Website Audit Tools

Get an insight into the inner-workings of a given website: uncover potential attack vectors, analyse server architecture, view security configurations, and learn what technologies a site is using.

A free in-depth website analyzer providing audits of security, performance, SEO, accessibility and other technical aspects. Available as a desktop application for Windows/macOS/Linux and as a CLI tool for advanced users and CI/CD processes. It also includes an offline web page exporter.

Lighthouse is an open-source, automated tool for improving the quality of web pages. You can run it against any web page, public or requiring authentication. It has audits for performance, accessibility, progressive web apps, SEO and more.

Powerful suite with 55+ tools for SEO, PPC, and content management, offering keyword research, site audits, social media scheduling, and competitive analysis.

urlscan.io is a free service to scan and analyse websites. When a URL is submitted to urlscan.io, an automated process will browse to the URL like a regular user and record the activity that this page navigation creates.

Ahrefs is a complete SEO toolset offering functionalities such as keyword research, link building, and website analysis. It provides free tools to improve SEO performance for both beginners and experts.

Who is peeking over your shoulder while you work, watch videos, learn, explore, and shop on the internet? Enter the address of any website, and Blacklight will scan it and reveal the specific user-tracking technologies on the site—and who’s getting your data.

Suite of four tools for keyword tracking, site auditing, backlink analysis, and outreach with cross-platform, multi-language support for seamless SEO tasks.

GTmetrix is a free tool that analyzes your page's speed performance. Using Page Speed and YSlow, GTmetrix generates scores for your pages and offers actionable recommendations on how to fix them.

PageSpeed Insights (PSI) reports on the performance of a page on both mobile and desktop devices, and provides suggestions on how that page may be improved.

Netpeak Spider is an SEO crawler for a day-to-day SEO audit, fast issue check, comprehensive analysis, and website scraping.

Offers AI-powered tools for content optimization, keyword tracking, and comprehensive audits. Integrates with major platforms for seamless SEO management.

Developed by Mozilla, the HTTP Observatory performs an in-depth assessment of a site’s HTTP headers and other key security configurations.

This free online service performs a deep analysis of the configuration of any SSL web server on the public Internet. Please note that the information you submit here is used only to provide you the service. We don't use the domain names or the test results, and we never will.

Automates SEO tasks including code updates, keyword research, rank tracking, and backlink management with real-time deployment and no coding required.

Free desktop SEO crawler - open source alternative to Screaming Frog and similar tools. Crawl websites, analyze links, extract SEO data, and export results without subscription fees.

Bing Webmaster Tools is a free service from Microsoft Bing search engine. It lets webmasters add their websites to the Bing crawler, assess site performance, resolve crawling and indexing issues, submit URLs, create and submit sitemaps, and...

Tracks keyword rankings, automates reporting, provides real-time SEO insights, supports keyword research, analyzes SERPs, monitors backlinks and audits sites.

intoDNS checks the health and configuration of DNS and mail servers.

Screpy is a web analysis tool that can analyze all pages of your websites in one dashboard and monitor them with your team. Powered by Lighthouse.

Domsignal is an all-in-one platform dedicated to empowering developers, SEO experts, sysadmins, and security researchers in their quest for website excellence. We provide a comprehensive suite of tools to help you analyze and optimize your website's performance, security...

All-in-one website analyzer to catch security, user experience, performance, technical SEO, code quality and accessibility issues.

Seo analysis of any website for its backlinks, top keywords in search, traffic analysis, ranking & worth estimations, whois data, page speed time, server response and much more all for free.

A1 Website Analyzer can crawl websites and collect data to be used for finding site and SEO problems. Filter results to see which URLs are blocked by robots.txt, which are noindex, nofollow, canonical to self, canonical to other, response codes etc.

Simple-ping.com | Seamlessly monitor your websites, web applications and servers