What is alt text. Alt

Writing Alt Text for Accessibility: Guidelines and Examples

what is alt text

Options A and B are descriptive of the image, but do not convey an equivalent of what the image itself is conveying - which in this case is nothing, or perhaps only an emotive mood or feeling. If the alt text is too long, it might take up too much space to fit inside the image rectangle which is the same size as the image would be if it were visible. Notice that the image is within the link. In some cases where the equivalent cannot be presented succinctly, a link to a separate page that contains a longer description of the image content can be provided. You must define alt texts for all images that should be unique, short, and descriptive.

Next

WebAIM: Alternative Text

what is alt text

If objects have been grouped together for formatting reasons, ungroup the objects and assign appropriate alt text for each object. An image that is the only thing inside a link must never have a missing or null alt attribute. Why is image alt text important? In current practice on the web, many such images are given descriptive alternative text even though the images don't seem to provide useful content. Images without an alt attribute are likely inaccessible. The key principle is that computers and screen readers cannot analyze an image and determine what the image presents. For more info on the Accessibility Checker, go to. One of the first steps to web and document accessibility, providing accurate and appropriate descriptions for an image, can be critical to the overall goal of ensuring that content is accessible.

Next

What is alt text (alternative text)?

what is alt text

Option C does not provide an adequate description of the function, especially out of context. In this article, we are going to discuss Alt Text of the Image tag. Excel for Office 365 Word for Office 365 Outlook for Office 365 PowerPoint for Office 365 Office 2019 Office 2019 for Mac Office 2016 SharePoint Online Office 2016 for Mac Office 2013 Sway If a picture is worth a thousand words, what is it worth to people who cannot see? But search engine bots can crawl the text content easily but the media content like images are not easy for search engines to crawl and index in the database. Icons are Images, Too In general, there are many types of images that can be informative or not. It must not be very large, recommended maximum number of characters for an alt text is 125.

Next

Everything you need to know to write effective alt text

what is alt text

One of the first steps to web and document accessibility, providing accurate and appropriate descriptions for an image, can be critical to the overall goal of ensuring that content is accessible. Regardless, let's look at the possible options. Alt text is also very important for search engines, which cannot determine the content of images, and must rely on Alt text to determine their contents. However, it may be appropriate to describe the image as a painting, as opposed to a photograph or other image type. In this case, option A is the best answer. You can also add a shorter title in the Title field.

Next

WebAIM: Alternative Text

what is alt text

In the following example, the level of detail is dependent on the image and why it has been used. Unfortunately, none of them have alt text. When an image contains only text, the text being displayed can usually be used as alternative text. It is as important as the description of any webpage. Links are identified as links by screen readers and should be visually apparent to sighted users. Alt attribute will be used when referring to the attribute itself, which often will, but does not exclusively, contain the alternative text.

Next

What is alt text, and why do your photos need it?

what is alt text

Complex images When an equivalent alternative for a complex image, such as a chart, graph, or map cannot be limited to a succinct alt attribute perhaps a couple sentences in length , then the alternative should be provided elsewhere. In the case of the background image, its context is the text and buttons on top of it. What information do you want the reader to gain from looking at the image? Alt text is one of the important attributes required by the image tag. A figure can be moved away from the main flow of the document without affecting the document's meaning. On Weebly site builder, you can upload the image and just click on the image to open the popup shown like below.

Next

Alt Text

what is alt text

This means the correct content if there is content and function if there is a function of the image should be presented as succinctly as is appropriate. To run the Accessibility Checker, simply click the Review tab on the ribbon, and then click Check Accessibility. Alt text is the first parameter that considered by the searched engines because it provides the description of the image. . Use alt text to talk about the image.

Next

WebAIM: Alternative Text

what is alt text

The title can help the reader decide whether or not they want to read the full description. The moral of the story is that determining whether an image is decorative or not is often a fine art, not a science. So, you must optimize the image by defining the all required attributes. In other words, instead of loading all images at once, they are loaded individually as users scroll down a page. If the main image does not convey content, but is primarily just a container for the hot spots e. Like many things in web accessibility, determining appropriate, equivalent, alternative text is often a matter of personal interpretation.

Next