🔍 Supercharge Your Bug-Hunting: Frontend Recording and Source Code Localization in 2025

How to Quickly Pinpoint Online Bugs: A Developer’s Guide to Web-See Monitoring

🐞 Hunting down bugs in production can be a nightmare for developers. But what if you could see exactly what your users were doing when an error occurred? Enter web-see, a cutting-edge frontend monitoring solution that combines screen recording with source code localization to make bugs nowhere to hide.

This is the second installment in our frontend monitoring series. If you haven’t read the first part, “Building a Frontend Monitoring Platform from Scratch: An Open-Source Project to Boost Your Interview Game,” I highly recommend checking it out for context.

🎬 The Power of Playback

Imagine being able to watch a video of your user’s actions leading up to an error, complete with a red line tracing their mouse movements. That’s exactly what web-see offers in its monitoring dashboard. But it doesn’t stop there — you can also view the exact source code where the error occurred.

🗺️ Navigating the SourceMap Maze

When your frontend code hits production, it’s typically compressed, minified, and sometimes even…