I have used Zend Z-Ray (which is php programming base software) but unfortunately, I don't have good experience with this software. It's not according to my expectations and not able to monitor my website performance online or offline. So, Please anyone suggest me best tool to monitor the website performance.
Best Software to Monitor Website Performance
Uptime Robot is a famous webpage monitoring software. It is utilized by Expedia, Nginx, Fandango and many others. You can check out this detailed website monitoring tools via following this webpage https://appuals.com/the-5-best-tools-to-monitor-website-performance/. They are in the market since 2010 and are famous for offering an amazing service when it comes we talk about uptime monitoring.
Uptime Robot has 12 dissimilar monitoring locations in various countries like Germany, America, Canada, Brazil, Australia, United Kingdom, Japan, Netherlands, Singapore, and Ireland. It observers your webpage after every 5 minutes and allows you to know in case your sites down depend on the reaction from your webpages headers. They have a very good free of cost plan which contains 50 monitors on 5-minute breaks and 2 months of logs. Their paid plans begin at $5.50/month which let advanced reports, 1-minute observing intervals, and SMS credits.