Ehsan Hosseini

This comprehensive guide discusses the importance of error reporting services like Sentry and Bugsnag, elucidating how they assist teams in detecting, grouping, and resolving runtime issues in real-time. We delve into the integration of these services in frontend and backend stacks, providing an in-depth understanding for experienced developers.

Gain profound insights into the function and benefits of session replay tools, their use cases, how they work, and best practices for integration. Session replay tools record and replay real user sessions, offering an effective way to understand user behavior, uncover UI bugs, and identify UX friction.

Stack traces are essential to debug runtime errors, but they often become incomprehensible in production due to minification. Discover how to decipher stack traces using source maps and debug effectively.

This article explores the use of OpenTelemetry for frontend monitoring, detailing how to trace, measure, and correlate frontend spans with backend services for a holistic understanding of full-stack visibility.

This article explores the intricacies of user journey tracking, a critical technique that provides insights into how users navigate your product. We will delve into mapping user flows, capturing significant events, and correlating user experience behavior with outcomes in a comprehensive manner.

Dive into the world of custom event tracing and learn how to instrument and capture user and system behavior, leading to better observability of your frontend applications.

The Performance API offers refined, high-resolution timing data directly from the browser. This guide offers a deep dive into how to harness Navigation Timing, Resource Timing, and more to track user performance with accuracy.

Client-side error logging is indispensable for detecting bugs in production. Discover how to capture uncaught exceptions, promise rejections, stack traces, and more from real users.

Exploring Application Performance Monitoring (APM) tools and how they provide end-to-end visibility into your stack, helping to trace performance, identify bottlenecks, and understand system behavior.

This article delves into the depth of Real User Monitoring (RUM), elucidating its significance, how it deviates from synthetic monitoring, its implementation, and applicable metrics. We'll also discuss its integration with modern web performance, providing a broad spectrum of understanding for seasoned developers.