9 Best SEO Audit Tools to Improve Website Optimization

seo audit tools

9 Best SEO Audit Tools to Improve Website Optimization

An SEO audit is the first step many professional SEOs take to learn about site health, content, keyword rankings, and more. Auditing is one of the most important SEO practices to analyze a website’s compatibility with search engines

SEO audit tools have various uses; they can be used to analyze and improve upon your site’s content, to assess URL structure, and more. These tools offer recommendations on how to improve your site so that it ranks better in Google’s search results.

Top 9 SEO Auditing Tools 

We’ve done the research and found the best tools for SEO auditing and analysis. These auditing tools are great for professional SEO agencies as well as anyone looking to improve their website.

These are the Best SEO Audit Tools: 

        1. RavenTools
        2. Surfer SEO
        3. SpyFu
        4. SEMRush
        5. Page Optimizer Pro 
        6. WooRank
        7. Cora SEO
        8. Screaming Frog
        9. AhRefs





RavenTools is a comprehensive SEO tool. This software can run a full site audit, identifying any on or off-page issues with your website and labelling them based on their priority level. This tool automates full marketing reports, offering white label and branded reports for agencies with clients. Their reports include web analytics, PPC, SEO, email, call tracking, social media, and more.

RavenTools’ website auditor can identify site issues and improve the visibility of your website. Find page errors, redirects, robots.txt files, malware, and more. RavenTools has audits for visibility issues, meta issues, content issues, link issues, image issues, and semantic issues, each with its own host of metrics to consider. It is a robust auditor. 

Aside from the website auditing tool, RavenTools also includes competitor domain research, a SERP tracker, keyword tracking and research, backlink checker, link spy, and a social media tool. This comprehensive tool is relatively inexpensive considering all of the features offered. 


  • Comprehensive website auditor
  • Six audit categories, each with different analyses
  • Customizable marketing reports
  • Competitor domain research
  • SERP rank tracker
  • Keyword research and tracking
  • Backlink Checker
  • Link spy tool
  • Audit scheduling



  • One of the most comprehensive audits for on and off page
  • Breaks down audits by category 
  • Competitive analysis tools 
  • SERP and rank tracking 



  • Lacks some SEO domain metrics
  • No historical ranking data



RavenTools is an impressive platform for auditing. The other features are useful as well, but their audit tool is one of the most comprehensive and gives actionable insights. 



Surfer SEO

surfer seo

Surfer SEO is not used for a full website audit, but rather for auditing individual pages for SEO rankings. This intuitive tool is incredibly easy to use, breaking down recommendations for page edits one by one. Surfer SEO is great for editing your on-page content using a data-driven analysis to make changes to improve rankings.

Surfer SEO compares your page to the top ranking pages in the SERPs for the keyword you’re targeting. Compare your website pages to others to learn what changes you can make to outrank them. Surfer looks at various factors like keywords and keyword density, headers, image elements, LSI, NLP, page speed, backlinks, and more.

By comparing your website pages to the top performing pages, Surfer SEO helps audit individual pages for search engines. It also features content research tools, a SERP analyzer, and a content editor where it will offer SEO tips as you create the content for your site


  • SERP analyzer
  • Competitive analysis
  • Backlink reports and recommendations
  • NLP analysis and recommendations
  • Keyword density analysis
  • LSI recommendations 
  • Location based recommendations
  • Content editor
  • Free Keyword Surfer extension



  • Complete on-page SEO audit
  • Offers easy recommendations 
  • Intuitive dashboard and reporting
  • Great for optimizing individual pages



  • Does not function as a complete site auditor
  • Less off-page analysis than other tools



Surfer SEO is an amazing tool for auditing individual pages on your website. If you want to better optimize your blogs or landing pages, this is an affordable and effective tool for auditing.





SpyFu is another great SEO auditor that’s affordable and easy to use. This tool helps you spy on competitors, offering historical data like rankings, paid search info, keywords, ad variations, and more. It is great for competitive research from an SEO perspective, for ads, and for keywords. It can also be used to audit your SEO performance. 

SpyFu has a wide range of tools, some of which can be used for auditing your website’s performance. Use SpyFu for competitive analysis, keyword research, backlink audits, domain comparisons, rank tracking, and more. Their tools are broken down by category, with options for SEO, PPC, keywords, and more.

One of the best auditing options on SpyFu is the SEO reports, which offer an in-depth analysis of your website’s SEO. Build a custom report with the metrics most important to your website. The SERP checker is another useful tool for auditing single pages to rank for their target keywords.


  • SEO research
  • PPC research
  • Keyword research
  • Competitive analysis
  • Backlink audit
  • Domain comparison
  • SEO reporting
  • SERP checker
  • Rank tracking
  • Domain analytics



  • Plenty of tools for SEO, PPC, and more
  • Access historical SEO data 
  • In-depth SEO report



  • No dedicated site auditing tool



SpyFu is a useful SEO tool. While it may not be the best site auditor, it has plenty of useful features that can shed light onto your site’s performance and how to improve it. 





SEMRush is one of the most comprehensive SEO tools out there, and it can be used for a quick and easy technical audit of your websites. This tool has a wide host of features, including organic keyword research, competitor analysis, backlink audits, traffic analytics, and more. 

SEMRush has a dedicated Site Audit tool, which runs a technical SEO audit for overall site health and more. This tool looks at factors like crawlability, HTTPS errors, linking, AMP issues, and more. It looks at over 130 technical and SEO mistakes and offers recommendations to improve your search rankings.

There are also a few different tools that can be used to audit your site for SEO on SEMRush. Their backlink gap tool can tell you what backlinks competitors have that your site is missing. A domain vs. domain tool directly compares two websites, finding keyword gaps and other data. SEMRush has a huge range of functions, so it’s a great pick for auditing your website.


  • Site Audit tool assesses over 130 factors 
  • Crawlability assessment
  • HTTPS check
  • Backlink audits
  • Competitive analysis
  • Domain vs. domain audit
  • Internal linking analysis
  • Traffic analytics
  • Keyword research and keyword gap analysis
  • Content analyzer



  • Comprehensive technical SEO audit
  • Lots of other specific auditing tools 
  • Content analyzer to measure on-page SEO 
  • Wide range of tools



  • Expensive
  • Complex for beginners



SEMRush is one of the best SEO tools for auditing and more, and most professional SEOs use this tool. If you’re new to SEO, however, the large number of features and data may be overwhelming. Give this tool a try and receive a 14 day free trial at the link below.



Page Optimizer Pro

page optimizer pro

Page Optimizer Pro is a great on page optimization tool. It compares your page to your competitors, looking at a wide range of metrics to improve your rankings. Also called POP, Page Optimizer Pro offers a low-cost solution for auditing your web pages.

POP looks at how well your page is optimized for your target keyword, assessing each minute factor of the page. It looks at factors like keywords, headers, bullets and lists, images, bold and italics, alt text and meta tags, and more. POP gives direct and actionable recommendations to improve your pages’ rankings.

Page Optimizer Pro is easy to use and affordable. Their new Chrome extension improves local rankings by targeting your location. Their latest update also includes editing and recommendations in Google Docs, so you can optimize your page before publishing it. 


  • On-page analysis
  • SEO recommendations 
  • Chrome extension for local SEO 
  • LSI recommendations
  • SERP analysis
  • Schema recommendations



  • Good on-page auditor 
  • Useful keyword recommendations 
  • Affordable



  • Dashboard is not as intuitively designed
  • Not a full site auditor



POP is a good choice that many SEOs use for on-page analysis. It won’t audit your full site, but ti can be useful for page insights.



Cora SEO 

cora seo

Cora SEO from SEO Tool Lab is a great tool for a deep audit of your website’s SEO performance. This diagnostic tool looks at 2040 ranking factors and offers direct recommendations based on its findings. 

Cora automatically adapts to Google updates, so when there is a change in the algorithm it realigns its software. Other tools use the same formulas, while Cora’s is based on a direct, mathematical analysis of Google SERPs. This helps to learn what factors are actually most important for Google rankings based on real results. 

Cora includes two additional tools, Cora Diff and Cora Trends. Cora Diff assesses the difference in your rankings after a Google update, so you can see what rankings changed and learn how to adjust your pages. Cora Trends helps you identify the factors that a collection of keywords has in common to help fine tune a large number of related pages. 


  • SEO Road Map assesses over 2000 ranking factors
  • Offers recommendations to improve rankings
  • Updates with Google algorithm changes
  • Cora Diff tool
  • Cora Trends tool
  • Keyword Density report
  • LSI report
  • Content report



  • In-depth audit
  • Adapts with Google algorithm changes
  • Helps track changes in rankings after algorithm update



  • Not the most intuitive dashboard 



If you’re trying to learn why your site got hurt by an algorithm update, this auditing tool is a great pick. Cora looks closely at the most factors, offering an in-depth audit. 





WooRank is a full SEO site checker and auditing tool. It can give your website an SEO score out of 100 to see how it performs overall, looking at SEO, social media, usability, and more. This full website analysis tool can create branded reports for your website, so you can share data with clients or with your executive team.

WooRank also offers a competitive analysis, comparing your website to competitors side by side and seeing what keywords you may be missing out on. Their keyword tool allows you to track your keywords and rankings, including local positions. 

WooRank’s Site Crawl tool takes a comprehensive look at your website, looking for technical and SEO health issues that the untrained eye may not notice. Find and fix site issues like HTTP errors, indexing errors, duplicate content, and more. 


  • Site crawl for SEO errors
  • SEO monitor tool
  • Monitor website health and uptime
  • Keyword tracking tool
  • Competitor analysis
  • Sales tools
  • WooRank SEO analysis extension
  • WooRank Projects – website project tracking 



  • In-depth site analysis
  • Keyword competitor analysis
  • SIte crawl for off-page errors 



  • Learning curve for SEO beginners
  • Only one user access unless you pick the Enterprise plan



WooRank is one of the best tools for site audits and SEO. It has a comprehensive site crawler as well as other useful tools for page analysis.



Screaming Frog 

screaming frog

Screaming Frog is a great audit tool, used by digital marketing professionals everywhere. This SEO spider crawls your website to detect technical issues, content issues, and more. Screaming Frog extracts data and searches for common SEO issues, including page load speed, anchor text data, technical SEO issues, and more.

Screaming Frog can detect errors like broken links, redirects, page titles and meta data, robots tags, XML sitemap issues, and more. This tool provides a visual site architecture, so you can better interpret your site’s internal linking structure. It integrates with Google analytics, Google search console, and Google PageSpeed insights. 

Screaming Frog offers a free version with up to 500 URL crawls, but it lacks some of the best features of the premium version. With the premium version, you get tools like custom code search, spelling and grammar checks, AMP crawling, JavaScript rendering, and much more.


  • SEO Spider 
  • Redirect audit
  • Broken link analysis
  • Meta data audit
  • XPath data extraction
  • Review robots and directives
  • Generate XML sitemaps
  • Google search integrations
  • Visualize site architecture 



  • In-depth technical audit
  • Visual site architecture tool 
  • Google integrations 
  • Full site crawl for small and large websites



  • Free version lacks most features 



Screaming Frog is one of the most comprehensive SEO audit tools, especially for a technical audit. It’s also affordable and fairly easy to use if you have some website analysis experience.





AhRefs is one of the most comprehensive SEO tools, used by both individuals and major digital marketing experts. AhRefs also works as an audit tool for on-page and off-page SEO. This SEO checker can help improve your website’s Google search performance, detecting everything from broken links to technical issues, meta descriptions, and more.

AhRefs performs a solid SEO audit for those serious about search engine optimization. With this tool, you can increase page speed, organic traffic, perform a full website analysis, and use structured data to improve your site. The site audit tool provides on page SEO tips, rankings similar to Google analytics, and a backlink analysis to inform your link building campaigns. 

AhRefs is one of the most advanced digital marketing tools to improve search results for your website. It provides more data points than free tools like Google search console, and checks for 100s of technical issues. Aside from the site audit tool, it features tools like a site explorer, keywords explorer, rank tracker, and content explorer. 


  • Site auditing tool
  • Exhaustive web analysis
  • SEO checker
  • Rank tracker
  • Link building analysis
  • Site explorer
  • Keyword explorer
  • Content explorer



  • In-depth site audit
  • Comprehensive metrics and tools
  • Competitor analysis
  • Actionable insights 


  • Complicated for beginners
  • Expensive



AhRefs is one of the top SEO auditing tools, but it may not be for beginners. Both the price and the complexity of features can be difficult for those without SEO experience.



Final Thoughts

Use these SEO audit tools to analyze and improve upon your website’s performance. SEO is an ever changing practice, and auditing can help you keep your pages ranking well and improve traffic on poorly performing pages. Check out our favorite auditing tools from this list or let us know your favorites in the comments!

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