Creating alt text for images requires some work. Rather than using generic terms, it should be descriptive, not like a mini meta description. Keep in mind that an alt tag can be as long as 125 characters. A short, informative, and keyword-rich description will be more effective. If you’re not sure how to write an ALT tag, read your web pages aloud and decide for yourself if the images are useful or not.
An ALT tag is used to describe the content of an image. While it’s important to make the text as specific as possible, it should not be a full-blown sentence or paragraph. Ideally, an alt tag should be 100-125 characters long and contain one or two keywords. It doesn’t have to be long or elaborate, but it should be detailed and descriptive. When writing an ALT tag, make sure you include the keywords you’re looking for.