The Importance of Color and Contrast in Web Accessibility
The Importance of Color and Contrast in Web Accessibility When designing a website, visual appeal is important—but equally essential is asking, “Is it easy to use for everyone?” Color and…
2025
[Class Report] Introduction to System Development – Week 1: First Steps into Programming
Introduction to System Development - Week 1: First Steps into Programming A new school year has begun, and first-year high school students are starting their very first “System Development” class.…
[Learning Through Teacher-Student Dialogue] The Relationship Between Universal Design and Web Accessibility, and the Value of Their Integration
The Relationship Between Universal Design and Web Accessibility, and the Value of Their Integration Introduction: What Is Design That Everyone Can Comfortably Use? This article, as part of a high…
System Development Classes Expanding in High Schools: A Record of Growth Between Teachers and Students
System Development Classes Expanding in High Schools: A Record of Growth Between Teachers and Students Mr. Tanaka (pseudonym), a teacher specializing in system development at a high school, conducts weekly…
[What You Learn in High School] A Thorough Guide to the Importance of Web Accessibility, Global and Japanese Differences, and the Legal Obligation of Reasonable Accommodation
A Thorough Guide to the Importance of Web Accessibility, Global and Japanese Differences, and the Legal Obligation of Reasonable Accommodation Introduction: Creating a Web That Everyone Can Use This article…
How to Build Custom Components with Web Accessibility in Mind: A Practical Guide Based on WCAG
How to Build Custom Components with Web Accessibility in Mind: A Practical Guide Based on WCAG Who Is This Guide For? This guide is especially useful for: Web developers and…
[Explained] What Is “Predictable Behavior” in Web Accessibility? — Toward a Safe and Comfortable Web Experience
What Is “Predictable Behavior” in Web Accessibility? — Toward a Safe and Comfortable Web Experience Introduction: Why “Predictable Behavior” on the Web Matters Not every user who visits a website…
[Definitive Guide] Validation of Constraints and Error Handling in Web Accessibility
Validation of Constraints and Error Handling in Web Accessibility Introduction: Understanding “Constraints and Errors” Often Overlooked in Accessibility Implementation When designing websites with accessibility in mind, attention tends to focus…
[2025 Edition] Toward a Web Everyone Can Navigate Smoothly: What Is Input Support Accessibility?
Toward a Web Everyone Can Navigate Smoothly: What Is Input Support Accessibility? Introduction: The Importance of Web Accessibility and “Input Support” The internet is an indispensable gateway to information in…
[Comprehensive Guide] What’s the Difference Between Relational Databases and Vector Databases? –
What’s the Difference Between Relational Databases and Vector Databases? – Essential Knowledge for Modern Data Utilization Introduction: Why You Should Know the Difference With the growing prevalence of AI and…