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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


# Introduction


The Critical Rendering Path is just the steps that browsers take to convert the HTML, CSS, and JavaScript into what a web page looks like. The browser won’t always necessarily touch every part of the pipeline on every frame. Visual changes are made with JavaScript, CSS, or Web Animations. There are three ways the pipeline normally plays out for a given frame when you make a visual change.


# 1. JS > Style > Layout > Paint > Composite

If you change a “layout” property, which is a property that changes an element’s geometry—like its width, height, or its position at the left or top—the browser will have to check all the other elements and “reflow” the page. Any affected areas will need to be repainted, and the final painted elements will need to be composited back together.


So, to avoid expensive browser reflows, it is best not to make changes that affect the layout of a page.

High rendering performance can make or break your website. Let's learn about it now!

Introduction

Network

Security

Optimizing Loading Performance

Optimizing Browser Rendering Performance

Search Engine Optimization

System Design

APIs

Testing

Version Control

Task Runners & Bundlers

Conclusion

Rendering Performance

Introduction