Looking for a freeware for monitoring my web server

[chokan]

I want to get a freeware for monitoring my web server.
Due to my site's cache record get lost from google (I ensure that is not a google penalty), I think there is something wrong with my server.

[Reno]

The freeware at this site may be what you are looking for:

snapfiles.com/freeware/network/fwnetmoni.html

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