Practice Code Splitting & Lazy Loading (1.3.1) - Advanced Front-End Development
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Code Splitting & Lazy Loading

Practice - Code Splitting & Lazy Loading

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Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is code splitting?

💡 Hint: Think about why loading everything all at once might not be effective.

Question 2 Easy

What does React.lazy() do?

💡 Hint: Consider what happens in your code when components are not used immediately.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the primary benefit of code splitting?

A) It decreases file sizes.
B) It improves initial load times.
C) It helps with caching.

💡 Hint: Think about how quickly you can access parts of your application.

Question 2

True or False: Lazy loading can improve the performance of web applications.

True
False

💡 Hint: Consider the benefits of loading only essential resources at first.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Create a multi-page React application that implements both code splitting and lazy loading effectively. Describe your implementation strategy.

💡 Hint: Sketch your routes and components, deciding which ones are essential for the first load.

Challenge 2 Hard

Analyze a poorly performing web application and suggest how code splitting and lazy loading could be used to improve it. Provide specific examples.

💡 Hint: Consider user interactions and how they relate to loading resources.

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