehensive SEO audit, you have a clear picture of your website's current performance and the areas that need improvement. This is just the beginning. It's time to take action to improve your organic search visibility. Follow these important steps:

‍

Defining corrective actions

Start by determining the corrective measures to take in response to the issues uncovered during the audit. These actions may include:

Resolving technical issues such as indexation problems, duplicate content, redirects, and more.
Optimizing your content by writing better HTML tags, enriching text, adding images, and more.
Improving your site structure, such as refining the architecture, designing internal link networks, or adding breadcrumb navigation.
Building the popularity of your site through inbound links, social media visibility, listings in quality directories, and more.
Enhancing user experience, including mobile optimization, faster load times, and design updates.

It's essential to choose performance metrics, such as search engine rankings, web traffic, or conversion rate, to measure the impact of these actions.

‍

Prioritizing corrective actions

The next step is to prioritize these corrective actions. Since it's not possible to tackle them all at once, rank them by urgency and potential impact. Use, for example, the Eisenhower Matrix to categorize actions:

Actions that are both important and urgent, which should be handled first.
Actions that are important but less urgent should be scheduled in your plan.
Actions that are urgent but less critical, to delegate if possible.
Actions that are neither important nor urgent, to eliminate or defer.

Take into account your resources, such as time, budget, and skills, to effectively deploy these corrective measures.

‍

Strategy for implementing corrective actions

Finally, develop a concrete strategy for implementing the actions you've chosen. This involves:

Assigning clear responsibilities to each team member (webmaster, copywriter, developer, etc.).
Setting realistic implementation timelines that account for potential obstacles.
Choosing the right tools and methodologies for each task (software, platforms, manuals, etc.).
Planning a tracking and control system for each action, through progress reports, team meetings, and regular testing.

Regular communication with all stakeholders is crucial. Keep them informed on project progress and solicit their feedback to ensure actions remain aligned with overall objectives.

‍

Conclusion

Now that you have all the essential information, successfully conducting an SEO audit is within your reach through a few key steps. You're now equipped to prepare, execute, and implement your SEO audits, with the right tools and proven methods in hand. Better yet, you can precisely measure the impact of your audits on your site's visibility, traffic, and conversion rate.

Essential for optimizing your online presence, an SEO audit is the cornerstone that helps you identify weaknesses, opportunities, and strategies to improve your organic search visibility. It gives you the advantage of benchmarking your performance against competitors and aligning your site with the expectations of search engines and users.

Don't wait: dive into your website's SEO audit today and take your online performance to new heights!

‍

Want expert support for your digital marketing strategy? Don't hesitate to reach out!

‍

FAQs

Q: What is an SEO audit?

A: An SEO audit is an in-depth analysis of a website, aimed at optimizing its organic search visibility in search engines. This process is critical for identifying technical issues, spotting content opportunities, and developing link strategies to improve online visibility.

‍

Q: How do you run a technical SEO audit?

A: To run a technical SEO audit, it's important to examine several aspects that directly impact your site's organic search visibility. The process involves several key steps:

Indexation: Make sure your site is properly indexed by search engines and is free of crawl issues, duplicate content, broken links, unnecessary redirects, and check the configuration of meta tags, the sitemap, and the robots.txt file. Tools such as Semrush or Google Search Console can help detect these issues.
Performance and usability: Evaluate your site's load speed, mobile adaptability, architecture, user experience, structured data, internationalization, and accessibility. Use tools like Google PageSpeed Insights, Google Mobile-Friendly Test, or Google Lighthouse to get precise measurements on these aspects.

‍

Q: What are the 4 essential steps of SEO?

A: An effective SEO strategy involves four essential steps:

Research and prioritize a list of strategic keywords related to your target audience.
Optimize the content, tags, and metadata of your website, incorporating keywords in a relevant way.
Build and maintain quality links pointing to your site from other reputable and authoritative web platforms.
Rigorously apply SEO best practices and regularly measure the effectiveness of your strategic actions.

‍

Q: Why run a technical SEO audit?

A: Running a technical SEO audit is essential for detecting and fixing issues that penalize your site's performance, indexation, and visibility in search engines. This process is vital for boosting your rankings, optimizing your organic search visibility, and successfully achieving your business objectives.