Free Image Alt Tag Checker
Scan your website for images missing alt tags to improve accessibility and image SEO.
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Why is Alt Text Important?
Alt text (alternative text) describes images to visually impaired users and search engines. It's crucial for web accessibility (WCAG) and helping your images rank in search.
Alt Text Best Practices
- Be specific and descriptive about what the image shows.
- Include context if the image serves a specific function.
- Use an empty alt="" attribute for purely decorative images.
Common Mistakes with Alt Text
- Stuffing keywords: Don't overload alt text with keywords. Keep it natural and descriptive.
- Using "image of" or "picture of": Screen readers already announce it's an image, so avoid redundancy.
- Making alt text too long: Keep it under 125 characters when possible.
- Ignoring decorative images: Use empty alt="" for purely decorative images.
Impact on SEO
Alt text is crucial for image SEO. Search engines use alt text to understand what your images depict, which helps them rank your content. Properly optimized alt text can drive traffic through image search results on Google, Bing, and other search engines.
Accessibility Benefits
Beyond SEO, alt text is essential for accessibility. Screen reader users rely on alt text to understand images. By providing descriptive alt text, you make your website more inclusive and usable for everyone.