🖼️ Picture Alt Properties Checker

What is the image Alt attribute?

Alt is <img> . The image is not loaded, the user uses a screen reader or the search engine to capture the picture, depending on which image is understood. For SEO, Alt is an important signal of the image entering the photo search results; For accessibility (a11y), it is the basis for compliance and experience.

What's this tool for?

When you paste the page HTML, the tool will parse all img Label, statistics:

• Alt:Existence and non-empty, readable description
• empty Alt:alt="", often used for decorative pictures
• Alt:Total not att properties (prior fixation)

Also give SEO integrity ratings and support the screening of the list of images by status to facilitate comparison.

Writing: Okay, Alt, what does it look like?

• Description, not filename:The blog is a "red running shoe side view" and not an "IMG 1234".
• Simplicity and precision:In general, 5-15 Chinese words/speeches are sufficient to avoid stacking of paragraphs.
• Nature has keywords:You can incorporate page theme words, but you are not allowed to stack keywords.
• Alt:Pure split lines, background texture, etc. for uninformationable pictures alt=""。
• The functional chart says the result:button to write "Current orders" instead of "Invest them" only.

Common Errors

1. A lot of pictures are missing att, especially CMS, which forgets to fill out
2. All pictures are written in the same line as "product pictures."
3. Put the entire ad file in, alt.
4. Put key information in the diagram, not repeat it (accessibility and SEO loses)
5. Write the decorations into a long description. The screen readers are making a lot of noise.

Recommended Workstream

1. Browser Opens the target page → Views source code / Export HTML Snippets
2. Paste to a tool to process "missing Alt" first
3. Check if the empty Alt is really a decorative map.
4. An accurate description of the content diagram, backfill CMS or code
5. Show and accessability checkup on the search console

Relationship with Core Web/ Accessibility

Alt does not in itself directly equal the LPC fractions, but the image optimization is often done with the size, laziness, format (WebP/AVIF). Accessibility audits (e.g. WCAG) check meaningful alternative texts. This tool focuses on "Is Alt written up" and does not replace full access auditing.

Capacity boundaries

• No crawling, you're required to supply HTML.
• No automatic changes to line code, only tests and scores
• Not to judge whether the alt file is “good enough”, but to distinguish between yes/no/no
• The analysis was done locally in the browser, and your source code was not passed by default

FAQ

What's the difference between empty and missing Alt? Empty alt="always used for decorations; There is no alt attribute at all, usually a problem.

What's the score? Calculates the completeness of Alt / empty Alt / missing Alt.

- Is the data going to pass? No, HTML's local resolution on the browser.

Support the whole station scan? Current HTML Snippets/page Source Analysis, not a whole-stop reptile.