Author: Archish Thakkar
-
Session Inspector: See Exactly What Happened In Any User Session
A session replay only gets you halfway to a fix. Watching what a user did is useful. But on its own, it doesn’t tell you which request failed, what error fired, or whether the user was already stuck before things broke. Without that context, a recording is just a video with no explanation attached. You…
-
10 Best React Performance Monitoring Tools in 2026
Choosing the right React performance monitoring tools starts with a hard truth: the React Profiler tells you nothing about what happened to a real user on a three-year-old Android phone last night. Local development hides the exact conditions that break production performance: device CPU, network quality, and every API call your components depend on. This…
-
React Error Monitoring: A Practical Guide to Catching, Debugging, and Fixing Production Errors
React error monitoring only works if you can see the errors your error boundaries hide. Most production failures in a React app never reach a dashboard. They happen inside event handlers, async code, and promise rejections that boundaries were never built to catch. Middleware RUM captures those errors as they happen, unminifies the stack, and…
-
10 Best Synthetic Monitoring Tools in 2026 (Reviewed and Compared)
Synthetic monitoring is the practice of using scripted bots to simulate user interactions, including page loads, login flows, API calls, and checkout transactions, at scheduled intervals from real geographic locations. It runs 24/7 without requiring real user traffic, so your team can catch failures before customers ever encounter them. Synthetic monitoring and testing tools are the…
-
Frontend Performance Metrics: Bridging the Gap from Browser to Backend with RUM and Tracing
Frontend performance metrics measure how quickly and smoothly a web or mobile application behaves for users. This includes load time, interactivity, and visual stability across different devices, browsers, and app environments. Frontend performance metrics often show that something is wrong, but they fail to explain who is affected, how it impacts users, and where the…
-
How a SaaS Team Scaled End-to-End Browser Tests with Middleware Synthetic Monitoring
An EdTech platform with 200k users learned a hard lesson in reactive monitoring. After a Friday deployment, their status page was green, but their checkout was dead for iOS 14 users. It took two hours to diagnose while revenue leaked. By pivoting from manual regression to a Synthetic-First Observability Strategy with Middleware, they cut detection…
-
Top 8 Real User Monitoring (RUM) Tools in 2026
Real User Monitoring (RUM) tools collect real-time data from actual user sessions to measure application performance, interactions, and errors across browsers, devices, and networks. RUM provides visibility into page load speed, Core Web Vitals, network conditions, and frontend issues across devices, browsers, and locations, revealing performance gaps not visible in backend monitoring or test environments.…
-
How to Monitor Mobile App Performance with Synthetic Testing
Learn how to monitor mobile app performance with synthetic testing and RUM. Simulate user flows, track APIs, and ensure seamless app experiences.
-
Monitor Web App User Journeys with Browser Tests in Middleware
Every click and form submission matters in your web app. Middleware’s browser tests help you monitor full user journeys, catch hidden issues like JavaScript errors, layout failures, or broken logins, and fix them before they frustrate your users.
-
What Is Real User Monitoring (RUM)?
Managing user experience has become more crucial then ever before! Real User Monitoring (RUM) plays an integral part in debugging an application from users point of view. Know more about RUM, its benefits, its best practices and more:
