JavaScript Performance Monitoring

Monitor and fix JavaScript performance problems with ease. Quickly diagnose issues in your codebase, enjoy faster development cycles and make sure your customers are having delightful digital experiences.

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Free unlimited monitoring for 14 days

Monitoring your JavaScript performance has never been easier

The Raygun4js provider is a single script which includes the sole dependency, allowing you to drop it in and start monitoring in minutes.

Support for single page applications
Raygun Real User Monitoring works with React, Angular, and Vue.js

Visit the open source provider at the Raygun4js GitHub repository

Raygun supports these following frameworks:

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Easily detect and diagnose slow and frustrating load times

Pinpoint JavaScript performance problems and resolve issues faster. Get the answers you need to deliver exceptional customer experiences.

See user experience metrics alongside engineering activity like recent deployments
Use top-level filtering to sort data by browser, geography, device, or application version
Quickly identify performance bottlenecks, slow-running queries, and more with granular detail into your application performance

JavaScript monitoring that gives actionable data, rather than just clues

Raygun’s JavaScript performance monitoring tool gives you more context and better diagnostic details than traditional tools.

Understand exactly how your application performed for every user session with instance-level diagnostics on every page request
See an individual user session in a timeline to see where they encountered performance problems with end-user experience monitoring
Visualize how your application performed for every page request, with a full load breakdown and waterfall timeline

Simple and affordable pricing that scales with you

Flexible usage-based pricing means you only pay for what you use with unlimited apps and team members
All plans include unlimited dashboards, user experience monitoring, and deployment tracking
Works seamlessly with JavaScript error tracking to give you complete control over your application