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.
AI-driven SRE platform offering real-time infrastructure monitoring, incident management, log analytics, traces, error tracking, metrics, real user monitoring, status pages, and a warehouse, with full data ingestion, centralized dashboard, custom alerts, and reduced costs.
United States
Tracks uptime, downtime, and page speed with synthetic and real user monitoring, simulates critical flows, analyzes visitor data by location, device, and browser, sends instant alerts, and provides analytics and reporting to troubleshoot and optimize sites.
United States
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.
United States
Free real-time monitoring for 50 sites every 5 minutes. Custom alerts through email, SMS, calls, and apps like Slack, PagerDuty, and more. Use status pages and mobile apps for easy management.
Slovakia
EU
Burp Suite is an integrated platform for performing security testing of web applications. Its various tools work seamlessly together to support the entire testing process, from initial mapping and analysis of an application's attack surface, through to finding and exploiting...
United Kingdom
HetrixTools offers minute-by-minute global uptime monitoring with 15 free monitors, blacklist alerts for IPs and domains, and server resource tracking. Features a user-friendly design, public uptime pages, white label reports, and continuous updates for enhanced functionality.
United States
![(dark mode) Server Resource Monitoring [1]](https://img.alternativeto.net/s/309x197/jpeg/hetrixtools_672860_full.png)
PageSpeed Insights (PSI) reports on the performance of a page on both mobile and desktop devices, and provides suggestions on how that page may be improved.
United States
Eviware, the maker of soapUI, Web Service Testing Leader
soapUI is a tool for functional testing, mainly of web services like SOAP based web services and RESTful web services, but also HTTP based services and JMS Services as well as databases. soapUI is an open source and compl.
United States
The Zed Attack Proxy (ZAP) is an easy to use integrated penetration testing tool for finding vulnerabilities in web applications.
Provides uptime, performance, and page speed monitoring for up to 10 websites. Offers customizable alerts by email, SMS, or third-party apps, root cause analysis, mobile support, server and SSL checks, plus a free plan with detailed reports for diagnostics.
United Kingdom
GTmetrix is a free tool that analyzes your page's speed performance. Using Page Speed and YSlow, GTmetrix generates scores for your pages and offers actionable recommendations on how to fix them.
Canada
UpCanary is an automated status page and uptime monitoring platform that updates your status page from real monitoring data. Unlike tools that require manual status updates, UpCanary detects outages in under 3 seconds and reflects reality on your status page automatically.
Switzerland
Quimonit offers a comprehensive monitoring suite that uniquely monitors many aspects of your website, to maximize uptime, reduce downtime, and optimize your website's performance. Don't get caught with your website down!.
United States
![(dark mode) Server Resource Monitoring [1]](https://img.alternativeto.net/s/618x394/avif/hetrixtools_672860_full.png)
