Google Lighthouse Alternatives [Page 3]

A utility-first CSS framework for rapidly building custom user interfaces.

Open Source

An open-source systems monitoring and alerting toolkit.

Open Source

Powerful SaaS integration toolkit for SaaS developers - create, amplify, manage and publish native integrations from within your app.

Try for free paid Free Trial

Validates HTML markup of web pages, one at a time.

That's Why is the best Real User Monitoring tool out there. We collect, analyze and display real user metrics and give you targeted advice that helps improve the user experience of your website or PWA. Interested? Try our free 14-day trial.

paid Free Trial $7.0 / Monthly (10,000 Page views)

Compatibility tables for support of HTML5, CSS3, SVG and more in desktop and mobile browsers.

Open Source

Data visualization & Monitoring with support for Graphite, InfluxDB, Prometheus, Elasticsearch and many more databases

Open Source

Dynatrace is a lightweight, always-on application monitoring solution.

Improve your website to increase conversions, improve the user experience, and make more money using Google Analytics. Measure, understand and quantify engagement on your site with customized and in-depth reports.

BrowserStack is a software testing platform for developers to comprehensively test websites and mobile applications for quality.

Open Source freemium $29.0 / Monthly (Starts at single user plans and billed annually)

Ensure healthy website performance, uptime, and free from vulnerabilities. Automatic checks for SSL Certificates, domains and monitor issues with your websites all from one console and get instant notifications on any issues.

Try for free freemium $9.0 / Monthly (Lite plan)

A fancy self-hosted monitoring tool.

Website Uptime Monitoring & Alerts – Free Unlimited Downtime Monitoring

Make your website faster and save bandwidth. TinyPNG optimizes your PNG images by 50-80% while preserving full transparency!