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What Are Some Alt-Text Best Practices For Your Website Images?

March 25, 2023

What Are Some Alt-Text Best Practices For Your Website Images?

Are you looking to make your website more accessible and user-friendly? If so, alt-text is an important tool that can help you accomplish this. Alt-text is a short description of an image that is used by screen readers and search engine crawlers to understand what the image is. In this article, we will provide some best practices for implementing alt-text on your website images.

We all want our websites to be optimized for both users and search engines, but often times it can be difficult to know where to start. Adding alt-text to your website images offers a great opportunity for optimization without much effort. By implementing these simple best practices, you can ensure that everyone who visits your website – regardless of their abilities or devices – has a positive experience.

Alt-text may seem like a small detail, but it’s an essential part of creating an inclusive and accessible website experience for everyone. In the following article, we will discuss why alt-text is important and provide some tips for creating effective and descriptive alt-text for your website images. Let’s get started!

Definition Of Alt-Text

Alt-text, or alternative text, is a short description of an image that appears when a user hovers over it. It’s an important part of web accessibility as it allows people with visual impairments to understand what the image is conveying. Understanding alt-text and implementing it correctly on your website can help make sure everyone can access your content.

Alt-text is also beneficial for SEO purposes as it helps search engine crawlers understand the context of images on webpages. This can help improve your website’s visibility in search results and give you an edge over competitors who are not using alt-text.

Alt-text can be used for all types of images, including logos, infographics, illustrations, charts, and photographs. When writing alt-text descriptions, be sure to include keywords related to the image and keep them concise yet informative. This will help both users and search engines better understand the content of your website’s images.

Purpose Of Alt-Text

“A picture is worth a thousand words,” but not all users can access those words. This is why it is essential for webmasters to include alt-text for their website images. Alt-text, also known as alternative text, provides a textual representation of an image for those who cannot see the image due to visual impairments or because they are using a screen reader.

Alt-text serves two primary purposes: improving web accessibility and providing better search engine optimization (SEO). For those with visual impairments, alt-text gives them the ability to access images on the web that they otherwise would not be able to view. For SEO purposes, search engines use alt-text to understand what an image contains and how it should be indexed in search results.

By including descriptive alt-text for your website images, you can ensure that everyone can access the content of your site regardless of any disabilities or technological barriers. This shows that you care about making your site accessible and embracing diversity – something every website should strive for.

Guidelines For Writing Alt-Text

Writing descriptive alt-text for website images is an essential part of optimizing your website for search engines. This text provides additional information to search engines and visually impaired users who use screen readers to navigate the web. Here are some useful guidelines to help you write effective alt-text for your website images:

Keep it briefUse keywordsAvoid redundant phrases
Describe accuratelyInclude context infoDon’t use irrelevant words
Avoid overstuffing keywordsFocus on the main message of the imageUse plain language that’s easy to understand

Your alt-text should be brief, yet descriptive enough for a person to get a sense of what the image shows. It should also be accurate and provide contextual information about the image. Additionally, avoid overstuffing keywords as this can hurt your SEO ranking. Instead, focus on conveying the main message of the image using plain language that people can easily understand. Finally, make sure to avoid using irrelevant or redundant words when writing alt-text for your website images. Following these tips will ensure that your website images are optimized correctly and accessible to all users.

Benefits Of Using Alt-Text

Having discussed the guidelines for writing alt-text, it is important to consider why using this valuable tool is beneficial. Alt-text offers a variety of advantages that can improve both the accessibility and usability of your website images. Moreover, utilizing alt-text has the potential to boost your SEO rankings, making it an invaluable asset when used correctly.

Firstly, having appropriate alt-text on your website images will make them accessible to users with visual impairments. Screen readers can interpret the text within images and use them as an anchor for navigation or search functions. This allows visually impaired users to access information from images that would otherwise be inaccessible to them. By providing alternative text descriptions for your images, you are helping these individuals gain access to content which would otherwise be inaccessible.

In addition to improving accessibility, having proper alt-text can also boost your SEO rankings. Search engines such as Google take into account user engagement when ranking webpages in their search engine results pages (SERPs). Using descriptive alt-text helps search engines understand what image content relates to and how it should be indexed in SERPs. This increases the chance of appearing higher up in SERP rankings which could potentially lead to increased traffic and conversions on your website.

Alt-text also improves usability by providing better context for images on webpages. Without proper alt-text, visitors may find it difficult to understand what an image is depicting or how it relates to the rest of the webpage’s content. When used correctly, alt-text can provide visitors with additional information about an image which can help increase engagement levels on any given page.

Overall, using alt-text provides numerous benefits that can improve both accessibility and usability of website images while boosting SEO rankings at the same time. With all these advantages available through effective implementation of this tool, there is no reason not to use it when creating content for a website or blog post!

How To Add Alt-Text To Images

Adding alt-text to images is an essential part of creating accessible content that’s usable for everyone. Alt-text, also known as image descriptions, provide a text alternative for non-visual users who have difficulty interpreting images. This includes those who are visually impaired and rely on screen readers to access content.

To add alt-text to your website images, the first step is to decide what the purpose of the image is. Is it merely decorative? Does it provide information? Or does it contain text? Once you have determined the purpose of the image, you can then craft an appropriate alt attribute or tag that describes its contents accurately. It’s important to keep in mind that while more detailed descriptions are better, they should be concise and easy to understand.

For decorative images, such as icons and logos, it’s best practice to use empty alt attributes (alt=””) so that screen readers won’t read them out loud. Doing this will help improve website accessibility and create a better user experience for all visitors.

Alt-text is a great way to make your website content more accessible for everyone. With just a few simple steps you can ensure your website images are optimized for both visual and non-visual users alike!

Testing Image Descriptions

Testing image descriptions is an important part of website accessibility. Alt-text, or alternative text, is the most common form of visual testing for websites. It allows those who are visually impaired to understand the context and purpose of images without needing to see them. To ensure the best experience for all users, there are a few best practices to keep in mind when writing alt-text descriptions.

First and foremost, always write meaningful and descriptive alt-text descriptions that accurately describe what’s happening in the image. For example, if there is a person smiling in an image, you should use words like “Person smiling” as opposed to something generic like “Happy Image”. Additionally, if the image has text included within it, then you should also include that text in your description. This helps those with screen readers understand what the visual contains without having to see it themselves.

Finally, be sure to keep your descriptions concise and focus on providing relevant information only. If there are too many words or no meaningful content in a description then it can be confusing and can potentially make it harder for individuals with disabilities to understand images on your website. Testing these descriptions thoroughly before they go live is essential for providing an accessible experience for all users.

Tips For Optimizing Image Descriptions

When it comes to optimizing images for your website, alt-text is an essential element. Alt-text, or alternative text, is a short description of an image that is used by screen readers and search engine crawlers. Following some best practices for writing alt-text will help ensure that your images are accurately and effectively described.

Here are some tips for optimizing your image descriptions:

Alt-Text TipDescriptionExample
Be DescriptiveWrite a succinct but descriptive sentence that accurately reflects the content of the image.A closeup photo of a white daisy with yellow petals and green leaves.
Include KeywordsWhen appropriate, include keywords related to the image as part of the description.A photo of a mountain biker on top of a snow-covered peak in Colorado.
Keep It Short & SweetTry to keep your descriptions concise and to the point—no longer than 125 characters.A red Ferrari driving down a winding road in California’s Napa Valley.

Optimizing your website images with thoughtful descriptions can help you improve accessibility, visibility in search engine rankings, and user engagement. Before uploading any image to your website, take some time to craft a meaningful description that accurately captures the essence of the image and helps enhance user experience.

Troubleshooting Issues With Alt-Text

When it comes to website optimization, troubleshooting issues with alt-text can be a daunting task. Alt-text is an important part of improving image accessibility and ensuring that screen readers can properly interpret images. To ensure that your website’s images are properly optimized for search engines and user experience, here are some helpful tips for troubleshooting alt-text errors.

First, always validate your alt-text using a tool such as Google’s Webmaster Tools or the Wave evaluation tool. These tools will help you determine if any of your images contain improper alt-text or missing tags which could affect the accessibility of your site. Additionally, it’s important to ensure that all of your images have descriptive text associated with them so they can be accurately interpreted by screen readers.

Secondly, create unique descriptions for each image on your website to avoid duplication and ensure maximum visibility on search engine result pages. Unique descriptions should not only provide context about the image but also incorporate relevant keywords related to the topic at hand. Lastly, pay close attention to any errors reported when validating your site’s images – this will help you identify any potential problems with incorrect or missing alt-text that need to be corrected in order for users to access the content correctly.

By following these tips, you can quickly identify and resolve any issues with alt-text errors on your website and make sure that all of its images are easily accessible for users with disabilities. This will improve user experience and increase the overall visibility of your website in search engine rankings.


In conclusion, optimizing images with alt-text is an important part of creating a website that is accessible to everyone. By following the best practices outlined in this article, you can ensure your website’s images are accurately described for all visitors. Alt-text provides numerous benefits and should be considered when developing your website.

Alt-text is like a bridge between the visual world and the written word – one that helps make sure all visitors can access the content they need. Taking the time to write effective image descriptions will make sure your site remains inclusive, while providing an opportunity to improve SEO rankings as well.

By keeping these tips and best practices in mind, you’ll be able to use alt-text effectively and efficiently on your website – allowing you to ‘bridge the gap’ between visuals and words and provide an enjoyable experience for all users.

Andrew Jenkins

Andrew Jenkins, CEO and founder of Catalyst RVA Marketing Agency, helps small and medium-sized businesses attract and convert website visitors through beautiful, results-driven web design & digital marketing Campaigns. Learn More about Andrew Jenkins