The Importance Of Alt Text Tags For Images On Your Website Explained
- Steve Chapman
- May 1, 2023
- 12 min read
Images play a crucial role in website design and user experience. However, search engines rely on alt text tags to understand what is displayed visually. Good alt text tags for images provide information about the image to assist low vision users and search engines alike. In this blog, we will dive into the importance of alt text tags for your website's images, including the benefits of accessibility and improved SEO rankings for your web page content. We will also provide tips for writing effective alt text tags for images and avoiding common mistakes. Additionally, we will explore tools you can use to optimize your use of alt text tags and stay up-to-date with best practices. Keep reading to learn how to make your website more accessible and SEO-friendly with alt text tags.

What Are Alt Text Tags For Images?
Alt text tags, also known as alternative text or alt attributes, are HTML attributes that provide a description or text substitute for images on a webpage. Alt text tags for images are used to provide context and information about the image for users who may be visually impaired or unable to see the image due to slow internet connections or other technical issues. Good alt tags should be descriptive and relevant to the image and should include any important details or information that would help a user understand the content of the image. In addition to improving accessibility for users with low vision disabilities, alt tags can also improve search engine optimization by providing more context and information about the page's content.
Definition of alt text tags
Alt text tags for images serve as a textual description of an image that is added to the HTML code of a webpage. At its core, it serves two main purposes: to provide a textual alternative for visually impaired users or if the image fails to load, and to improve search engine optimization by helping search engines understand the content of an image. It is important to note that alt text tags should not be used as an opportunity for keyword stuffing or spamming. Instead, they should be descriptive, concise, and accurately reflect the content of the image whilst being considerate of any target keyword. By following these guidelines, you can ensure that your website is both accessible and user-friendly.
Difference between alt text and title text tags
Proper use of alt text tags and title text tags is essential for improving the accessibility and SEO of your website. Alt text tags provide a textual substitute to images, which is essential for visually impaired individuals or if the image fails to load. On the other hand, title text tags provide additional information when users hover over an image with their mouse. While both are important, alt text tags for images should be prioritized as they provide essential information for accessibility and search engine optimization. Make sure to use descriptive and relevant keywords in your alt tags to improve your website's search engine ranking, being mindful of not keyword stuffing the alt text tag.

Why Are Alt Text Tags For Images Important?
Alt text tags are an essential component of website accessibility and search engine optimization (SEO). By providing a description of images, alt text tags make websites more accessible to visually impaired users. Additionally, they can improve SEO by providing search engines with additional context about the content of an image. As search engines can't technically view an image, an empty alt text tag will not provide the search engine crawlers with any information they can interpret to determine the actual image content. Alt text tags for images can also contribute to improved website load times by allowing the user to understand what is supposed to be in the image before it loads. To ensure maximum effectiveness, it's important to follow best practices when writing alt text tags for images, such as using relevant keywords and avoiding keyword stuffing or irrelevant information. One of the most important images on your website to ensure you have an alt text tag is your business logo, as this will help those visually impaired understand who's page they are on. Overall, neglecting alt text tags for images can result in missed opportunities for both accessibility and SEO.
Accessibility for visually impaired users
For visually impaired users, accessing information online can be a daunting challenge. Alt text tags provide an essential solution for these users by describing images on a website. Without these tags, visually impaired users are unable to understand the context and content of an image, which can significantly impact their browsing experience. By including detailed and relevant alt text tags for images, websites can improve accessibility for visually impaired users and provide them with equal access to information. In addition to enhancing accessibility, using descriptive and relevant alt text tags for images can also significantly improve a website's SEO by providing search engines with more information about the image.
Improved image search engine optimization (SEO)
When it comes to improving your website's visibility, alt text tags for images play a crucial role in image search engine optimization (SEO). By providing relevant descriptions of images, alt tags allow search engines to index and understand the content of your images better. This can ultimately lead to increased website traffic and higher engagement rates. Additionally, using descriptive and relevant alt text tags for images can improve website accessibility for visually impaired screen reader users. To ensure the best results, it's essential to include accurate and contextual information in your alt text tags for images without resorting to keyword stuffing or irrelevant information.

Best Practices For Writing Alt Text Tags For Images
When it comes to writing alt text tags, there are certain best practices that you should keep in mind. Alt tags should always be descriptive and relevant to the image, using keywords and phrases that accurately describe the content of the image. Keeping the text brief and concise, ideally under 125 characters, is also crucial. It's important to avoid stuffing tags with too many keywords or irrelevant information as this can harm both accessibility and SEO. The ultimate goal is to use text where an image would normally be displayed, to improve website accessibility for visually impaired users who use screen readers to navigate your website, while also providing search engines with valuable information about your images.
How can I use alt tags for images to improve the SEO of my website?
Alt tags for images are an important element of on-page SEO that can help improve the accessibility and relevance of your website content. Alt tags are short descriptions that can be added to images to provide additional information about the image's content and context. Here are some tips on how to use alt tags effectively:
1. Use descriptive keywords:
Use relevant, descriptive keywords in your alt tags to help search engines understand what the image is about.
Alt tags serve as a brief description of images on your website for visually impaired users and search engines. It is important to keep the alt text brief but descriptive, ensuring it accurately represents the content of the image. For accessibility and SEO purposes, alt text tags for images should include relevant keywords that help improve your website's ranking on search engines. Avoid using generic phrases like "image" or "picture," instead using specific descriptions that depict the content of the image. Additionally, including alt text can provide context for images that may not load properly, improving user experience.
2. Be concise:
Keep your alt tags short and to the point, ideally no longer than a sentence or two.
Be specific about the subject matter and avoid using generic terms like "image" or "picture." By writing concise and descriptive alt text, you can ensure that visually impaired users and search engines have a better understanding of your website's content.
3. Include your target keywords:
Including your target keywords in your alt tags can help improve the relevance of your content for those specific terms.
When it comes to using alt text tags for images, it's essential to use relevant keywords that provide context for search engines and visually impaired users. By incorporating precise and appropriate keywords, you can improve the visibility of your images in search engine results while also providing a clear understanding of what the image depicts. However, it's crucial to avoid keyword stuffing and instead use natural language to describe the image. In short, including relevant keywords in your alt text tags is an effective strategy for improving accessibility, SEO ranking, and user experience.
4. Avoid keyword stuffing:
Don't overdo it with the keywords – make sure your alt tags sound natural and are written for human readers, not just search engines.
When it comes to writing alt text tags for images, avoiding keyword stuffing and irrelevant information is crucial. Keyword stuffing can lead to poor SEO performance and make it difficult for users to understand the purpose of the image. Instead, focus on providing a clear description of the contents of the image using natural language and relevant keywords.
5. Consider accessibility:
Alt tags also play an important role in making your website more accessible for users with visual impairments or other disabilities, so make sure you include accurate descriptions of each image's content and context.
By using alt tags effectively, you can help improve the SEO and accessibility of your website, leading to better rankings, more traffic, and a better user experience for all visitors.
How To Add Alt Text Tags To Images On Your Website
Providing descriptive and relevant alt text tags for images on your website is crucial for SEO and accessibility. To add an alt text tag to an image, you can use HTML code or a content management system like WordPress. Including alt text tags for decorative images can also improve the overall user experience for visually impaired individuals. Be sure to avoid using generic phrases like "image" or "picture" and instead provide a clear description of the content in the image. By following these best practices, you can ensure that all users have access to the information on your website.
Using alt tags in webpage HTML code
Adding alt tags to images on your website is a simple process that can greatly benefit both visually impaired users and search engines. To add an alt tag to an image in HTML code, all you need to do is include the "alt" attribute alongside the image source. This creates an alternative description of the image for users who cannot see it, as well as providing context for search engines. It's important to make sure your alt text tags for images are descriptive and relevant, using keywords where appropriate, but avoiding keyword stuffing or irrelevant information. By including alt tags for all images on your website, you can provide a better user experience for all visitors while also improving your SEO.
Adding alt text in Shopify, WordPress and other CMS platforms
Adding image alt text tags for images on your website is a simple process in Shopify, WordPress and other CMS platforms, which can greatly improve the accessibility of your content. In Shopify and WordPress, you can easily add alt text by clicking on the image in the editor and entering the descriptive text in the "Alternative Text" field. This makes it possible for visually impaired users who rely on screen readers to understand what's in your image. Alt text also helps search engines understand what's in your images so they can be properly indexed and displayed in search results. Make sure to include descriptive and relevant keywords in your alt text to help with SEO.
Common Mistakes To Avoid When Using Alt Text Tags
When it comes to using alt text tags, there are several common mistakes that website owners make. One of the biggest mistakes is neglecting to use alt tags at all. Alt tags are essential for accessibility and SEO purposes and should be used for all images on your website. Another mistake is being too vague or generic with your alt text. It's essential to provide descriptive and contextually relevant information in each alt tag to help visually impaired users and search engines understand the content of an image. Additionally, avoid stuffing keywords or using repetitive alt text for multiple images, as doing so can harm your site's SEO efforts. Finally, always remember to update your alt text when adding new content or updating existing content on your website.
Blank or missing alt text tags
Alt text tags for images are important for improving accessibility and SEO on your website. Blank or missing alt text tags can have negative consequences for both visually impaired users and search engines. When an image lacks an alt text tag, screen readers cannot provide a description of the image to the user, making it difficult for them to understand the content of the webpage fully. Additionally, search engines rely on tags to understand what an image is about, which can affect your website's rankings in search results. It's essential to provide specific and accurate descriptions of image content in the alt text tag, rather than leaving it blank or using generic terms like "image" or "picture."
Repetitive or similar alt text for multiple images
Each image on your website should have a unique and descriptive alt text tag. Using repetitive or similar alt text for multiple images can confuse search engines and hurt your SEO ranking. When using the same alt text for several images, it becomes challenging for visually impaired users to differentiate between them as they rely solely on the tag's description to understand the content. Additionally, search engines may mistake your images as duplicates, resulting in lower visibility in image search results. Therefore, make sure to use specific and accurate descriptions of each image's content in its respective alt text tag.
Tools For Optimizing Your Use Of Alt Text Tags
Optimizing your use of alt text tags is essential to improving accessibility and search engine optimization on your website. Using descriptive and relevant keywords in your alt text tags for images can help search engines understand the context and content of the image. It's important to keep your alt text concise and avoid stuffing it with too many keywords, as this can hurt your SEO ranking. Tools like Yoast SEO or Moz Pro can be useful for analyzing your website's use of alt text tags and identifying areas for improvement. By regularly updating and optimizing your alt text tags, you can improve user experience and enhance the visibility of your website on search engines.
Page optimization with Moz Pro
Page optimization is a critical aspect of improving the visibility and accessibility of your website. Moz Pro offers an array of features that allow you to analyze your website's tags and optimize them for better search engine rankings. By using Moz Pro, you can identify missing or duplicate tags, which can negatively impact your site's performance. This powerful SEO tool can help you improve the accessibility of your website ensuring it is more easily discoverable by search engines. Keep optimizing your tags regularly to provide visually impaired users with a description of the images on your website and to enhance the user experience.
Yoast SEO Premium's image SEO assessment
Integrating Yoast SEO Premium's image SEO assessment is an efficient way of ensuring that your website's tags are optimized for search engines. This feature checks every image on your website to ensure that it has an appropriate tag with a relevant focus keyword. If not, the tool provides suggestions on how to improve the tags to make them more descriptive and relevant to the content. This not only helps with accessibility but also improves your website's SEO by making it easier for search engines to understand the context of your images. With Yoast SEO Premium's image SEO assessment, optimizing your website's tags has never been easier.
Stay Up-To-Date With Best Practices For Alt Text Tags
Keeping up with best practices for alt text tags for images is essential for ensuring the accessibility of your website and improving its search engine optimization (SEO). By using relevant keywords in your alt text tags for images, you can provide context for both visually impaired users and search engines. Avoid using generic terms like "image" or "photo," instead opting for descriptive phrases that accurately depict the image's content. With concise and to-the-point alt text tags for images, you can help users navigate your website and increase its discoverability online. It's important to make sure all images on your website have alt text tags, including decorative or background images, to ensure the best possible user experience.
Read more about image SEO
Keeping abreast of articles like this one, or taking courses on how to improve you SEO is important, as search engines from time to time change their algorithms on how they determine a page's rank. By making sure you are up to date with the latest information, you maximise your chances of maintaining or even building a better rank. Imagine being able to jump a few spots in the ranking all because you kept up to date with the latest in technology. Side Hustle Australia offers a range of free articles on SEO for your reading pleasure.
Attend relevant events and conferences
Staying up-to-date with the latest best practices for alt text tags for images is vital to ensuring your website's accessibility and SEO. Attending relevant events and conferences related to web development and SEO can help you stay informed about the most recent trends in the industry. By attending workshops, seminars, and networking events, you can learn from experts in the field and gain valuable insights into how to optimize your website's images for better search engine rankings. Some of the noteworthy events that you can attend include MozCon, Search Engine Strategies (SES), and Pubcon. Take advantage of these opportunities to keep your knowledge current and enhance your skills.
Conclusion
Incorporating alt text tags for images on your website is not just a good accessibility practice, but it also helps improve image SEO. By providing descriptive and relevant information about an image, you can help visually impaired users understand the content and search engines crawl and index your website better. Remember to keep the alt text brief, use relevant keywords for context, and avoid stuffing with irrelevant information. If you're unsure about how to add alt text tags for images or want to optimize your use of them, there are various tools available like Moz Pro and Yoast SEO Premium's image SEO assessment. To stay up-to-date with best practices for alt text tags, read more about image SEO or attend relevant events and conferences. Start incorporating alt text tags for images today for a better user experience and improved search engine visibility. Sounds all too hard? Just click the button for someone to do this for you.
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