When publishing articles in WordPress, after uploading an image, there is a field to fill in the alternative text. What is the purpose of this alternative text?
The Purpose of Alternative Text
The purpose of this alternative text is to tell search engines what the image is about, because search engines cannot see the image content like humans do; only when you tell them will they know.
After adding it, you can see the alt tag in the website source code, as shown below:
What is an ALT Tag?
The alt tag is actually a text prompt for images on the website. Adding keywords to the alt tag is a good way to improve keyword rankings, but note that it does not increase keyword density.
Reference: https://baike.baidu.com/item/alt%E6%A0%87%E7%AD%BE/9682416?fr=aladdin
How to Automatically Add ALT Tags?
Naibabiji recommends manually filling in the ALT tag when uploading images. If you find it troublesome, you can also consider using a plugin to automatically add ALT tags, for example:Automatically Add ALT and Title Names to Images in WordPress