Frequently Asked Questions (FAQ)
2. How do you determine a website or server is down?
Ping tests fail when:
- Your server is inaccessible via the Internet or
 - Ping requests timed out
 
Web server tests fail when:
- Your web server is inaccessible via the Internet or
 - Your web server is not running, that is we can't connect to port 80 or
 - The web server is running but does not respond to requests or returns invalid HTTP responses (according to HTTP specification)
 
TCP port tests fail when:
- Your server is inaccessible via the Internet or
 - Your server is not running, that is we can't connect to the specified port
 
Website tests fail when:
- The URL inaccessible via the Internet or
 - Username/password not specified or incorrect or
 - Required keywords do not appear in the page or
 - Excluded keywords appear in the page