The 7 Best SEO Audit Tools to Analyze Your SEO in 2021

Best SEO Audit Tools for Website Analysis

Are you experiencing low traffic despite many high quality content on the site? 

If so, there may be some issues with your website optimization and SEO. Run a proper SEO audit to make sure that your pages are search engine and user-friendly.

There are many reasons like slow speed, keyword stuffing, crawling issues, etc that may affect your search presence and traffic. An SEO audit tool can help you finding mistakes easily. It will scan your site at regular intervals and list optimization issues with instructions to fix them. This is the way to improve your page authority and keyword rankings. 

Today, I pick 7 best SEO audit tools for website analysis in this post. Some of them are free and allow you to analyze websites without any investment. 

Disclosure: Your support helps keep the site running! We earn a referral fee for some of the services we recommend on this page (at no extra cost to you).

SEO-audit-SEMrush

Semrush is a great tool for technical SEO audit. It will scan all your pages against performance, crawlability, Schema markup, Core Web Vitals, and internal linking. Analyze mistakes and solve them to boost your website SEO. 

Their Site Audit tool can detect the following issues,

  • Broken links and images
  • Pages with error codes
  • AMP related
  • Duplicate title tags, content, and meta descriptions
  • Pages that cannot be crawled
  • Robot.txt format errors
  • Non-secure pages
  • Mixed content
  • Redirections
  • Sitemap.xml format errors
  • Pages without canonical tags
  • Slow speed pages
  • More

The results appear with step by step instructions to fix them. So it will be easier to optimize relevant pages or links. Read How to Conduct a Technical SEO Site Audit with Semrush

Semrush is an all-in-one SEO tool for web publishers to discover profitable content ideas and develop them to rank higher in search engine result pages (SERPs). It is suitable for all business types to analyze competitor's strategies and apply them to your path to dominate the market. 

Visit Semrush (14-days free trial)

2. Serpstat

Serpstat_Site_Audit

Serpstat is another popular SEO site audit tool on the web. It checks for common SEO issues that may deterior to search performance and traffic. 

Their website audit tool can detect the follwing issues,

  • HTTP status code
  • Redirections
  • Page speed
  • Schema markup
  • Meta tags and headings
  • Missing or no meta description
  • Image alt attributes
  • Internal or external ink attributes
  • Duplicate titles and description
  • Page and image size
  • Canonical URL
  • Broken images
  • HTTPS

It lists mistakes with priority levels and how long they exist on your site. Fix them as soon as possible to boost your visibility score. 

Serpstat is packed with many exciting tools like website analysis, keyword research, position tracking, and others. It is reliable and gives you a detailed idea about niche opportunities and daily traffic. 

Visit Serpstat (5-days free trial)

3. Rank Math SEO

Rank Math SEO

Rank Math SEO is a free SEO audit tool for WordPress. It runs basic SEO analysis on sites and suggest edits to enhance your content visibility. 

Their SEO Analyzer covers the following optimization errors,

  • SEO heading, description, and keywords
  • Image alt attributes
  • Search engine accessibility
  • Pages having no focus keywords
  • Post titles without focus keywords
  • Schema markup
  • Search previews
  • Minification
  • Image headers expiry
  • Page size
  • Server response time
  • Theme and plugin visibility
  • Google safe browsing
  • HTTPS

Anyone can manage these things with a basic WordPress knowledge. Contact Rank Math Support for more clarifications. 

Rank Math SEO is the #1 WordPress SEO plugin. It allows you to optimize content and monitor traffic through Google Analytics integration without leaving the dashboard. Position tracking is another advantage of the plugin. It displays your individual content performance and ranking keywords with historical variations for up to 6 months. 

Visit Rank Math SEO

4. SE Ranking

SE Ranking audit

SE Ranking is an admirable choice for website SEO audit. It analyzes your site and display results with Core Web Vitals, domain and ranking metrics, indexation, and other statistics. 

Their Website Audit tool covers the following issues,

  • Website security
  • Crawling
  • Title, description, and content
  • Images
  • Redirections
  • Broken links
  • Meta robots tag
  • Link attributes
  • Website speed
  • Robots.txt
  • XML Sitemaps
  • Canonical URL
  • JS and CSS

Similar to other SEO page audit tools, SE Ranking categorizes issues in multiple sections. It helps you to locate tasks that require your immediate attention in an instant moment. 

SE Ranking works best for website analytics, competitive research, and backlink monitoring also. Position tracking is another advantage of the tool. Add target keywords to tarck their ranking positions with daily updates. 

Visit SE Ranking

5. Ahrefs

ahrefs audit

Ahrefs is a reputed name in keyword research, traffic analytics, and free SEO audit. It lets you figure out the exact reasons for low organic traffic and lost rankings.  

Their SEO audit report lists issues including,

  • Indexability
  • Redirections
  • Orphan pages
  • Pages with only one dofollow internal link
  • H1 tags, titles, and decriptions
  • Missing or incomplete social tags
  • Slow loading pages
  • Broken images
  • Image alt attributes
  • JSS and CSS

Open issues one by one to view affected URLs and historical data. Apply fixes to remove warnings and boost your website SEO. 

Ahrefs is free for your own domains. But you should upgrade to a premium subscription for competitor analysis and extend limitations.

Visit Ahrefs

6. Ubersuggest

Ubersuggest seo audit

Ubersuggest is another free SEO audit software. It scans your site and content for critical optimization errors that may deterior search engine rankings. 

Their audit can detect these kind of issues,

  • Title, description, and content
  • Crawling 
  • HTTPs
  • Website speed
  • Sitemap.xml
  • Robot.txt

Ubersuggest comes with keyword research, backlink analysis, competitor research, and rank tracking abilities. It is free with limitations. 

Visit Ubersuggest

7. Bing Site Scan

Bing site audit

Bing Webmaster Tools is another place to run a free website audit. It will analyze your site for missing meta description, HTTP errors, and other common SEO errors. 

Their Site Scan can find out the issues relating to,

  • Title and H1 tags
  • Broken redirects
  • Image alt attributes
  • Too short, Too long, or missing meta description
  • Crawling
  • Meta robot tags
  • HTML size

The results appear with instructions to fix things. Follow them to improve your SEO health and organic search visibility. 

Read How to Generate Unlimited Blog Post Ideas for Your Site