ALT Tags stand for Alternate Tags, which are used to describe our image in the HTML coding of the website. Alt Tags helps a lot to improve the SEO of our page.

Characteristics of ALT Tag

  • AKA “alt attribute” and “alt description,” 
  • Used to provide a text description for search engines. 
  • The location of the ALT tag in HTML code is after the image tag.

Example: image tag: <img src=”makeupkit.jpg ” alt=”Loreal_mascara” />.

  • The limit of characters in ALT Tags is 125

Use of ALT Tags

  • It is a crucial and huge part of web accessibility. Those who are visually impaired (have entirely lost the eyesight or can’t see clearly) use a screen reader to read the image and what it is related to. And the screen reader depends on ALT Tags.
  • If the image in your website cannot be loaded due to various reasons (slow network especially), the browser displays ALT Tag and makes the users know what image was included.

Difference between Image Title and ALT Tags

People often think that Image Title is the same as ALT Tags, but Nah-uh, they are not the same. There is a significant difference. You can see the differences in the table.

Image Title ALT Tags
Provides additional information about the image Describes the image for the search crawlers and the user who uses a screen reader
Very less importance for SEO rankings High importance for SEO rankings

How ALT Tags favor SEO ranking? (Importance of ALT Tags in SEO)

Researches show that Goggle users tend to search more for image content, making Google Image Search receive over a billion views in a day. This is the clear-cut sign that use of image and its authenticity and well description aids the searchers visit your page and aid you ranking in SEO. Thus it makes us clear that ALT Tags is a good player when it comes to SEO ranking.

How does the actual mechanism occur?

Search Engine Crawlers can know about the image (you have used ) with Alt tags’ help as they crawlers can’t see the text but automatically identify with the description provided. These crawlers index the image properties on Google.

How to write perfect ALT Tags?

  • Be more descriptive about the image(Use Who, where, why)
  • Use 4-8 words
  • Don’t exceed 125 characters
  • Do need to include dashes, just use spaces
  • Include Keyword in your ALT Tags but be sure not to do keyword stuffing
  • Don’t write ‘image of ‘or ‘picture of’
  • Avoid using irrelevant topics

How not to use ALT Tags!                   

Here you can see a picture of Nepali cuisine.

National Food of Nepal, Dal Bhat Tarkari

Below are some examples of how we can describe this picture in Alt Tags. Find out the correct one.

  • Asian Nepali dish

 <img src=”Food around the world.jpg” alt=”Asian Nepali dish” />

  • Nepali food, Dal Bhat Tarkari

<img src=”Food around the world.jpg” alt=”Nepali food, Dal Bhat Tarkari” />

  • National food of Nepal, The Dal Bhaat,Tarkari

<img src=”Food around the world.jpg” alt=”National food of Nepal, Dal Bhat Tarkari” />

The keyword for the blog is National food of Nepal.

If you opt for the option, you got it right, and I assume that you read the blogs with quite a concentration. Congratulations and Thanks at the same time.

Always remember the maximum 8 words, 125 characters, and use of one keyword.

Judging the ALT Tags

Let’s see the variety of Alt Tags that can help us in SEO ranking.

Dichromatic white cat staring at you

Satisfactory alt text: <img src=”cat.png” alt=”White Cat”>

Better alt text: <img src=”cat.png” alt=”Staring White Cat”>

Best alt text: <img src=”cat.png” alt=”Dichromatic White Cat staring at you”>


ALT tags are used to describe an image specially designed for readers using a screen reader. It displays on a web browser when your internet is slow. Alt Tags are crucial for SEO ranking. Thus you must be careful while writing these tags.