ALT tags for images: what they are, what they are for, and how to optimize them for SEO.

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Alt text (alternative text), often known as “alt attributes,” “alt descriptions,” and, more incorrectly, “alt tags,” is a description of an image’s appearance and functionality that is included in the HTML code. The “alt tag” HTML property must be added to the image tag for crawlers to have a text equivalent for images. This attribute may also be referred to as an “alt attribute” or an “alt description.” The position of an online store in search results can be enhanced by including photos in alt tags, such as those for items.


Use Alt Tags.

At the very least, finish the alt text field. The absence of the “alt tag” is one of the most frequent SEO mistakes. For two reasons, that is poor search engine optimization:
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Images are useless to search engines without alt text, and you’ve also lost out on a possible keyword. If images are not labelled, users with disabled images in their browsers or who suffer from visual or cognitive problems will be negatively affected.

Alternative data is referred to by the abbreviation “Alt text.” Alternative text is defined for user agents that do not allow the display of graphics, forms, or applets following the World Wide Web Consortium’s (W3C) definition of the “alt” element. The user agent Googlebot cannot “see” images in their original state. Instead, it looks at the image’s alt tag to determine its subject before determining what to display in search results.

alt text importance


A core principle of accessible web design is including alternative text for images. It was created with guests who are visually handicapped in mind, and this purpose still holds today. This includes those who use screen readers or image-blocking browsers and those who are visually impaired or otherwise unable to recognise an image. If you add alternate text explanations with your images, all viewers, regardless of their visual capabilities, will be able to experience the material on your website fully.

Image SEO

When you include alt text to your images, you’ll not only be enhancing the user experience, but you might also experience some immediate and indirect SEO benefits. Alt text and best practices for photo file names and titles could improve image Digital marketing company for SEO.

It’s not a good idea to leave the interpretation entirely up to the crawlers, even if search engines’ image recognition capabilities have significantly improved over the years. This is because they still can’t “see” the images on a web page as we can. If they follow your directions incorrectly, you can find rankings for keywords you never planned to target.

What is good alt text?

Specify the image.

The main purpose of alt text is to provide a linguistic description of an image for those who cannot view it. An image should be in the CSS and not the HTML if it merely serves as a visual aid and doesn’t provide any more context.

Shorten it.

At most, the alt text should not exceed 125 characters. Historically, it was advised to stop reading alt text at 125 characters for popular screen readers. Even though the previous rule is no longer valid, it is still helpful guidance for authors and seo services columbus specialists. For further details on providing lengthy descriptions in the alt text for complex images, see point 7 below.


Your target keyword has a second chance to appear in an image’s alt text, allowing you further to emphasize its importance to a particular search query. If it makes sense, put your keyword in the alt text of at least one image on the page, but remember that the image’s description and context come first.

Avoid overusing keywords.

Google won’t penalize you for having poorly written alt text, no matter how bad it is. Alt text is a great opportunity to include as many relevant keywords as possible, but doing so will get you into trouble. If possible, include your target term in a brief description of the image in the alt text and leave it at that.

Don’t use images as text. 

Actually, this is more of a general SEO-friendly web development principle than being exclusive to alt text. Search engines cannot read the text contained in photographs; therefore, avoid using them as substitutes for words. If necessary, use the alt text to offer context for your image.

Alt tags’ purpose

Images can play a significant role in how users interpret a website, yet search engines and other robots cannot do so. One method to get around this is to use alt tags, which give the text that search engines can read. When Googlebot or other search engine crawlers review a website, images with properly written alt text affect how it is indexed and ranked.

Screen readers and image-incapable browsers who view websites benefit from alt tags.


When writing alt text for online content like blog posts and web pages, where do you even start? You might wish to quickly examine your material to see whether any untagged photos could use alt text. As you modify the alt tags on your pages, pay attention to how much organic traffic has changed. Make as many of your photos SEO-friendly Columbus digital marketing as you can to enhance your SEO strategy.


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