To check if an image has alt text, try selecting the image with your screen reader on. or manually "Inspect" the image in any browser.

Alt text makes images more accessible to blind users and others who use screen reader software. Anyone can add alt text to images, but it’s currently not required.

You can add alt text to images on Twitter to aid visually impaired users encountering your tweets. You can add alt text using the Twitter mobile app by tapping the ...

"Alt Text" is short for "alternative text" and is sometimes referred to as an "alt tag." It is a short text description of an image that is used when the image itself cannot be viewed. Think of it as ...