Big Web Design Concepts to Know

Before we start building websites with HTML and CSS, it's important to understand the principles behind modern web development. In this lesson, we'll explore the core concepts that guide every website you create throughout this course. You'll learn about web standards established by the W3C, why website performance matters, how search engine optimization (SEO) helps users find your content, and why accessibility should be considered from the very beginning of every project. We'll also discuss the Web Content Accessibility Guidelines (WCAG), common assistive technologies, and practical ways to build websites that are usable by everyone. By understanding these concepts now, you'll be better prepared to make thoughtful design and development decisions as you begin creating websites. 00:00 Introduction: Why These Concepts Matter 00:41 Web Standards & Best Practices 01:46 HTML5 & Forward Compatibility 02:21 W3C & W3Schools Resources 03:22 Website Performance 05:44 Search Engine Optimization (SEO) 08:05 Introduction to Accessibility 10:42 Types of Disabilities 11:00 Vision Impairments 11:58 Mobility Impairments 13:05 Auditory Impairments 13:25 Cognitive Impairments 15:21 Building Websites for Everyone 16:51 Accessible Images & Alternative Text 17:41 WCAG Accessibility Guidelines 18:52 WCAG Compliance Levels (A, AA & AAA) 20:03 Section 508 Requirements 21:18 Accessibility Tools & UserWay 22:05 Accessibility Features Demonstration 24:29 Final Thoughts & Best Practices