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What are the best strategies for optimizing image alt tags?

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Image alt tags are text descriptions that appear when an image fails to load or is accessed by a screen reader. They are important for both accessibility and SEO, as they help users and search engines understand the content and context of your images. In this article, you will learn some of the best strategies for optimizing your image alt tags to improve your site's performance and user experience.

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Rosario Arce

Owned Media Content Lead & Copywriter
Marc G.

SEO Specialist || Technical SEO
Devesh Singhal

Organic Growth Marketer | Building Brands Through SEO and ASO | SEO Manager@ARM Worldwide

1 Use relevant and descriptive keywords

One of the main goals of image alt tags is to help search engines index and rank your images for relevant queries. Therefore, you should use keywords that describe the image and match the intent of your target audience. For example, if your image shows a blue bicycle, you could use an alt tag like alt="blue bicycle" or alt="blue bike with basket" , depending on the level of detail you want to provide. Avoid stuffing keywords or using generic terms like alt="image" or alt="picture" , as they do not convey any useful information.

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Uday Kumar

Digital Marketing Specialist at Ethereal Machines with expertise in Performance Marketing
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Beyond mere keyword inclusion, consider crafting descriptive alt tags that align with user intent. Instead of a basic "blue bicycle," go a step further with specifics like "stylish blue bike with basket." This not only aids SEO but also enhances user experience by providing richer context and relevance. Avoid generic tags for optimal impact.

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Abdul Rehman

Founder & CEO @ AbodDigital | SEO Consultant To Increase Your Traffic and Revenue ?? Helped 200+ Startups and Businesses Achieve Million-Dollar Success
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Focus on using descriptive and relevant keywords that accurately convey the image's content. Keep it to the point and avoid keyword stuffing. Prioritize natural language and readability. Ensure the alt text provides valuable information for users who rely on screen readers while adhering to the context of the surrounding content.

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2 Keep it concise and clear

Another goal of image alt tags is to provide a clear and concise alternative for users who cannot see or load your images. Therefore, you should keep your alt tags short and simple, ideally between 10 and 15 words. You should also avoid repeating information that is already present in the image caption, title, or surrounding text. For example, if your image has a caption that says "A blue bicycle parked near a tree", you do not need to repeat the same information in the alt tag. Instead, you could use something like alt="close-up of blue bike's basket" or alt="blue bike in nature" to add some additional details.

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Uday Kumar

Digital Marketing Specialist at Ethereal Machines with expertise in Performance Marketing
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While concise alt tags are vital for accessibility, a bit more descriptive text can enhance SEO. Google's algorithms consider alt text for context, so strategically incorporating relevant keywords within the 10-15 word limit can boost image visibility and overall content ranking.

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3 Use proper punctuation and grammar

Image alt tags are part of your site's content and should follow the same rules of punctuation and grammar as your text. This means that you should use proper capitalization, spelling, and sentence structure. You should also use quotation marks around your alt tags to separate them from the rest of the HTML code. For example, you should write alt="A blue bicycle parked near a tree." instead of alt=a blue bicycle parked near a tree. . Using proper punctuation and grammar will make your alt tags more readable and professional.

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Uday Kumar

Digital Marketing Specialist at Ethereal Machines with expertise in Performance Marketing
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I emphasize that image alt tags play a crucial role in SEO. Beyond punctuation and grammar, focus on descriptive and keyword-rich content. Craft concise yet compelling alt tags, providing context for visually impaired users and enhancing search engine optimization. Prioritize clarity and relevance for both accessibility and improved online visibility.

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4 Consider the context and purpose of your images

Image alt tags should not only describe what your images show, but also why they are relevant to your site's topic and purpose. You should consider the context and function of your images and how they support your main message and goals. For example, if your image is a logo, you should use an alt tag that includes your brand name and tagline. If your image is a chart, you should use an alt tag that summarizes the main data or insight. If your image is a call to action, you should use an alt tag that includes a clear instruction or incentive. For example, you could write alt="Logo of Blue Bike Co. - The best bikes for every adventure." , alt="Chart showing the increase in bike sales in 2020." , or alt="Button to sign up for a free bike trial." .

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Marc G.

SEO Specialist || Technical SEO
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Un dato importante y que muy a menudo pasa desapercibido son los atributos alt de las imágenes que solamente tienen propósitos estéticos. Este tipo de imágenes no solamente no deben tener un atributo alt, sino que tampoco deben ser indexadas por los motores de búsqueda. Así que, la próxima vez que veas en tu report de ScreamingFrog (u otra herramienta) que hay 371 imágenes sin atributo alt, no te vuelvas loco y las rellenes todas sin dudarlo. Asegúrate de que estos "warnings" pertenecen verdaderamente a imágenes que aportan estética a la página y centra tus recursos y tiempo en otros problemas más importantes.

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5 Test and optimize your image alt tags

Finally, you should test and optimize your image alt tags to ensure that they are working properly and delivering the desired results. You can use tools like Google's Lighthouse or WebAIM's WAVE to check your site's accessibility and SEO performance and identify any issues or errors with your image alt tags. You can also use tools like Google Images or Bing Images to search for your images and see how they appear and rank in the search results. You can then tweak and improve your image alt tags based on the feedback and data you get from these tools.

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6 Here’s what else to consider

This is a space to share examples, stories, or insights that don’t fit into any of the previous sections. What else would you like to add?

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Rosario Arce

Owned Media Content Lead & Copywriter
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Sé muy específico en la imagen que estás etiquetando: - Evita los adjetivos subjetivos - Intenta ser breve y conciso - Incluye los adjetivos que sí valen la pena, como el tama?o o el color - Escribe de forma clara, gramaticalmente correcta y entendible para tu audiencia objetivo Cuanto más pienses en accesibilidad por sobre posicionamiento, mejor rendirán tus atributos alt de cara a Google y las personas usuarias.

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Devesh Singhal

Organic Growth Marketer | Building Brands Through SEO and ASO | SEO Manager@ARM Worldwide
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Here are some strategies to optimize image alt tags effectively: Be Descriptive: Provide a concise and accurate description of the image content. Clearly convey what's happening in the image. Include Keywords Naturally: If relevant, include keywords that align with the image and overall content. However, avoid keyword stuffing; prioritize natural language. Avoid Repetition: If multiple similar images exist on a page, use unique alt tags for each to provide distinct information. Keep it Concise: Aim for brevity while conveying the essential information. Avoid excessively long alt tags. Optimize Image File Names: Before uploading images, use descriptive file names. Search engines may consider these names along with alt tags for context.

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What are the best strategies for optimizing image alt tags?

1

2

3

4

5

6

1 Use relevant and descriptive keywords

2 Keep it concise and clear

3 Use proper punctuation and grammar

4 Consider the context and purpose of your images

5 Test and optimize your image alt tags

6 Here’s what else to consider

Search Engines

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What are the best strategies for optimizing image alt tags?

1

2

3

4

5

6

1 Use relevant and descriptive keywords

2 Keep it concise and clear

3 Use proper punctuation and grammar

4 Consider the context and purpose of your images

5 Test and optimize your image alt tags

6 Here’s what else to consider

Search Engines

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感谢您的反馈

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