Free SEO audit tools

Site auditing tools can be pricey, but plenty offers free versions or a free one-off check. Even if a free site audit tool doesn't provide everything you can get from a paid one, they're helpful to spot opportunities to improve your SEO.

Results Count

1 - 7 of 7 tools
  • Freemium
    Content briefing, content writing, keyword research, site auditing
    Web-based
    Use Surfer to generate content plans for any domain in a couple of clicks. Write high-quality and SEO-friendly content to win high positions in Google. Sign up now!
  • Freemium
    All-in-one, backlink analysis, competitor analysis, keyword research, rank tracking, site auditing
    Web-based
    An all-in-one SEO tools that can help you with backlink analysis, keyword research, site auditing and more.
  • Free
    SEO checker
    Web-based
    SEO audit tool with free PDF! Scan your website in seconds for common on-page SEO fixes, plus see organic keywords, links, and more.
  • Free
    Site auditing, web analytics
    Web-based
    Understand how your site is performing in search, as well as identifying any issues that need fixing using Google Search Console. From monitoring, maintaining, to reporting, this tool does it all.
  • Freemium
    Content briefing, content writing, structured data
    Web-based
    Entity-based SEO Platform, to help you rank higher & stay ranked longer.​
  • Free
    Plugins/extensions, XML sitemaps
    WordPress
    Improve your SEO by using this plugin that generates sitemaps, enabling search engines to better index your site.
  • Freemium
    Site speed
    Web-based
    Dareboost provides an overview of your site speed, SEO, quality and security in minutes, including tips on how to improve optimisation.
  • Freemium
    SEO crawler
    Mac
    Windows
    Check all URLs in one go for status code, redirects, and HTTP response headers. This app is suitable for both Windows and Mac OS.
  • Freemium
    Plagiarism checker, site auditing
    Web-based
    Copyscape is a free plagiarism checker. The software lets you detect duplicate content and check if your text is original.
  • Free
    XML sitemaps
    Web-based
    Use this tool to spot the URLs in your XML sitemap that are valid, highlighting the ones that are invalid so you can remove them.
  • Freemium
    Duplicate content
    Web-based
    Siteliner provides an analysis of your site within minutes, enabling you to spot errors that can be quickly be fixed.
  • Free
    SEO checker
    Web-based
    Use this tool to identify how your site is performing against key metrics, followed by tips on how to improve.
  • Freemium
    SEO crawler
    Mac
    Windows
    The Screaming Frog SEO Spider is a small desktop program (PC or Mac) which crawls websites’ links, images, CSS, script and apps.
  • Free
    Site auditing
    Web-based
    Use this tool to generate an XML sitemap for your site with the click of a button.
  • Free
    Site speed
    Web-based
    Use this tool to measure your site's performance, including tips on how you can create a better user experience.
  • Free
    Site speed
    Web-based
    Check your site speed with just a click of a button using Wattspeed.
  • Free
    Site speed
    Web-based
    Use this tool to crawl your site to detect unused CSS selectors.
  • Free
    Site speed
    Web-based
    Use this tool to check how long it takes for your server to respond to requests made by the browser.
  • Free
    Browser extensions, site auditing
    Chrome
  • Free
    Structured data
    Web-based
    Use this tool to view how your page looks with the structured data it contains.
  • Free
    Browser extensions, site auditing
    Chrome
    Firefox
    A simple free browser extension that shows you status codes and redirects for the URL you've visited within your browser.
  • Free
    Meta optimisation
    Web-based
    Use SERPSim to generate snippets for the SERP using the latest Google pixel limits.
  • Freemium
    Log file analysis
    Web-based
  • Free
    Browser extensions, site auditing
    Chrome
    Get a better understanding of how search engines view your page by using this tool. It shows you how a browser renders a page, rather than the server.
  • Free
    Site auditing
    Web-based
    Use this tool to generate a robots.txt file, ensuring search engine crawlers are crawling and indexing your site.
  • Free
    Structured data
    Web-based
    Use this tool to see which rich results can be generated by the structured data a page contains.
  • Free
    Site speed
    Web-based
    Use this tool to analyse hi-res images, finding the best dimensions for embedding as responsive images in your site
  • Freemium
    Site speed
    Web-based
    Use the Pingom Site Speed Tool to analyse your site speed and how to make this it faster.
  • Free
    Site speed
    Web-based
    Use this tool to analyse the speed of your site.
  • Free
    Meta optimisation
    Web-based
    From page by page analysis, keyword research and a SERP preview, optimise your site using this all-in-one tool.
  • Free
    Site auditing
    Web-based
    Onely Made for Geeks [OMFG] is Onely’s official free toolset that allows you to access your website’s rendering cost, JavaScript injected elements, and indexed HTML and JS code.
  • Free
    Site auditing
    Web-based
    You can see the key differences between your desktop and mobile site with MFI Checker - Zeo's Mobile-first Indexing tool.
  • Free
    Meta optimisation
    Web-based
    With Meta Tags you can edit and experiment with your content then preview how your webpage will look on Google, Facebook, Twitter and more!
  • Free
    Structured data
    Web-based
    A Schema.org structured data generator that supports the creation of JSON-LD markups. Including all of the required item properties and more.
  • Free
    Browser extensions, site auditing, structured data
    Chrome
    Firefox
    An extension that is compatible across multiple browsers that unveils structured metadata embedded within HTML documents and web pages.
  • Free
    Configure and download your performance budget for Google Lighthouse