https://www.paessler.com/Download_PRTG/30_Day_Trial
广告PRTG monitors the availability of web servers, CPU, memory, and web server performance. Monitor web server hardware, web server availability and web server performance with PRTG.
All-in-one monitoring · All in one, no add-ons · All in one dashboard · Create custom dashboards
Types: PRTG Network Monitor, PRTG Enterprise Monitor, PRTG Hosted Monitor