Free Image Alt Checker Tool

📌 What is Free Image Alt Checker Tool?

Fetches any URL, extracts all img elements, and reports which images have missing alt attributes, empty alt attributes, and properly filled alt text. Shows a table of all images with their source URLs and ALT status.

Image alt text plays an important role in both SEO and website accessibility. Search engines use alt attributes to understand image content, while screen readers rely on alt text to describe images for visually impaired users.

Our Free Image Alt Checker Tool helps you instantly scan your website and identify images with missing, empty, duplicate, or poorly optimized alt text so you can improve image SEO and accessibility performance.

Google and SEO experts recommend using descriptive alt text to help search engines better understand page content and improve image search visibility

🎯 Why It Matters for SEO

Missing alt text fails two important goals simultaneously: it prevents visually impaired users from understanding images (an accessibility violation), and it prevents search engines from indexing image content (lost image search traffic).

Search engines cannot fully understand images without descriptive metadata. Alt text provides context that helps Google index images correctly and improve topical relevance.

Benefits of optimized image alt text include:
- Better image search rankings
- Improved accessibility compliance
- Enhanced user experience
- Stronger page relevance signals
- Increased organic traffic opportunities
Many SEO professionals also consider image optimization increasingly important for AI-powered and visual search engine

📋 How to Use This Tool

1. 1 Enter the URL to check
2. 2 Click Check ALT Tags
3. 3 Review the Missing and Empty counters
4. 4 Prioritise fixing Missing ALT images first (no attribute at all)
5. 5 Write descriptive, keyword-natural alt text for each image

❓ Frequently Asked Questions