How to set the ALT tag for beginners

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A few days ago to see an article, asked the picture alt attribute how to write the best:

1. A single keyword, which is the keyword you want to rank

2. A brief description of the picture

3. Proper stacking of several related keywords

The following triggered a large number of users of the discussion, the choice of 1 and 2 of the majority.

So I wonder why this question still needs to be discussed. It's obviously 2.

This is a very simple question. If you want to ask me why, then I tell you, you stand in the user's position to consider, it is not difficult to choose.

Just imagine: If I was visiting the station, I came to your website, happened to your picture failed, then the position of the failure will appear alt label.

For option 1: If you wrote only one keyword, I still don't know enough about your original picture.

For option 3: If you stack multiple keywords, that's even more outrageous.

For option 2: If ALT is a short description of the picture, the user will soon be able to understand the meaning of your original image.

People who stand on the top of the rankings may choose 1 or 3, because they will consider alt as a factor in increasing the keyword density.

People who stand on the user's point of view will definitely choose 2, as they will take alt as a picture of the failure of a user to make up.

Because the correct answer is 2. So only consider the rankings, but the rankings go down, and take into account the user experience, ranking is up.

The above just use ALT tag to demonstrate the relationship between user experience and SEO rankings.

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