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What is an ALT Tag? - ALT Tag Definition

An alt tag is an HTML attribute applied to image tags in order to procure an alternative text for search engines. It is also knowns as "ALT Attribute" and "ALT Description".

Applying alt tags to images positively impacts search engine rankings.

An ALT Tag's Purpose

Search engine robots cannot interpret images, therefore, ALT tags provide an opportunity for readability.

Alt tags are also beneficial for visitors on browsers that can't process images or on a screen readers' webpage.

Where are ALT Tags placed?

Alt text is included in the image tag:

doritos image alt text

Cautions for Using ALT Tags

  • Product images have to be optimized for site speed and contain the same keywords like the product page.
  • The text should be kept short and include the topic to maximize its impact.
  • Avoid keyword stuffing, because popular search engines do not respond well to it.

ALT Tag Related Terms

Graphic Interchange Format (GIF) and Animated GIF

Portable Network Graphics (PNG)

Search Engine Optimization (SEO)