Browser DevTools for Beginners: Debug and Analyze Websites
Learn to navigate essential browser developer tools to inspect layouts, debug JavaScript errors, analyze network traffic, and test mobile responsiveness.
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AI instructor
Ask about any lesson and get a clear answer instantly, anytime. -
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Start anytime
No schedules or deadlines โ learn at your own pace, whenever suits you. -
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In English
Lessons, tasks and certificate โ all fully in your language.
About this course
Every modern web developer and QA engineer needs to know how to peek under the hood of a website. Browser Developer Tools (DevTools) are the ultimate built-in toolkit for inspecting, debugging, and optimizing web applications directly in your browser. This text-only course guides you from complete beginner to confidently navigating DevTools. You will learn how to diagnose errors, inspect layouts, monitor network traffic, and evaluate site performance through clear written explanations and practical step-by-step examples. What you'll learn: Understand the core terminology and layout of modern browser developer tools; Inspect and modify HTML elements and CSS styles on the fly to test layout changes; Debug JavaScript errors using the Console and set up breakpoints to pause execution; Analyze network requests to monitor API payloads, response times, and status codes; Test responsive designs by simulating various mobile devices and network speeds; Audit website accessibility and performance basics using modern built-in tools. The course starts with foundational definitions and navigating the main tabs, then moves into hands-on debugging scenarios, network analysis, and performance optimization techniques. It is designed for beginner web developers, QA testers, and tech enthusiasts with no prior DevTools experience. Start reading today to unlock the hidden power of your web browser.
What you'll get
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Certificate of completion
Add it to your LinkedIn profile -
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Personal AI tutor
Stuck on a lesson? Ask your built-in tutor anything, any time. -
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Audio version included
Learn on the go โ no screen needed -
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Lifetime access
Come back anytime, no expiry -
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Phone or computer
Works anywhere, any device -
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14-day refund
No questions asked -
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Short & focused
3h of practical content
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Frequently asked
What do I need to take this course? +
Just a phone or computer with internet. No installs, no special hardware.
How do I pay? +
By card via Stripe. We donโt store card details โ Stripe handles them securely.
Can I get a refund? +
Yes โ full refund within 14 days, no questions asked.
How long will I have access? +
Forever. Once you purchase, the course is yours to revisit anytime.
Will I get a certificate? +
Yes. On completion you'll receive a certificate you can add to your LinkedIn profile.
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