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The ultimate guide to web development interviews. Developed by FAANG engineers, practice with real-world interview questions covering network security, system design, SEO, APIs, and more.

oct6.tar.gz

server

JavaScript

Grunt

webpack

webpack-loaders

Grunt-eslint

ProgressiveRendering

webpack-code-splitting

This course compiles a comprehensive range of questions that are most likely to be asked during the frontend interview. Where many interview prep courses focus on data structures and algorithms, this course focuses on a variety of topics from network security to system design.

In this course, you will solve interview questions that cover general aspects of web development. You’ll start by going over network security and optimization techniques for load balancing and browser rendering. After that, you’ll move on to interview questions around SEO, APIs, and system design.

Overall, these are questions that are often overlooked, but they can really make you stand out from your peers. By the end of this course, you will have the confidence and ability to go in and ace that interview.

Web Development Interview Handbook

Website owners have control over the speed of the DNS resolution for each of their users.

Website owners have control over the speed of the DNS resolution for each of their users.

The amount of time it takes the website to load fully.

The average amount of time it takes for the first byte of each file to be received. 

The amount of time it takes the first byte of the web page to arrive, i.e., the time it takes to start loading. 

What is “time to first byte”?

It determines when the website starts loading, which makes the browser start rendering parts of it and curbs the wait time.


It helps with compressing the website's assets.

It determines the rendering quality of the website, which is a key factor in user-conversions.

Why is time to first byte important?

Which of the following is an acceptable TTFB?

Which of the following is an acceptable TTFB?

Gzip is used to compress files, including images.


Gzip is used to compress files, including images.

Suppose you visit a website once (no login) and it takes about 4 seconds to load. However, the second time you visit it, it takes 1 second and also you notice your system's memory has depleted. What has likely occurred? 

Suppose you visit a website once (no login) and it takes about 4 seconds to load. However, the second time you visit it, it takes 1 second and also you notice your system’s memory has depleted. What has likely occurred?

Which of the following is a way to reduce page loading time?

Which of the following is a way to reduce page loading time?

Doing so provides an added layer of security.


Doing so gives the user more control over which geographical location they get served from.


What are the benefits of serving assets from multiple domains?

What are the benefits of serving assets from multiple domains?

Test yourself on increasing website speed.

Introduction

Network

Security

Optimizing Loading Performance

Optimizing Browser Rendering Performance

Search Engine Optimization

System Design

APIs

Testing

Version Control

Task Runners & Bundlers

Conclusion

Optimizations: Quiz