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What is Alt Text in SEO - How to Write Alternative Description Tags to Images

The alt tag is used to provide a textual alternative for an image on a webpage. This can be helpful for people to be able to get a sense of what the image is. When writing alt text for SEO purposes, it’s important to be descriptive and specific about the contents of the image.

What is alt text in SEO?

Alt Text tags (Alternative Title Tags) are tags you add to images on your website to provide additional information about them that might be of use to users when they view them online or try to find similar images elsewhere on the web.

Image Alt texts are particularly useful for your SEO content strategy, as they allow Google and other search engines more detailed information about each individual image which may result in higher rankings for these images across all relevant search queries including those relating to closely-related topics/keywords where appropriate.

Why is alternative text in SEO important?

The alt text provides a textual description of the image which helps these individuals understand what the image is portraying. Additionally, alt text is also beneficial for search engine crawlers as it improves SEO. By providing relevant keywords in the alt text, you can improve your website’s ranking on SERPs.

Helps you rank for Image search and brings more traffic

Alt text can help you rank for image search. When people type in a keyword for images, alt text can help Google understand what they’re looking for and display your images higher in the search results.

Alt text also helps people find your images when they’re browsing through Google Images. If you have good alt text on your images, people might click on them just to see what they look like. This could lead to more traffic to your website from Google Images searches.

Provided better overall context of the page to Google

When you upload an image to your website, you have the option to add alt text. This field provides a brief description of the image that can help people understand what it is and why they might want to see it. Additionally, alt text can be used to improve click-through rates (CTRs) on images – especially when they’re used in conjunction with titles and descriptions in search engine results pages.

Google takes into account both the title and alt text when ranking images for certain queries. Including relevant alt text can help your images rank higher in SERPs, which can result in more clicks and conversions for your business.

Improves accessibility to web assets

Images are important for all web pages – they make the page easier to read, more visually appealing, and help in presenting the topic better. Alt text is also an important part of accessible web design because it provides a textual description of an image for visitors who are unable to see the image.

It is therefore important to have a good alt attribute for all your images. Crawlers still can’t “see” images as we can, so alt text also helps search engines understand the content of images, making them more likely to appear on search engine results pages.

How to write a good alt text in SEO?

When writing alt text, it is important to describe the image in your text and be specific. You should use both the image’s subject and context to guide you. In order to write an effective alt text, use your focus naturally to describe the image.

Use your focus keyword and its related keywords

It’s important to use your focus keyword and its related keywords in your alt text so that people who are looking for information about your image will find it.

You can also include other keywords related to your focus keyword in the alt text of any images featuring that keyword. This way, you’ll ensure that all of your images featuring your focus keyword are readily accessible to potential customers.

Be descriptive

Alt text should be descriptive and helpful, explaining what the image is and why it’s relevant to the keyword being searched. When writing the alt text, think about how you would describe the image to a blind person. That’s how descriptive the alt text should be.

By providing helpful information about your images, you’ll encourage users to click through to see more.

Don’t stuff keywords

When writing alt text, it’s important not to overdo it. Keyword stuffing in alt texts can cause SERP penalties and decrease the click-through rate of your images. Instead, focus on providing concise and relevant descriptions of your photos.

Examples of effective alt text in SEO

Descriptive alt text example

Alt text is extremely important because it’s one of the few ways to communicate information about an image to both users and search engine crawlers. By writing accurate, descriptive alt text, you’re giving both groups a better understanding of what the page is about. This can help your site rank higher in SERPs and give users a more accurate preview of what they’ll find on your page.

Descriptive alt text example

A good descriptive alt text for this photo could be:

<alt=”Jack Russel holding a blue bone dog toy in its mouth and running towards its owner in a park“>

Using a question in alt text example

This is a good example of using alt text to answer someone’s question.

Using a question in alt text example

<alt=” How to add oil to your car? a man adding oil to his car with the help of a yellow self-made funnel“>

High-intent keyword in alt text example

This is an example of a high search intent alt text.

High-intent keyword in alt text example

A good alt text for this image would be:

<alt=”Hard-boiled egg sliced on a white egg slicer and another boiled egg next to it“>

How to find alt tag suggestions and add alt tags in Outranking’s SEO content editor?

Outranking is an AI-powered content writing and optimization tool. Alongside the content, Outranking provides suggestions for SEO optimization of your title tags, headings, and alt text in images.

Here is a step-by-step instruction on how to optimize your alt text in images using Outranking editor.

First, click on SEO —> Optimization

click on seo optimization on outranking for optimizing the alt text

Next, click on Images

click on images for alt text optimization

Here, you will see if you have used your focus keyword in your alt text, and also suggestions on which keywords you should use.

To add alt text to your images, simply click on the image, add the alt text, and click Save.

add alt text to your image in outranking

And, you are done!

FAQ about what is alt text in SEO

How long should my alt text be?

An alt text should be no more than 100 characters long. However, it can be shorter or longer depending on the specific needs of your website and the type of image being uploaded.

Longer alt texts may be helpful for images with complex titles. Shorter alt texts are often used for images that don’t need any extra information, like logos, or photos of products.

Can I use a link for my alt text?

Yes, you can use a link for your alt text. This will help to improve the click-through rate (CTR) of your content and increase the visibility of your alt text in search results.

Adding a link to your alt text can help improve CTR and visibility for your content. Links also provide users with more information about the source of the content, which can lead them to other related pages on your website or purchase products from your website.