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Website availability & performance monitoring

This CLI tool can be used to monitor in real time the availability and the performance of some websites.

screen app

Features

  • Monitor any number of websites
  • Choose a different check interval for each website (this is why the response count may not be the same for every host)
  • For all of them, check :
    • the availability
    • the response time (max and average)
    • the count of every http response code received for a host
  • Various time frames for analysis : every 10s, an analysis on the last minute is done, and every minute, the analysis is made over the last hour
  • Alert logging

How to install

To use this tool you need to have nodejs and npm installed.
You just have to run :

npm install
node run.js

You can tune the settings as you like : you just have to edit the file config.js and register the host you want to monitor, as well as their check interval.