Web Monitoring
Know how your website performs for real users, everywhere
AlertSite monitors your web pages from real browsers at 350+ locations worldwide — catching performance issues, broken transactions, and content failures before users notice.
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Everything you need to monitor your website
AlertSite web monitoring goes beyond simple uptime checks — giving you real browser performance data from real global locations.
Real browser monitoring from global locations
AlertSite loads your pages in real browsers — not simple HTTP pings — from 350+ monitoring locations worldwide. Get accurate page load times that reflect what your users actually experience.
Transaction monitoring with DejaClick
Use DejaClick to record complete multi-step user flows — search to results, login to account page, product to checkout. Monitor the full journey end-to-end, not just the homepage.
Waterfall performance analysis
Identify exactly which page elements are causing slowdowns — images, scripts, fonts, third-party calls — with detailed per-resource waterfall charts for every page check.
Screenshot capture on failure
When a monitor fails, AlertSite captures a screenshot of what the browser saw. Diagnose visual regressions, broken layouts, and unexpected error pages at a glance.
Codeless browser scripting
Create web transaction monitors in minutes — no code
DejaClick is AlertSite's free Chrome extension for recording browser transactions. Click through any user flow, save the script, and AlertSite monitors it continuously from every location. Record once, monitor everywhere.
Start monitoring your website today
Try AlertSite free for 14 days. Set up your first web monitor in minutes.