What does longdesc mean in HTML?

The deprecated property longDesc on the HTMLImageElement interface specifies the URL of a text or HTML file which contains a long-form description of the image. This can be used to provide optional added details beyond the short description provided in the title attribute.

What is the longdesc attribute?

The longdesc attribute is a URI , the target of which contains a long description of the non-text content. Authors can provide a description for an image by including text in a separate resource or within the text of the page containing the image.

Is Longdesc deprecated?

The longdesc attribute was never well implemented in the mainstream, and browser support and AT support was inconsistent. It was deprecated in HTML5 but a void existed for a viable replacement and WCAG still required a long description be provided for complex images.

Is Longdesc supported in HTML5?

According to an HTML Working Group Decision, the longdesc attribute will not be included in the HTML5 specification.

How do I make a description list in HTML?

HTML Description Lists A description list is a list of items with a description or definition of each item. The description list is created using element. The element is used in conjunction with the element which specify a term, and the element which specify the term’s definition.

What is a long description?

What are long descriptions? Long descriptions are text versions of the information provided in a detailed or complex image. Most web writers are familiar with short descriptions for images, often called text alternatives or ALT text. We use them when an image conveys a brief message or acts as a link.

How do you add a description to an image in HTML?

Chapter Summary

  1. Use the HTML element to define an image.
  2. Use the HTML src attribute to define the URL of the image.
  3. Use the HTML alt attribute to define an alternate text for an image, if it cannot be displayed.

How are quotations defined in HTML *?

HTMLWeb DevelopmentFront End Technology. The HTML Quotations is used to create quotation in HTML. The HTML tag is used to define a short quotation. It is a block-level element and HTML tag is used to define a section that is quoted from another source.

What is HTML description list?

A description list is a list of terms, with a description of each term. Lists in HTML are used for specifying particular information in list form.

How do you write a long description?

Like alternative text, long description should be descriptive and meaningful. It should also include all text that is incorporated into the image. A long description should provide visually-impaired users with as much information as sighted users would understand from the image.

How long is a short description?

At a minimum all Short Descriptions should be at least 150 characters long. Here’s an example of what can happen when your Short Description is not long enough.

How do I add description to text in HTML?

In other words, you just insert your HTML text in the list header and bracket it with and tags (these tags tell the web interface where the HTML text begins and ends – they are not actually sent to the web browser).

What is the use of longdesc in HTML?

longdesc The purpose of the HTML longdesc attribute is to specify a link to a long textual description for images, iframes and frames. When used with img element, it complements alt attribute of img. When used with iframe and frame elements, it complements title attribute.

What is the content of a longdesc attribute?

The content of a longdesc attribute must be a URL, not the description itself. The longdesc attribute was a part of the HTML 4.0 specification. When HTML5 was first published, it was labelled as “obsolete.” Later, it was released as a recommended “HTML Extension.” So it is sort-of deprecated, and sort-of available for use.

Do longdesc attributes help with Seo?

Some people believe that using longdesc attributes can help with SEO. There is no evidence that this is the case, but it certainly can’t hurt. It is also possible that, if use of longdesc for accessibility becomes more prevalent, that Google and other search engines will begin use it.

What is the difference between image description and longdesc?

The description is on the same page as the image –> The longdesc attribute specifies a hyperlink to a detailed description of an image.