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What are some best practices for accessibility and SEO of SVG icons?

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Scalable Vector Graphics (SVG) are a popular way to create icons for responsive web design. They can adapt to different screen sizes, resolutions, and colors without losing quality or increasing file size. However, SVG icons also need to be accessible and SEO-friendly, so that users and search engines can understand their meaning and purpose. Here are some best practices for accessibility and SEO of SVG icons.

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1 Use descriptive titles and alt attributes

One of the simplest and most important ways to make your SVG icons accessible and SEO-friendly is to use descriptive titles and alt attributes. These are text values that provide a name and a description of the icon, respectively. They can be added as attributes to the <svg> element or as nested <title> and <desc> elements. Titles and alt attributes help screen readers, browsers, and search engines to identify the content and function of the icon. For example, <svg title="Search icon" alt="Magnifying glass with a plus sign">.

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Zainul Abdeen Imran

Wordpress | Html | Css | Javascript | Php | web Developer ??
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1. Improve icon accessibility and SEO. 2. Descriptive titles and alt attributes are crucial. 3. Helps screen readers and search engines. - Use descriptive titles and alt attributes. - Provide name and description for icons. - Add as attributes or nested elements. - Assist screen readers, browsers, search engines. Descriptive titles and alt attributes improve accessibility and for icons.

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Caryn Pagel

Senior Accessibility Specialist at Thomson Reuters
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The code sample is incorrect. Neither title nor alt are valid attributes on <svg> tag. These are both failures when running in HTML validator.

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Zainul Abdeen Imran

Wordpress | Html | Css | Javascript | Php | web Developer ??
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Improve icon accessibility and SEO. Use descriptive titles and alt attributes. Helps identify content and function. - Add titles and alt attributes. - Provide name and description. - Assist screen readers and search engines. Enhance icon accessibility and SEO.

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2 Use ARIA attributes and roles

Another way to improve the accessibility and SEO of your SVG icons is to use ARIA (Accessible Rich Internet Applications) attributes and roles. ARIA is a set of standards that define how web elements can communicate their state, properties, and actions to assistive technologies. ARIA attributes and roles can be added to the <svg> element or to its child elements, depending on the context and complexity of the icon. For example, <svg aria-hidden="true" role="img"> can indicate that the icon is purely decorative and should be ignored by screen readers.

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Caryn Pagel

Senior Accessibility Specialist at Thomson Reuters
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The code sample is incorrect. On <svg> tag, role="img" does nothing to hide the image from assistive technologies. I think what you're looking for is role="presentation"

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3 Optimize the code and performance

SVG icons can benefit from code and performance optimization to improve the user experience and SEO of your web page. These optimization techniques include removing unnecessary code such as comments, whitespace, metadata, and default values which can increase the file size and loading time of the SVG icon. You can use tools like SVGO or SVGOMG to automate this process. Additionally, CSS or JavaScript can be used to style, animate, or interact with the SVG icon instead of embedding styles or scripts in the code, making it more modular, maintainable, and responsive. Depending on the use case and browser support, you can also use icon fonts, sprites, or inline SVGs to reduce HTTP requests and increase the rendering speed of the SVG icon.

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4 Test and validate your SVG icons

It is important to test and validate your SVG icons to guarantee that they are accessible, SEO-friendly, and compatible with different devices, browsers, and platforms. WebAIM's WAVE tool can check your web page for accessibility issues and provide feedback. Google's Lighthouse tool can measure the performance, accessibility, SEO, and best practices of your web page. Furthermore, BrowserStack or LambdaTest can simulate how your web page and SVG icons appear and function on different browsers, operating systems, and screen sizes.

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5 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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What are some best practices for accessibility and SEO of SVG icons?

1

2

3

4

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1 Use descriptive titles and alt attributes

2 Use ARIA attributes and roles

3 Optimize the code and performance

4 Test and validate your SVG icons

5 Here’s what else to consider

Responsive Web Design

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