Image Rules

Rules for image formatting and accessibility.

Rules in This Category

Overview

Image rules ensure that images are accessible and properly formatted.

Why Alt Text Matters

Alt text (alternative text) serves multiple purposes:

• Accessibility: Screen readers use alt text to describe images
• Fallback: Displays when images fail to load
• SEO: Search engines use alt text to understand image content

Best Practices

• Write descriptive alt text that conveys the image's purpose
• Keep alt text concise but informative
• For decorative images, use empty alt text ![](image.png)
• Describe charts and diagrams with their key data points

Example

![Bar chart showing 50% increase in sales from Q1 to Q4](sales-chart.png)