Can SVG have alt text?
HTML5 now allows <svg> and <math> markup with an HTML document without depending on external namespaces (decent overview here). Both have their own alt -attribute analogs (see below) which are effectively ignored by today’s screen-reader software.
When should you not use alt?
Including alt text for decorative images or items
Decorative items such as dividers or design items that don’t provide additional context or content don’t need alt text. They don’t add to the information a user needs and they make little sense, or are unnecessary, when read with a screen reader.
Is image alt necessary?
alt attribute is required for <img> tags if you want your markup to validate. Background images and bullets are just cosmetic, they don’t need an alternate representation as they are not part of the content.
Should SVG have role IMG?
How do I make SVG readable?
Text-to-speech browsers may not read your title and description tags in all circumstances. To ensure that they do, you can add aria-labelledby and aria-describedby attributes in the <svg> element. This will signal to the screen reader that there is more content that it should read.
How important is alt text for SEO?
How Does Alt Text Impact SEO? … Fundamentally, the purpose of alt text is to improve accessibility by describing what an image is showing to visitors who do not have the ability to see them. However, it also helps search engine crawlers and so improves SEO.
Is alt text a legal requirement?
We must provide alternative text for images, audio files, videos, and all other non-text elements published online. … When you use a graphic with legible text, the alt text must contain the graphic’s exact text. However, when possible, avoid using images of text or graphics with text.
What is alt text for SEO?
‘Alt text’ is a contraction of ‘alternative text’. It’s a short written description of an image, which makes sense of that image when it can’t be viewed for some reason. Well-written alt text is important to your website’s accessibility, and its search engine optimisation (SEO).
When should an image have null empty alt text alt?
Alt tags are used to describe the contents of images, but some images don’t convey any meaning and are therefore considered “decorative.” Decorative images do not need to be announced by the screen reader, so if the alt attribute is empty (alt=””, aka a “null” tag) it will not be announced to the user.
Can SVG have aria label?
1 accessibility support is limited in browsers and screen readers. Things are set to improve with ARIA can be used now to improve the accessibility of simple SVG.
Is inline SVG bad?
Inline SVGs would reduce the number of HTTP requests, so it should make the page load faster the first time someone’s visiting. But the drawback is that your SVGs won’t be cached in the browser and therefore it will have to be loaded every time.
Do screen readers read SVG?
Yes, Screen readers can read an SVG as long as that screen reader has been coded to read a SVG. SVGs have a number of accessibility tags which can be used and read by screen readers to describe what the SVG is representing or is meant to show.