Apps similar to Guardius include Better Stack, which is free for personal use. Other options are Pingdom, Google Lighthouse, UptimeRobot and Burp Suite. There's no shortage of Website Monitoring Tools like Guardius, with more than 50 alternatives for the web, Windows, Linux, Mac and self-hosting.
An open source load testing tool written in Python. Locust allows you to define user behaviour with Python code, and swarm your system with millions of simultaneous users.
Poland
EU
Use this free Website Speed Test to analyze the load speed of your websites, and learn how to make them faster.
United States
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.
StatusPage.io is the best way for web infrastructure, developer API, and SaaS companies to get set up with their very own status page in minutes. Integrate public metrics and allow your customers to subscribe to be updated automatically.
Australia
India
Get the web's modern capabilities on your own sites and apps with useful guidance and analysis from web.dev.
United States
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.
United States
Netsparker is the only False-positive-free web application security scanner. Simply point it at your website and it will automatically discover the flaws that could leave you dangerously exposed.
United Kingdom
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.
RomaniaEU
Sweden
