Debugging Your Website with Fiddler and Chrome Developer Tools

Explore advanced web debugging techniques using Fiddler and Chrome Developer Tools in this comprehensive conference talk. Learn how to troubleshoot complex multi-device websites effectively with these powerful, free tools. Dive into Chrome Developer Tools' features for client-side JavaScript debugging, live DOM inspection, and CSS rule analysis. Discover how to leverage the network tab to examine request and response details, including the "initiator" column. Gain insights into profiling, auditing, and network throttling capabilities, as well as device size emulation for responsive design testing. Master Fiddler's traffic modification abilities, both manual and programmatic, and utilize its auto responder feature for mocking responses and simulating latency. Explore the composer tool for crafting specific requests and learn how to capture and modify traffic from various devices and platforms. Cover essential topics such as HTTP GET requests and responses, JavaScript errors, CSS style issues, performance concerns, mixed content warnings, and wireless proxy settings. Equip yourself with the knowledge to efficiently debug and optimize modern web applications across multiple devices and platforms.