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SEO Auditing Tools

Compare tools for conducting SEO site audits

Moz

Backed by the largest community of SEOs on the planet, Moz builds tools that make SEO, inbound marketing, link building, and content marketing easy

PRICING

Account start from $99 per month

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Key Features

  • Find and learn how to fix common technical SEO issues
  • Monitor a wide range of site issues like broken redirects, missing title tags, and many more
  • Receive a list of prioratized issues in the order they need to be fixed

Great for

  • Moz Pro crawls large sites fast and keeps track of new and recurring issues over time
  • Charts show the breakdown of issue categories, new issues, and total issues; allowing you to easily discover trends, opportunities, and inform individuals on the site's overall SEO performance
  • Moz Pro automatically crawls weekly and alerts you to any new and critical issues so you can fix them before they cause major problems
  • Get access to other features like Keyword Research tools, Rank Tracking, Link Research and on-site optimization opportunities
  • Build and automate custom reports

Be aware that

  • The entry level account is limited to tracking 300 keywords
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7 day free trial available

SEMrush

SEMrush is a powerful and versatile competitive intelligence suite for online marketing, from SEO and PPC to social media and video advertising research

PRICING

Accounts start from $99.95 per month

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Key Features

  • Perform a comprehensive technical SEO audit at high speed
  • Prioritize SEO issues and decide what to fix first
  • Track SEO optimization progress

Great for

  • Find and fix common issues with the Site Audit feature from SEMrush
  • Understand what you need to fix first because all issues found are divided into three groups depending on their severity: errors, warnings, and notices
  • You can schedule a weekly technical SEO audit and the SEMrush Site Audit tool will automatically start crawling your website
  • Ensure the best user experience for any visitor from any country by finding and fixing hreflang mistakes
  • Ensure the security of your website with HTTPS checks
  • Detect all possible AMP implementation issues

Be aware that

  • The entry level account is limited to 5 site audit projects
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ContentKing

ContentKing keeps track of your website 24/7 so that you can catch unexpected changes and issues before search engines and visitors do

PRICING

Accounts start from $13.25 per month

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Key Features

  • Receive 24/7 real-time SEO auditing
  • Generate actionable insights and tasks to fix any potential issues
  • No need to download any software, ContentKing is 100% cloud based

Great for

  • The only SEO Auditing solution that can monitor your web properties 24/7
  • Receive instant alerts when there is an issue to fix on your site
  • Add your colleagues to your ContentKing account
  • Keep track of all changes that occur on your website so you can see exactly what happened and when
  • ContentKing will prioritize what issues need your attention first
  • Gain access to a Page Relevance metric which will tell you which pages on your site are more important than other pages
  • Calculate the health of every page on your website based on findability, social sharing, and conversion tracking

Be aware that

  • The entry level account is limited to sites with 100 pages or less
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OnCrawl

OnCrawl is a SEO crawler and log analyzer that helps you improve your SEO performance. Increase traffic, rankings & revenues

PRICING

Accounts start from €39 per month

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Key Features

  • Understand how search engines are crawling your website
  • Find any potential SEO issues with your site and get insights on how to fix them

Great for

  • Analyze your website like Google does and access comprehensive reports regarding content, HTML quality, architecture and performance
  • Combine your crawl and logs data to identify the positive and negative factors behind indexation and crawl frequency
  • Spot orphan pages without effort and access the right resources to know how to deal with them
  • Manage your crawl budget to drive Google’s bot to the right pages
  • Monitor your internal linking strategy with the Inrank tool and direct links to the right pages
  • Analyze your load time and weight distribution to improve your payload quality regarding bots and users

Be aware that

  • The entry level account is limited to 100,000 URLs to crawl per month
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Free Website Crawler

Screamingfrog SEO Spider

The Screaming Frog SEO Spider is a desktop program (PC or Mac) which crawls websites’ links, images, CSS, script and apps from an SEO perspective

PRICING

Free tier available. Paid accounts start from £149 per year

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Key Features

  • SEO Spider is a website crawler and highlights key onsite elements to analyse onsite SEO

Great for

  • Crawl a website instantly and find broken links (404s) and server errors
  • Analyse page titles and meta descriptions during a crawl and identify those that are too long, short, missing, or duplicated across your site
  • Quickly create XML Sitemaps and Image XML Sitemaps, with advanced configuration over URLs to include, last modified, priority and change frequency
  • Find temporary and permanent redirects, identify redirect chains and loops, or upload a list of URLs to audit in a site migration
  • Discover exact duplicate URLs with an md5 algorithmic check, partially duplicated elements such as page titles, descriptions or headings and find low content pages
  • Connect to the Google Analytics API and fetch user data, such as sessions or bounce rate and conversions, goals, transactions and revenue for landing pages against the crawl
  • View URLs blocked by robots.txt, meta robots or X-Robots-Tag directives such as ‘noindex’ or ‘nofollow’, as well as canonicals and rel=“next” and rel=“prev”

Be aware that

  • The free tier is limited to 500 URL crawls
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Browser extension

Checkbot

Checkbot is a browser extension that will boost the SEO, speed & security of your site by letting you test 1,000s of pages for problems with ease: check for broken links, duplicate content issues, invalid HTML/CSS/JavaScript, insecure password forms, redirect chains and 50+ other website issues

PRICING

Free tier available. Paid accounts start from $99.99 per year

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Key Features

  • Add Checkbot to your browser in seconds and start testing your site in a couple of clicks
  • Comprehensive tests that check you're following 50+ SEO, speed and security web best practices
  • Check as many websites as you want as often as you want including localhost sites
  • Detailed built-in help that explains the issues found and how to fix them

Great for

  • Track down problems with ease. Use convenient shortcuts to find incoming links to a page, show response headers, view page source code and examine redirect chains
  • Get an overview of your site structure. Show your most linked to pages, list all image/JS/CSS files, review non-indexable pages, explore all redirects and more
  • Bulk export lists of URLs with problems to CSV format so you can share the data with team members, create custom reports and perform your own further analysis
  • Not an expert on web best practices? Not a problem. Checkbot's comprehensive built-in help will teach you what you need to do and why it's important
  • Configure crawls to focus on the parts of your site you're interested in checking. Limit the URLs crawled by subdomain, subfolder, search depth, pattern and URL type
  • Think you've fixed a page that had an issue? Quickly verify your fix by immediately recrawling only that page for fast feedback without having to crawl the entire site again

Be aware that

  • Paid tier accounts are limited to 1 user per account

SCREENSHOTS

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Siteimprove

One tool for improving your website through SEO, website analytics, accessibility, GDPR, and overall content quality. Siteimprove automatically checks your website and provides a thorough overview, prioritized list of website optimization tasks, and expert recommendations

PRICING

Contact Siteimprove for a quote

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Key Features

  • Run fully automated website checks
  • Review your entire website performance, including SEO
  • View performance on your dashboard or receive automated reports

Great for

  • Siteimprove SEO utilizes an On-Page Diagnosis of 66 checkpoints, separated into four critical categories: Technical, Content, User Experience, and Mobile
  • Gauge your SEO performance at a glance using the SEO dashboard
  • On-page diagnostics are rounded off by the DCI™ Industry Benchmark, which shows how your website's user-facing and technical aspects stack up to the rest of the market
  • Create and manage activity plans and workflow directly in Siteimprove
  • Based on an intelligent machine-learning algorithm, Siteimprove's Duplicate Content Finder detects similar content clusters on its own so you don't have to
  • Search Engine Analytics compiles visitor information like devices, countries, engagement, and more, so you can tailor the user experience

Be aware that

  • Siteimprove has been designed for large organizations
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Raven Tools

Dive deep into SEO campaigns with integrated software that combines the best SEO and link building tools available. SEO tools built for SEO obsessives

PRICING

Accounts start from $99 per month

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Key Features

  • Identify common SEO issues like missing meta titles and descriptions
  • Schedule your site to be audited weekly or monthly

Great for

  • Raven will list all of your onpage technical site problems and optimization opportunities in order of severity so you can focus on the important stuff first
  • Receive a shareable link of the report
  • Automatically scheduling your site audit means that you don't have to manually run your site's audit

Be aware that

  • The entry level account is limited to 20 SEO content audits
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Deepcrawl

DeepCrawl is the most comprehensive website crawler and is trusted by the world's biggest brands. We enable our clients to increase site revenue and drive more organic traffic by uncovering SEO insights and technical issues that are impeding websites from success in search

PRICING

Accounts start from £55 per month

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Key Features

  • Schedule regular crawls in order to monitor the health of your site
  • Track site progress over time with trend graphs

Great for

  • Filter your crawl data to see metrics related to architecture, site speed, crawl efficiency, linking, and landing pages
  • Deepcrawl will find elements of our site which are impacting it's loading speed and show you how to fix it
  • Discover and eliminate broken pages
  • Use Deepcrawl to audit all of your backlinks
  • Find and fix broken hreflang links

Be aware that

  • The entry level account is limited to 5 projects
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Google Search Console

Track your site's search performance with Google Search Console and browse around for Google Webmasters support, learning and community resources

PRICING

Free

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Key Features

  • Track your site's search performance
  • Get support from Google for your site

Great for

  • Google Search Console offers critical search metrics that includes clicks, impressions, rankings and click through rates
  • Discover any crawling errors through the crawl error report which will help you solve various crawling issues
  • You can submit a new sitemap to Google
  • Receive an Index Coverage Report which will allow site owners to see how Google is indexing their site, plus it will highlight any potential issues

Be aware that

  • Information found in Google Search Console can sometimes be out of date
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Sitebulb

Sitebulb is an extremely powerful website crawler with the world's most insightful reporting system

PRICING

Free tier available. Paid accounts start from £30 per month

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Key Features

  • Desktop website crawler
  • Identify technical SEO problems
  • Build comprehensive reports for each area of the site audit

Great for

  • Discover exactly what search engines will come across when they crawl your website, and even what they won’t find
  • Sitebulb maps status codes against crawl depth, which acts both as a representation of the site architecture, and a snapshot of your crawl efficiency
  • Create Crawl Map's, which is an interactive visualization of how Sitebulb’s crawler navigated the site
  • Optimize your internal link structure
  • Run a content audit to find issues such as: thin word count, duplicate content and readability score
  • Integrate your crawl data with your site traffic data to identify deeper trends
  • Receive site speed analysis for every page on your website

Be aware that

  • The free tier is limited to 500 URL audits
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SerpStat

Smart and powerful tool for: backlinks analysis, rank tracking, keyword research, competitor analysis and site audits

PRICING

Accounts start from $19 per month

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Key Features

  • Find and fix on-site and off-site issues
  • Discover gaps in a domain’s optimization
  • Improve a domain’s crawl rate

Great for

  • The Serpstat audit will show you how efficient separate elements of your website are, identify optimization errors, and fix them
  • Review the relevance of Meta Tags’ content and length in title and description
  • Scan your site for any duplicate content
  • Find and correct interlinking verification
  • Create or correct your sitemap for Google
  • Create email alerts that will automatically send a notification to you when an issue has been detected
  • Use diagrams and charts to visualize large amounts of data is an effective way to convey complex concepts in a format that is easy to understand

Be aware that

  • The entry level account is limited to 20,000 audited pages
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Ahrefs

Analyse your website for common technical SEO issues and optimisation best practices. Get actionable insights that will help you rank better in search engines. Monitor your website's SEO health and optimisation progress over time

PRICING

Accounts start from $99 per month

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Key Features

  • Run a site audit through Ahrefs and uncover potential SEO issues that could impact your ranking
  • Monitor your site's SEO health over time
  • Drill down into the audit data with highly detailed reports

Great for

  • Crawl your entire website and generate a variety of reports that will help you analyse your website's health and fix all possible on-site issues
  • Customize the data explorer and drill down into SEO issues
  • Configure your own metrics in the SEO audit report to focus on the data most important to you
  • Ahrefs traffic and backlinks are pre-populated for every page on your site
  • Create custom "issues" based on 150+ data points for each URL

Be aware that

  • The entry level account is limited to 1 site audit project
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Copyscape

Copyscape is a free plagiarism checker. The software lets you detect duplicate content and check if your articles are original

PRICING

Free tier available. Paid accounts start from 3c per search for the first 200 words + 1c per additional 100 words or part thereof

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Key Features

  • Check if the content on your site is original
  • Scan the internet to find sites who are stealing and duplicating your content

Great for

  • Ensure that any content you purchase from freelance writers is original to avoid any duplication penalties from Google
  • Continuously scan the internet to ensure that no one is copying your content and placing it on their own website
  • Receive automated emails when Copyscape finds any copy of your content on another site

Be aware that

  • In order to check if your content is original you will need the premium account
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Title Tag Pixel Width Checker

Pixel Width Checker for Page Meta Titles & Descriptions

PRICING

Free

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Key Features

  • Check the pixel width of the meta titles or description you are writing

Great for

  • Google has a pixel width limit for meta title and descriptions, with this tool you can check your copy before you finalize your version
  • By optimizing your pixel width you can make sure you take advantage of all the meta space which is available

Be aware that

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SEOmator

A great SEO Audit and deep SEO Analysis Tool designed primarily for SEO professionals to review websites' performance

PRICING

Accounts start from $5 per month

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Key Features

  • The Audit Tour will scan your website for common SEO issues
  • Create your own report and access it when you need to

Great for

  • Create modern looking SEO audits for your management team or clients
  • Integrate SEOmater with Google Analytics, WordPress, Slack and soon, Salesforce
  • Each issue which is detected in the SEO audit is accompanied with a solution based on best practices
  • Review your competitors rankings and backlinks

Be aware that

  • The entry level account is limited to 100 URL crawls
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Siteguru

SiteGuru crawls and analyzes your website to help your SEO and online marketing activities. We monitor your website and help you find and fix issues

PRICING

Free tier available. Paid accounts start from €9 per month

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Key Features

  • Will crawl all the pages of your website
  • All pages are analysed for SEO

Great for

  • Receive a site health score with a list of common SEO checks
  • For every SEO check you will receive information on how your site is performing
  • If any SEO issues are found, some actionable insights are provided

Be aware that

  • The free tier is limited to 2 websites and 50 pages per site
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Sitebeam

Sitebeam tells you about any website. Spelling mistakes, SEO, load speed, social media, code, W3C, accessibility & more in one tool

PRICING

Accounts start from $60 per month

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Key Features

  • Tests SEO, spelling, cookie law and accessibility in one tool

Great for

  • Run over 40 tests for your website, including page speed, content spelling, cookie law, search engine rank, analytics and more
  • Sitebeam is cloud based so there is no software to install
  • Create reports with your own branding

Be aware that

  • The entry level account is limited to 10 reports per month and 100 webpages per report
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