Image Alt Tag Checker
Scan your webpage to ensure all images have properly defined image alt tags for better SEO and accessibility.
Scanning webpage for images and analyzing alt tags...
Understanding Image Alt Tags
- Alt Text: Describes image content for screen readers and when images fail to load
- SEO Value: Helps search engines understand and index your images
- Accessibility: Essential for users with visual impairments using screen readers
- Best Length: Keep alt text under 125 characters for optimal screen reader performance
- Decorative Images: Use empty alt="" for purely decorative images
- Context Matters: Alt text should describe the image's purpose in context
Alt Tag Examples
❌ Poor Alt Tags:
<img src="image1.jpg" alt="image">
<img src="photo.png" alt="photo of something">
<img src="banner.jpg"> <!-- Missing alt attribute -->
✅ Good Alt Tags:
<img src="team.jpg" alt="Marketing team celebrating project success in office">
<img src="chart.png" alt="Sales increased 40% from Q1 to Q2 2024">
<img src="decoration.svg" alt=""> <!-- Decorative image -->
Alt Tag Best Practices:
- Be descriptive but concise (under 125 characters)
- Focus on the image's purpose and context
- Don't start with "Image of" or "Picture of"
- Include important text that appears in the image
- Use empty alt="" for decorative images
- Avoid keyword stuffing
- Consider the surrounding content context
When Alt Tags Are Critical:
- Product images in e-commerce
- Informational graphics and charts
- Images that convey important information
- Logos and branding elements
- Images used as links or buttons