Web Site Performance Monitor

Web Site Monitoring in 5 Minutes

Provide an optimum user experience by ensuring peak performance and reducing or eliminating slow Web site and page load times. Make sure your Web site is running all its applications and delivering all services seamlessly.

Instant Real-time Alerts

Test your Web site's URLs as often as every minute from over 60 monitoring locations, and receive immediate alerts if there are problems or delays.

Try Our FREE Trial for 30 Days

Check it out for yourself at no risk. Sign up for your 30-day free trial today. Get a comprehensive view of your Web site's performance and availability, with detailed breakdowns of DNS resolution, TCP connect, content download, redirect times and more.

Web Site Monitoring Leader Since 1998

Find out why over 2,300 companies worldwide rely on AlertSite® for Web performance management.

• Quantify system capacity.
• Pinpoint bottlenecks for correction.
• Use diagnostics to solve problems faster.
• Ensure your site performs well under heavy traffic conditions.
• Experience the industry's most responsive customer service.

Ask us about DéjàClick™, our exclusive transaction monitor with TrueUser™ technology.