Bulk URL Analysis
Paste up to 30 URLs at once and get a complete alt tag audit for every image across all pages simultaneously.
Instantly audit image alt attributes across multiple URLs or deep-scan an entire domain. Fix SEO issues, improve accessibility, and boost rankings.
One URL per line. HTTP/HTTPS required. Max 30 URLs.
We'll discover up to 20+ pages automatically via sitemap & crawl.
A complete image accessibility and SEO audit solution — no login, no limits on features.
Paste up to 30 URLs at once and get a complete alt tag audit for every image across all pages simultaneously.
Enter any domain and our crawler discovers 20+ pages via sitemap parsing and link following, then audits every image.
Each image is classified as: OK (descriptive alt text), Empty (decorative), or Missing (alt attribute absent).
Download a full CSV report with URL, image src, alt status, and alt value — ready for your SEO workflow or client report.
Get an overall site-wide alt compliance score out of 100 based on the ratio of images with meaningful alt text.
Alt tag auditing directly improves WCAG compliance and screen reader support — benefiting both SEO and disabled users.
Paste multiple page URLs in bulk mode, or enter a domain for automated page discovery.
Set timeout, concurrency, and filters like flagging short or empty alt values.
Pages are fetched and all images parsed in real-time with live progress updates.
Get a detailed, filterable report. Copy, download CSV, or share results instantly.
Image alt tags — formally known as alternative text attributes — are HTML descriptors assigned to <img> elements that serve a dual purpose most website owners overlook. At their core, alt attributes were designed to describe image content to users who cannot see visuals: screen reader users, visually impaired visitors, and browsers that fail to load images. But over two decades of search engine evolution have elevated alt tags into a critical on-page SEO signal that directly influences how search engines index, understand, and rank your visual content.
When Google's crawler encounters an image, it cannot "see" the picture the way a human does — it reads the surrounding text, file name, and most importantly, the alt attribute to infer context. A page filled with images lacking alt text leaves search engines guessing, reducing your chances of appearing in Google Image Search and weakening the topical relevance signals on your page. Conversely, pages with thoughtfully written alt text tend to rank better, attract more organic traffic from image-based queries, and score higher on accessibility audits.
Missing alt tags are also a WCAG 2.1 compliance issue. For businesses serving diverse audiences or operating in regions with digital accessibility laws, this isn't just an SEO concern — it's a legal one. Empty alt text (alt="") is acceptable for purely decorative images, signalling to assistive technologies to skip them entirely. But every informational image needs a concise, keyword-aware description.
Regular alt tag audits using tools like this checker help you maintain image SEO hygiene across large websites where manual checks are impractical. By scanning bulk URLs or entire domains, you can quickly identify missing attributes, flag suspiciously short descriptions, and generate exportable reports to guide your content team. Think of alt text not as a checkbox but as a conversation with both your users and search engines — one that, when done right, consistently pays dividends in rankings, accessibility scores, and user experience.
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