Free SEO audit tools
Want to optimize your website's SEO but don't want to break the bank? Check out our top recommendations for free SEO audit tools. These powerful tools provide a comprehensive overview of your website's SEO health, including technical issues, content quality, and more.
9 tools
PaidUse Surfer to quickly generate content plans for any domain. Write high-quality, SEO-friendly content to imporve your organic traffic.Content writing, AI SEO tools, Content briefing, Keyword research, Site Auditing
Surfer SEO
Web Application- PaidAn all-in-one SEO tools that can help you with backlink analysis, keyword research, site auditing and more.All-in-one, Backlink Analysis, Competitor analysis, Keyword research, Rank tracking, Site Auditing
Ahrefs
Web Application - FreeUnderstand 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.Site Auditing, Web Analytics
Google Search Console
Web Application - PaidEntity-based SEO Platform, to help you rank higher & stay ranked longer.Content briefing, Content writing, Structured Data
InLinks
Web Application 
PaidSeamlessly visualize your JSON data instantly into graphs.Structured Data
JSON Crack
Web Application
FreeSEO audit tool with free PDF! Scan your website in seconds for common on-page SEO fixes, plus see organic keywords, links, and more.SEO checker
SEO Auditor
Web Application- FreeImprove your SEO by using this plugin that generates sitemaps, enabling search engines to better index your site.Plugins/Extensions, XML Sitemaps
XML Sitemaps plugin
WordPress - PaidDareboost provides an overview of your site speed, SEO, quality and security in minutes, including tips on how to improve optimisation.Site speed
Dareboost
Web Application - PaidCheck all URLs in one go for status code, redirects, and HTTP response headers. This app is suitable for both Windows and Mac OS.SEO crawler
HEADMasterSEO
Mac Windows - PaidCopyscape is a free plagiarism checker. The software lets you detect duplicate content and check if your text is original.Plagiarism checker, Site Auditing
Copyscape
Web Application - FreeUse this tool to spot the URLs in your XML sitemap that are valid, highlighting the ones that are invalid so you can remove them.XML Sitemaps
Map Broker XML Sitemap Validator
Web Application - PaidSiteliner provides an analysis of your site within minutes, enabling you to spot errors that can be quickly be fixed.Duplicate Content
Siteliner
Web Application - FreeUse this tool to identify how your site is performing against key metrics, followed by tips on how to improve.SEO checker
Website Grader
Web Application - PaidThe Screaming Frog SEO Spider is a small desktop program (PC or Mac) which crawls websites’ links, images, CSS, script and apps.SEO crawler, XML Sitemaps
Screaming Frog SEO Spider
Mac Windows - FreeUse this tool to generate an XML sitemap for your site with the click of a button.Site Auditing
XML Sitemaps
Web Application - FreeUse this tool to measure your site's performance, including tips on how you can create a better user experience.Site speed
web.dev Measure
Web Application - FreeCheck your site speed with just a click of a button using Wattspeed.Site speed
Wattspeed
Web Application - FreeUse this tool to crawl your site to detect unused CSS selectors.Site speed
Unused CSS finder
Web Application - FreeUse this tool to check how long it takes for your server to respond to requests made by the browser.Site speed
TTFB Test
Web Application - FreeBrowser extensions, Site Auditing
Quick Click Website Audit
Chrome - FreeUse this tool to view how your page looks with the structured data it contains.Structured Data
Structured Data Testing Tool
Web Application - FreeA simple free browser extension that shows you status codes and redirects for the URL you've visited within your browser.Browser extensions, Site Auditing
Link Redirect Trace
Chrome Firefox - FreeUse SERPSim to generate snippets for the SERP using the latest Google pixel limits.Meta Optimisation
SERPSim
Web Application - PaidLog File Analysis
SEOLyzer
Web Application - FreeGet 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.Browser extensions, Site Auditing
View Rendered Source
Chrome - FreeUse this tool to generate a robots.txt file, ensuring search engine crawlers are crawling and indexing your site.Site Auditing
Ryte Robots.txt Generator
Web Application - FreeUse this tool to see which rich results can be generated by the structured data a page contains.Structured Data
Rich Results Test
Web Application - FreeUse this tool to analyse hi-res images, finding the best dimensions for embedding as responsive images in your siteSite speed
Responsive Breakpoints
Web Application - PaidUse the Pingom Site Speed Tool to analyse your site speed and how to make this it faster.Site speed
Pingom Site Speed Tool
Web Application - FreeUse this tool to analyse the speed of your site.Site speed
PageSpeed Insights
Web Application - FreeFrom page by page analysis, keyword research and a SERP preview, optimise your site using this all-in-one tool.Meta Optimisation
Page Outil: GSC Optimization
Web Application - FreeOnely 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.Site Auditing
Onely JavaScript SEO Tools
Web Application - FreeYou can see the key differences between your desktop and mobile site with MFI Checker - Zeo's Mobile-first Indexing tool.Site Auditing
Mobile First Indexing Test Tool
Web Application - FreeWith Meta Tags you can edit and experiment with your content then preview how your webpage will look on Google, Facebook, Twitter and more!Meta Optimisation
Meta Tags
Web Application - FreeA Schema.org structured data generator that supports the creation of JSON-LD markups. Including all of the required item properties and more.Structured Data
Merkle Schema Markup Generator
Web Application - FreeAn extension that is compatible across multiple browsers that unveils structured metadata embedded within HTML documents and web pages.Browser extensions, Site Auditing, Structured Data
OpenLink Structured Data Sniffer
Chrome Firefox - FreeConfigure and download your performance budget for Google LighthouseSite speed
Lighthouse performance budget generator
Web Application - FreeCumulative Layout Shift (CLS) Visualiser.Site speed
Layout Shift GIF Generator
Web Application - FreeSite speed
Keyword-driven Site Speed Comparison
Web Application - FreeIs keep alive enabled on your web server? Use our SEO tool to check the Persistent Connection status of your website. Check multiple URLs with Bulk mode.Site speed
keep-alive Validation Tool
Web Application - FreeOne of the easiest ways to add Schema's structured markup to a page is to use JSON-LD. With this tool you can quickly generate the correct JSON-LD for anyStructured Data
JSON-LD Schema Generator
Web Application - FreeCheck if the site is taking advantages of the latest HTTP 2 protocol for better content deliverySite speed
HTTP/2 Test
Web Application - FreeFree bulk and single URL server header response code checker and meta refresh detection script.Site Auditing
HTTP Status Codes Checker
Web Application - FreeBulk check status codes easily for up to 100 URLs. Receive detailed insights on their HTTP headers, status codes and redirect chains.Site speed
HTTP Status
Web Application - PaidGTmetrix is a free tool to test and monitor your page's performance. Using Lighthouse, GTmetrix generates scores for your pages and offers actionable recommendations on how to optimize them.Site speed
GTMetrix
Web Application - FreeSite Auditing
Google’s Mobile Friendly Testing Tool
Web Application - FreeEnter any domain, and we'll show you top competitive SEO metrics like Domain Authority, top pages, ranking keywords, and more.SEO checker
Free Domain SEO Analysis Tool
Web Application - PaidLog File Analysis
Logflare
Cloudflare
