Use this free Website Speed Test to analyze the load speed of your websites, and learn how to make them faster.

Google Lighthouse is described as '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' and is a Website Audit tool in the business & commerce category. There are more than 25 alternatives to Google Lighthouse for a variety of platforms, including Web-based, SaaS, Google Chrome, Mozilla Firefox and Self-Hosted apps. The best Google Lighthouse alternative is Web Check, which is both free and Open Source. Other great apps like Google Lighthouse are Pingdom, Screaming Frog SEO Spider, GTmetrix and PageSpeed Insights.
Use this free Website Speed Test to analyze the load speed of your websites, and learn how to make them faster.

Get the web's modern capabilities on your own sites and apps with useful guidance and analysis from web.dev.


Guardius is a Software as a Service (SaaS) company designed to streamline and automate various IT needs for companies that operate their own websites or manage their own infrastructure. It is crucial for companies to safeguard their websites and infrastructure against potential...




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...



YSlow analyzes web pages and suggests ways to improve their performance based on a set of rules for high performance web pages. YSlow is a Firefox add-on integrated with the Firebug web development tool.
InternetIndexer.com is a bundled collection of best seo tools. We offer all for free of charge, Such as XML Sitemap Generator, Plagiarism Checker, Article Rewriter and more.
Boost your SEO, speed and security: Checkbot for Chrome crawls your site to test you’re following over 50+ best practices. Test 1,000s of pages in minutes for broken links, duplicate content, invalid HTML, insecure forms, redirect chains and more.




Real-time uptime monitoring for Shopify stores. Get instant alerts when Stripe, Klaviyo, ShipStation, or any of your 80+ e-commerce services goes down.



The Audisto Crawler is a website crawling tool with a strong focus on SEO. It automatically detects and analyses all URLs from a website and points out optimization potential.

WEBO Software is an innovative company focused on providing website performance solutions. Its product, WEBO Site SpeedUp, is a world leader in accelerating PHP based websites and has thousands of real installations.

Speedrank monitors the performance of your website in the background. It displays Lighthouse reports over time and delivers recommendations for improvement. Speedrank is a paid product with 14-day-trial.

Open Source Web Speed Performance Optimization and Monitoring with Lighthouse. Available as a free SaaS or run it yourself to offer a SaaS to your end-users. Simulate an actual user using Chrome to analyze the performance with Websu.
