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SiteUptime - http://www.siteuptime.com
Free website monitoring services. Receive instant email notices when your website becomes unavailable. Provides detailed web based statistics and performance reports. |
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AlertBot - http://www.alertbot.com
Web site monitoring service that tests website availability, performance, and alerts webmaster of downtime. Also provides ftp, http, pop3, snmp, https, smtp, ip, and dns server monitoring. |
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Mercury SiteScope - http://www.mercury.com/us/products/application-management/foundation/monitors/sitescope/
Providing application performance, configuration management and network monitoring software solutions. |
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AlertSite - http://www.alertsite.com
Monitors the availability and performance of web sites and internet services as often as every minute from multiple geographic locations. Alerts via email, pager, SMS, cell. |
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InternetSeer - http://www.internetseer.com/
Remotely monitors Web sites and provides alerts by email or pager email when sites becomes unavailable. Free limited option available. |
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Dotcom-Monitor - http://www.dotcom-monitor.com/
Global web site monitoring service providing web application monitoring, network monitoring, website load stress testing with reporting, notification, escalation and analysis in one single solution. |
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WebSitePulse - http://www.websitepulse.com/
Provides website and server monitoring, web application and email system monitoring services, with email and SMS alerts when problems are detected. |
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WatchOur - http://www.watchour.com/
Monitors from several locations at once time. Receive alerts describing problems via email, pager and SMS. |
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HostGuardian - http://www.hostguardian.com/
Server port monitoring, content checking, host process verification, and router latency/packet loss monitoring. |
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http://www.alertra.com/ - http://www.alertra.com/
Remote web site monitoring and failure notification from global network, supports http, https, ping, smtp, pop3, imap4, ftp and tcp-level checks. |
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WatchMouse - http://www.watchmouse.com/
The European site monitoring service, checks servers 24 hour a day, 7 days a week. Offers free and paid services such as web, mail, FTP, and IMAP. |
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http://www.tracert.com/ - http://www.tracert.com/
Online interface to trigger ping and traceroute tests from more than 200 locations all over the world. |
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Red Alert - http://www.redalert.com/
Subscription monitoring service. |
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http://uptime.openacs.org/uptime/ - http://uptime.openacs.org/uptime/
Free website monitoring service based on retrieving a short text file. E-mail and/or pager notification. With an overall list of monitored sites and their status. |
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Website Alert - http://websitealert.net/
Free internet server status monitoring, alerts by e-mail. |
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NetWhistle - http://www.netwhistle.com
Advanced web site monitoring service which tests website availability from worldwide network of servers. Includes reports for web site performance, downtime, ssl, http, smtp, pop3 server monitoring, and instant alerts. |
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InternetCM - http://www.internetcm.com
Online service which allows you to specify Internet resources, web sites, or keywords that you want monitored. |
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1stMonitor - http://www.1stmonitor.com/
Web site monitoring notifies you via email when a web site is down or new content has been posted. |
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ElkMonitor - http://www.elkmonitor.com/
Monitors websites and other internet servers for availability and performance. Alerts users when their sites or servers are unavailable or performing poorly. Alerts via email, pager, or SMS. Free trial. |
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Watchdog Host Monitor - http://www.web-site-tools.com/watchdo.htm
Offers 24-hour site monitoring service. Tracks web site performance and accessibility from five global monitoring locations. |
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Crypton Computers - http://www.crypton.co.uk/
Provides web-based network monitoring solutions. |
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Website Availability - http://www.websiteavailability.com/
Monitors your web site from the US or Europe. |
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Nexus Watch - http://www.nexuswatch.com/
Monitors availability and performance of web sites, dns, and ftp, including web content checking. |
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SiteRecon - http://www.siterecon.com
Independent 24/7/365 web site monitoring, notification, and performance verification of mission critical HTTP, HTTPS, FTP, and SMTP servers. Free web site security tools to assist in keeping your site operational. |
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CheckUpDown - http://www.checkupdown.com/
Automatic check if a Web site is up or down and response times for the server. Also provides some site statistics. |
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http://www.vertain.com/ - http://www.vertain.com/
Monitor web sites, multi-page web transactions, and audio/video content. Some free services available. |
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SiteProbe - http://www.siteprobe.com/
Tool that checks the status of your website hourly. Free limited option available. |
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Site Guardian - http://www.siteguardian.com/
Customized monitoring solutions to ensure your site is up and functioning properly 24 hours a day, seven days a week. |
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Watch4you - http://www.watch4you.com/
Offers server monitoring with SMS notification. Covers web, mail, and DNS protocols. |
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CheckMyServer - http://www.checkmyserver.com
Remotely monitors your server and alerts you instantly via SMS, MSN Messenger and/or e-mail. Each week you receive a server ranking and reports of statistics. |