How to find missing alt attributes of images?

How to audit and identify alt attributes of images on your website

Key points to remember

Find the missing alt attributes of your web images

Method 1: Works with all CMS (Video Tutorial)

Method 2: Works only on Webflow

An alt attribute is a descriptive markup of an image on your website. It allows the search engine algorithm to understand what your image represents (because yes, search engines do not yet have vision and read code).

Why are alt attributes important?

‍Helpsearch engines
Develops the accessibility of your site: Alt attributes allow for example an audio description of what the image is for a visually impaired person.

What are the SEO benefits of having well-defined Alt attributes on your website?

‍Go upin search enginequeries.
‍Referenceyour images for image searches on search engines
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Method 1: Use the Chrome extension: detailed SEO extension

Do you do SEO? Then you probably know the Detailed SEO extension. If not, download it if you don't have it yet because it will become your best friend! One of its features allows you to check and extract a CSV file of images with missing alt attribute.
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Download Detailed SEO chrome extension
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Chrome Web Store: detailed SEO extension

Go to the web page you want to analyze and launch the extension by clicking on it!
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How to use Detailed SEO extension on page

Click on the image tab in the extension interface

Interface image tutorial - how to use detailed seo extension

Audit result and report
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Export the audit as a CSV file (if you have images without alt)

Super easy. Just click on : Export Incomplete Images

Open your CSV report and identify images with missing alt attributes

Once you have opened your CSV file, you can easily identify the missing images with the empty cells.

You have now identified all your images with a missing alt attribute!
All you have to do is correct them and wait for your SEO results to climb and bring your site closer to the top.