What are the functions of the alt and title attributes in the img picture tag

This article mainly introduces the role of alt and title attributes in img picture tags, has a certain reference value, interested friends can refer to, I hope you can learn a lot after reading this article, the following let Xiaobian take you to understand it.

Img syntax:

Of course, you can also add class to set up equipment that requires css, and it is also necessary to add tricks such as width and height border directly in img.

Introduction of title and alt in img tags

1 、 title

The picture implies the property, and when the mouse moves on the picture after setting the equipment, it indicates the content of the title setting equipment.

2 、 alt

Picture depiction attribute

When the picture cannot be displayed, a "fork" appears and shows the alt mode at the same time, which is also an attribute that describes the form of the image. Set the equipment for SEO optimization so that the search engine is familiar with the mode of the image.

Alt and title may be configured at the same time, usually in the form of communication, so that the search engine grabs the image alt and title description remain different.

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