Trình kiểm tra văn bản thay thế của hình ảnh

Cách sử dụng công cụ này

1. 1

   Paste the full URL of a public, server-rendered page into the input field.

2. 2

   Click Analyze to fetch the page on our server and parse its HTML.

3. 3

   Review the Total, Missing alt, and Empty alt counts at the top.

4. 4

   Scroll the per-image list (red = missing alt, yellow = empty alt) and copy the src values you need to fix.

Trình kiểm tra văn bản thay thế của hình ảnh là gì?

Các trường hợp sử dụng phổ biến

• Auditing a marketing landing page before launch to confirm no hero or product <img> ships without an alt attribute.

• Spot-checking a competitor's or client's live page to gauge how seriously they handle image accessibility.

• Triaging an accessibility complaint by getting a fast list of images that screen readers would announce as unlabeled.

• Reviewing a CMS template after a redesign to catch images where the author left the alt field blank.

• Building an SEO punch list, since search engines use alt text to understand images and missing alts waste that signal.

• Verifying that decorative images intentionally use alt="" rather than accidentally omitting the attribute entirely.

Câu hỏi thường gặp