It costs a lot to have a slow website. Stop gambling your users will endure slow pages. Start running performance regression now!.
Cost / License
- Freemium
- Proprietary
Application type
Platforms
- Software as a Service (SaaS)


One of the most popular alternatives to Google Lighthouse is Web Check, which is free and open source. Other popular alternatives are Pingdom, Screaming Frog SEO Spider, PageSpeed Insights and GTmetrix. You're spoiled for choice with Website Monitoring Tools like Google Lighthouse: we list more than 50 alternatives for the web, Windows, Mac, Linux and self-hosting.
It costs a lot to have a slow website. Stop gambling your users will endure slow pages. Start running performance regression now!.


Koalati is a quality control and training platform built to help web developers and agencies ship better websites.




Open-source website auditing and optimization tool with AI-powered fixes, GEO/AEO analysis, and full-site crawling and auto-fixing that fixes the problems it finds without having to lift a finger.



RenderDiff compares the initial HTML source code of any webpage with its JavaScript-rendered DOM - and highlights every SEO-relevant difference.



Full-site crawler with 14 parallel AI audit agents You supply the API key; Vexifa does the work — no SaaS credits, no data leaving your machine.




PSI Lynx is a SaaS platform for running bulk Lighthouse and PageSpeed audits across many website pages. It helps SEO teams, developers, agencies, and business owners monitor Core Web Vitals, track performance history, and catch regressions after releases, plugin updates, design...



Prafero is an all-in-one website intelligence platform for auditing any site in one place. It analyzes SEO, performance, security, DNS, and tech stack signals, then turns them into clear insights so founders, marketers, developers, and agencies can make faster website decisions.




AccessGuard checks web pages against WCAG 2.2 Level AA in a real browser, using axe-core plus its own checks. Each finding shows the WCAG criterion, the element and how to fix it, and criteria a machine cannot decide are marked for manual review, because an automated scan cannot...




Analyze and manage your website's performance, SEO, accessibility, best practices, PWA and more using Pagespeed + Lighthouse.




Monitor your Google PageSpeed Insights Score and receive alerts when the score falls. Track your score over time with URL history so you can see when things changed. Scan your entire site instead of just the homepage. PageSpeedPlus.



