PeoplesGeek

Monitoring services like www.siteuptime.com or www.montastic.com require a page on your website to monitor.
This plugin provides a virtual target for your monitoring services that does not invoke other plugins (specifically avoiding the Google analytics plugins so that your statistics are not skewed by monitoring calls) 
The two targets provided for the monitoring service are:
<ul>
<li>monitor.htm – via .htaccess and does not use WordPress (but does use PHP)</li>
<li>monitorWP.htm – via WP and so tests the Database etc is working</li>
</ul>

PG Monitor

A virtual target file to be read by monitoring services instead of using a static HTML page.

WP Enforcer

Keep an eye on the most important aspects of your WordPress site from one central location. Our plugin automatically sends activity that interacts with your database for things like posts, comments, authentication, and more to the cloud in realtime. This gives you peace of mind that you know what bots, spam, or other illegitimate traffic is interacting with your site.
Enable WP Enforcer to analyze your site for suspicious traffic patterns. With our vast database of IP addresses we can determine if the threat is coming from unwanted proxies, TOR network, nefarious web crawlers, or generally considered a threat to the community.
Check to see the current uptime percentage and response time of your site with 1 minute health checks. Get alerted when your site is down!
Take back control of where your traffic comes from. When using WP Enforcer you can decide to block certain traffic signatures and send them to our “safe zone”. That has been proven to help eliminate spam and malicious traffic.
Many agencies and successful WordPress users will run multiple sites. With our innovative cloud based platform we allow you to add our plugin to monitor more than one site and interact with it all from one dashboard for convenience.

Audit the activity of your site and get uptime statistics all from a central platform.

PG Monitor vs WP Enforcer