#Japan #Tokyo #C&R Agency #Next.js #React.js

Learn Next.js from Scratch!

Starting November 4th, 2025, C&R Agency is offering a free online course titled Next.js for Beginners. This course includes four sessions focused on teaching individuals, especially front-end developers and back-end engineers interested in front-end technologies, the essentials of Next.js.

Course Overview

The demand for Next.js, a powerful framework built on the popular React.js library, is rising globally. As many developers seek efficient methods to create high-performance web applications, mastering this skill has become crucial. This course will provide an in-depth understanding of Next.js, covering everything from the basics to advanced techniques.

Instructor

The course will be conducted by Kazuma Sekiguchi, the Chief Technology Officer at Comcent Co., Ltd., a company specializing in web development. With extensive experience in website design, programming, and system development, Kazuma will guide participants through the course using a hands-on approach.

Course Agenda

The course will consist of four sessions, each lasting from 19:00 to 21:00 JST:

1. Session 1: Introduction to React and Getting Started with Next.js
Date: November 4, 2025
Topics: Overview of Next.js, differences from React, project creation, basics of JSX, component creation, routing, form fundamentals, and data management with useState.

2. Session 2: Experiencing What Makes Next.js Unique
Date: November 11, 2025
Topics: CSS Modules or Tailwind for styling, layout introduction, routing expansion, dynamic routing, and useClient utilization.

3. Session 3: Understanding SSR and Data Fetching
Date: November 18, 2025
Topics: What is SSR? Mechanism behind server-side rendering, fetching data with server components, obtaining data from external APIs, and experiencing cache and revalidation.

4. Session 4: Client-side Data Fetching and Course Summary
Date: November 25, 2025
Topics: Client-side data fetching (SWR), combining SSR and SWR, organizing rendering strategies, and understanding the differences and applications of SSR, SSG, and SWR.

Requirements for Participants

To participate successfully, applicants should have:

• - A working understanding of React (equivalent to a beginner’s course).
• - Proficiency in JavaScript.
• - Basic knowledge of HTML and CSS is required.
• - Participants are recommended to have the latest Visual Studio Code with necessary extensions, the latest LTS version of Node.js, and Google Chrome installed on their devices (Windows 10 or higher, macOS version 11 or higher).
• - An internet connection at home is essential.

Please note that there will be no archiving of the sessions, so live attendance is mandatory. Additionally, the course will not cover deployments and will focus on standard JavaScript rather than TypeScript.

Who Should Attend?

This course is ideal for:

• - Web designers, coders, markup engineers, and web directors.
• - Anyone currently engaged in web development and wishing to enhance their skills in Next.js.

How to Register

Register for the course by clicking here. The registration deadline is November 4th, 2025, at 21:00 JST.

About C&R Agency

Founded in 1990, C&R Agency has been a pioneer in the creator agency field, providing various services to support creators in enhancing their careers and skills. Our mission focuses on improving the lifelong value of professionals through diverse initiatives. We continuously evolve to offer an environment where creators can maximize their potential. Visit our website for more details and upcoming events.

For related training services or inquiries about inviting Kazuma Sekiguchi for training sessions, please check the relevant sections on our website.