Alt text is a short text description of an image published to the internet that can be read aloud by accessibility programs for the blind and visually impaired, including screen readers.

But there's another reason to include alt text: Google and other search engines use alt text to better understand your photos' content, which affects your website's page ranking in search results.

While alt text is not required, you should strive to add useful, well-crafted alt text to every image you publish via WordPress so all users and search engines can better understand your content.

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Because alt text describes the image to a visually impaired person, try to make the alt text as useful as possible. That will also help search engines rank your web pages appropriately for relevant keywords. Here are some things to keep in mind:

2. Add the image to your media library, either by browsing or dragging it to the web page.

3. After the is uploaded, the Attachment Details page should appear on the right side of the screen. Enter a description of the image in the Alt Text field.

4. Complete any other entries you need to add, such as the caption and media credit.

5. Click "Insert into post."

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What is alt text in WordPress? How to add image descriptions on your web page to improve accessibility and web - Business Insider India