What is Alt Text and Why It is important?

Before writing anything about “alt text” I want to place a semantic note that it is “alt text” not “alt tag”. Alt is not a tag rather it is an attribute and alt text is the content of alt attribute.

This attribute we use to add to an image to describe it. This helps users as well as search engines to understand the image. This text for an image completely depends on the contents of the page.

For better understanding, Lets take an example of this image:-


image source:

We can use different alt text with the same image according to the context. If this image is used with an article about goggles then we might use alt text as “lady wearing Goggles” but the same image when used with an article on knife then we might use “lady showing knife”.

So here what we noticed is that the alt text of an image tells the user about it depending on the context in which the image is used.

Now Why Should we use Alt text?

There are 2 solid reasons to use Alt Text:-

1. Alt stands for Alternative and as the name suggests it is visible on the people’s browser who have blocked images to load. Yes there are a number of people who usually blocks images to load because of slow internet connection, then at the time of reading an article they cannot see the image but if you have attached alt text with it then that text will be shown instead of image.

2. Secondly, Let me tell you if you don’t know that search engines cannot crawl images they index the text part which is attached with it. In short, the alt text or image name (say red_rose.jpg) hich we provide with an image is indexed by SEs.

Suppose there is an image of red rose and you give it a name “Red_Rose.jpg” and attach an alt text “red rose for princess” then SEs will read these texts and add this information with the image while storing it in its Database. So when any one searches for Red Rose or rose for princess then this image might be shown in search results.

Alt Text for images plays an important role in SEO because while performing image search people might find the images with the Alt Text attached to it. Its good to put alt text with each and every image and for good SEO practices its much better to write the alt Text after a good keyword research according to the content of the site.

How to add an alt text to the images 

Adding an alt text to images is quite easy. Even when you upload images in certain CMS(i.e. WordPress) then you get an option to put there But If you have not any option then you need to do it like this:-

<img src=”” alt=”E-commerce SEO Guide”> 

So, I think you might understand the importance of alt text. Have any doubt? Or Question?

Then Please do let me know via comments

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