Why your app is slow—debug with DevTools

Why is your app so slow? Let’s debug! 🕵️‍♂️💻

In this video, we dive into one of the most common issues developers face—slow web apps. Using the "Network" tab in DevTools, Andreas, CEO of toddle, will show you how to uncover what’s causing the lag. From spotting slow-loading assets to analyzing server response times, you’ll learn how to identify bottlenecks and optimize your app for performance.

🔥 What you’ll learn
— How to use the Network Tab like a pro
— Common issues that slow down web apps
— Simple steps to debug and improve app performance

Whether you’re a beginner or a seasoned dev, these debugging tips will help you make your app faster and smoother! ✌️

📚 Chapters
00:00 - Introduction to Browser DevTools
01:00 - Opening DevTools in Chrome
02:49 - Network Tab Overview
04:31 - Analyzing Initial Document Request
09:13 - Different Types of Requests
14:54 - Waterfall Chart Insights
17:16 - API Requests and Proxying
23:38 - Performance Optimization Tips
24:59 - Closing Remarks

Try toddle here 👉 https://toddle.dev/signup?utm_medium=youtube

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🐦 Follow https://twitter.com/toddledev
💬 Join https://discord.gg/toddle

What is toddle? 🤷‍♀️

👨‍🎨 Designers implement design in a Figma-like UI
👨‍💻 Developers build logic with React-style functionality

toddle is an open-source web app builder crafted for professional product teams. It combines the power and performance of proven frameworks like Angular, Vue, and React with a fully visual environment, delivering the same robust capabilities in a more intuitive and streamlined workflow. By enabling Developers and Designers to collaborate in the same tool, toddle eliminates the dreaded handover process and fosters seamless teamwork.

Feature highlights:
✨ Open-source (coming 2025)
✨ Access to any database and API
✨ SSR out of the box
✨ Built-in Git-style branching and merging
✨ Export and embed web components
✨ Customise every single pixel
✨ Community packages

... toddle is a new way to build software, and it's fast.

We use toddle to build toddle 🤯