User Agent Category: Monitor

Server Monitors or HTTP Site Monitors will visit your website (usually just your home page) at fixed intervals of time - usually every 5, 15, 30 or 60 minutes - to determine if your hosting server and site are up, and to measure the response time. Monitors can be online subscription-based services or standalone applications you installed on your computer or local network. It's rare a server monitor will visit your site, unless you subscribed to its service or started the local application.

AgentDescription
AgilentPremier measurement company, with advancing electronics, communications, life sciences and chemical analysis.

AlertSiteProvider of web performance measurement, systems monitoring and security vulnerability scanning products.

AttentioBlog and forum monitoring.

BigBrotherBB4 network monitoring.

Check&GetBookmark manager, web change monitor and archiver.

HasteWeb mapping and monitoring system.

InternetSeerWeb Site Monitoring, Claymont robot.

IsMySiteUpOnline website monitoring service.

Lachesis/FastHealthIntels Lachesis web site response time monitoring tool.

OliverPerryClaymont web site monitoring.

PigeonBot/SurveyBotMonitors internet statistics for the WhoIs Source domain search engine.

PingALink

Server MojoCheck client's web site and web server availability every several minutes.

SiteRecon+Website monitoring spider.

Social Site Monitor

SPENGSiteProbe website status checking.

TimelyWebWeb page monitoring tool.

UptimeAuditorReal-time web monitoring.

UrlMonitor

WebClippingOnline news monitoring service.

WebTrafficExpressServer software.

WebWatcherMonitorStudio Net.Idea's Web Watcher Monitor robot.

WhatsUpNetwork monitor.

XTbotServer and online services monitoring.