Everyone wants their website to rank on search engines and for potential customers to find them. However, if your website is not ranking the way you want it to, then there is probably something wrong. This is why you need an SEO audit conducted. There are plenty of free SEO audit tools out there to help you find the issues, opportunities, and improve your website's visibility.
Google Search Console
Google Search Console is one of the most popular SEO tools. It provides insights into how Google finds and displays your website in search. It offers reporting on everything you need that impacts Google ranking. Google Search Console offers insights into challenges that your website might be facing. From indexing errors, crawl issues, to mobile usability issues. These issues can be resolved before they affect your rankings. Apart from technical checks, Search Console provides performance data like clicks, impressions and average position. This allows you to see your website's overall performance, which pages are driving the most traffic, and which pages might need attention.
Key Features of Google Search Console
- Performance Reports (clicks, impressions, CTR)
- Index Coverage
- Mobile Usability
- Link Reports
Who Google Search Console is Best For: SEO specialists, site administrators and business owners.

Ahrefs Webmaster Tools
Ahrefs is another trusted platform in SEO. Also, its free Webmaster Tools version offers various features even without a paid plan. It helps you monitor your site’s overall SEO performance by highlighting broken links, technical problems, and keyword performance trends.
Key Features of Ahrefs Webmaster Tools
- Complete site audits to detect technical SEO challenges
- Backlink monitoring and analysis
- Insights into organic keyword rankings
- Basic checks for site security and loading speed
Who Ahrefs is Best For: Website owners who want a professional, reliable SEO audit tool at no cost.

SEMrush Site Audit (Free Plan)
SEO is incomplete without SEMrush. It is one of the most reliable tools in the SEO industry. SEMrush’s free version can provide substantial value & features. With the free plan, you can audit up to 100 pages on your site. The tool crawls your website, checks for technical errors, errors that you should be aware of and some suggestions for improvement; you will be guided in what to fix first! This helps you prioritize the fixes that are going to have the biggest impact on performance and rankings.
Key Features of SEMrush Site Audit
- Checks for on-page SEO improvements
- Crawlability issues
- All HTTPS setup and security checking
- Conducting site performance and speed checking
Who SEMrush is Best For: Website owners, bloggers or small businesses with a website of under 100 pages.

Ubersuggest (by Neil Patel)
Ubersuggest is a great tool for marketers, bloggers, and small businesses. It is powerful and beginner-friendly. Ubersuggest makes it easy to understand what’s working on your site and what needs improvement.
Key Features of Ubersuggest
- SEO Audit with Performance score
- SEO keyword ideas to incorporate into your content strategy
- Competitor Research to review the ranked performance of your domain
- Backlink insights for the abilities to backlink to in the future
Who Ubersuggest is Best For: New marketers and website owners looking for a beginner-friendly, easy-to-use, all-in-one tool for SEO.

Screaming Frog SEO Spider (Free Version)
If you are looking for more technical aspects of SEO, Screaming Frog is one of the best SEO audit tools. The free plan allows you to crawl 500 URLs, and also offers an overview of your site's structure, and shows you issues you should be concerned about with site performance. This tool helps you find broken links, metadata missing and in-depth information that can make the difference in your rankings.
Key Features of Screaming Frog SEO Spider
- Finds broken links on your website
- Check the accuracy of redirects
- Finds duplicate content
- Deeply analyzes page titles and meta descriptions
Who Screaming Frog SEO Spider Best For: Experienced users who seek valuable data analysis based SEO auditing tool.

Conlusion
Improving your website’s performance does have to be expensive. Each of these five free SEO audit tools including Google Search Console, Ahrefs Webmaster Tools, SEMrush Site Audit, Ubersuggest, and Screaming Frog offers valuable insights to help you uncover technical issues, improve content, and strengthen your overall SEO strategy, and rank better on search engines.