Seo basic concept: Alt-replace attributes

Source: Internet
Author: User

Alt-replace attributesThis label is used to describe the images on the webpage. The prompt message displayed when the cursor is on the image is implemented.

From the perspective of Seo and user experience, alt-replace attributes are necessary and their importance mainly includes:

  • The relevance of webpage content is a prerequisite for keyword optimization. Search Engines believe that images on webpages should be related to webpage themes. In turn, when a search engine wants to determine the keywords of a webpage, the alt-replace attribute of the image is a trusted reference point. Therefore, do not forget to add keywords for the webpage in the alt-replace attribute of the image.
  • Sometimes, for some reasons, such as the use of screen readers, low bandwidth, and network barrier, the images on the Web page cannot be displayed. Descriptive alt-replace attribute can tell the user the content of this location to add a user experience. Regular websites should do this.
  • Sometimes, if you do not have alt-to replace the attribute, you may not understand what the image represents and why it is stored on the webpage.

Alt-replace attributes

Worst (but most common ):

 

Slightly better (but did not tell the user the specific content ):

 

Optimal (simple description of image content and nested keywords ):

 

To avoid this problem (it may cause spam ):

 
From: http://www.seowhy.com/37_55_zh.html
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