

Guardius is described as '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' and is a website monitoring tool in the development category. There are more than 50 alternatives to Guardius for a variety of platforms, including Web-based, SaaS, Windows, Linux and Mac apps. The best Guardius alternative is Better Stack Uptime, which is free. Other great apps like Guardius are UptimeRobot, Google Lighthouse, Burp Suite and Pingdom.


Human-in-the-loop penetration testing enhanced with AI. Identify vulnerabilities faster, reduce risk, and stay audit-ready with actionable reports and real-time visibility.



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


Scanner for vulnerabilities in container images, file systems, and Git repositories, as well as for configuration issues and hard-coded secrets.



We facilitate quick discovery and reporting of vulnerabilities in websites and network infrastructures, providing a set of powerful and tightly integrated pentesting tools that enable you to perform easier, faster, and more effective pentests.




Loadster is a full-featured load testing solution for websites, web apps, and web services. It's built for real web apps and effortlessly handles cookies, user sessions, custom headers, dynamic form data and more.
Intruder is a security monitoring platform for internet-facing systems.
Intruder provides an easy to use security solution which continually scans your digital assets, highlighting vulnerabilities and outlining remediation advice in simple terms.
Loader.io is a simple cloud-based load testing service that allows you to stress test your web-apps & apis with thousands of concurrent connections. Made by the team behind SendGrid.


OctoPerf is an enterprise-grade performance and load testing platform available as SaaS and on-premise, enabling engineering teams to simulate realistic traffic, identify bottlenecks, and validate application scalability at a lower cost than traditional enterprise tools.



UpTimeLine checks that your websites are online and notifies you in case of downtime. Get up to 20 monitors checked every 5 minutes for free. All HTTP methods, custom body and headers, regex check on response body, SSL certificate monitoring and more.
