Real-world web performance optimization for frontend developers (feat. React) - Part. 1

Thanks to the interest of many people , the web performance optimization lecture has been published as a book!

So, to celebrate the publication of the book, we are planning to hold a raffle for Part 1 and Part 2, giving away the book to two winners each, a total of four winners.
To participate, please leave a review of the course and leave your email address in the comments on this post.
For those who have already left a course review, you can just leave your email address in the comments, right? Haha

Event Period: ~ November 14, 2022

Book Introduction

The book covers both Part 1 (Blog Optimization, Olympic Statistics Site Optimization) and Part 2 (Homepage Optimization, Image Gallery Optimization).

The overall content is the same, but since it is a book, it includes detailed additional explanations, such as explanations of Lighthouse's performance indicators and other options.

YES24: http://www.yes24.com/Product/Goods/115209526
Aladdin: https://www.aladin.co.kr/shop/wproduct.aspx?ItemId=304371832&start=slayer
Kyobo Bookstore: https://product.kyobobook.co.kr/detail/S000200178292