Alt Text Quality Report
Find missing, empty, and low-quality alt attributes that hurt accessibility scores and image search visibility.
Free Image SEO Auditor
Catch image SEO issues that hurt accessibility and performance.
Example result — enter a URL to run your own
Image Coveragepass
Pages: 10 | Image refs: 34 | Unique images: 22
Alt Text Qualitywarn
Missing alt: 3 | Empty alt: 1 | Non-descriptive alt: 2
Performance and Errorswarn
Broken images: 1 | Oversized images: 2 | Lazy-loaded refs: 8
| https://example.com/images/hero.webp | 200 | 239 KB | 3 | 3 | none |
| https://example.com/images/banner.png | 200 | 1387 KB | 2 | 2 | missing alt | oversized (1.4 MB) |
| https://example.com/images/old-logo.jpg | 404 | - | 1 | 1 | broken (404) |
Alt text audit Image response check File size analysis Lazy-loading detection
What is Image SEO Auditor?
The Image SEO Auditor crawls image references, validates fetch health, and checks alt-text quality patterns. It helps teams improve image discoverability, accessibility, and page efficiency.
Why it matters for SEO: Images drive traffic through Google Images search, improve accessibility scores, and directly affect Core Web Vitals performance. Missing alt text hurts both search visibility and WCAG compliance.
Accessibility Compliance: Audit all images for missing or low-quality alt attributes to meet WCAG 2.1 guidelines and improve screen reader experiences.
Page Speed Optimization: Identify oversized images and missing lazy-loading attributes that inflate LCP times and degrade Core Web Vitals scores.
Broken Asset Cleanup: Find images returning 4xx/5xx errors that create visual gaps on your pages and send negative quality signals to search engines.
How to Use This Tool
- 1 Enter a site URL and choose page/image caps.
- 2 Run the image audit.
- 3 Review broken assets, alt-text issues, and size warnings.
- 4 Fix templates and media files, then rerun.
What You Get
Broken Image Detection
Check HTTP status for every image reference to catch broken assets before users and crawlers encounter them.
Performance Insights
Flag oversized images and missing lazy-loading attributes that slow page loads and hurt Core Web Vitals.
Frequently Asked Questions
Answers about Image SEO Auditor
The Image SEO Auditor works by analyzing your URL or input and returning an immediate, actionable report. Use the findings for fast SEO implementation and QA.
Yes, the Image SEO Auditor is free to use with no signup required. You can run checks instantly without paywalls.
Incomplete results usually happen when a website blocks automated requests or relies heavily on client-side rendering. Remote access restrictions can also limit what the tool can fetch.
Yes, these results are designed for practical client SEO audits and implementation handoff. They help teams prioritize fixes and validate outcomes quickly.