Modern versions of Microsoft Office allow you add image ALT textto inserted images. When I first learned how CSS... Of course this only applies to decorative images, really good guide to alt text on Webaim – http://webaim.org/techniques/alttext/. The Previous (year 2000) Section 508 Standards, 8. Determining if the image presents content and what that content is can be much more difficult. Images adjacent to text that convey the same meaning or information as the text, e.g. HTML img element can reside within Inline elements, Block-level elements except pre. To create the Start button image to the left of the text description of the folder, you can copy and paste the following code within HTML Code View for the Text description box:
This folder contains instructions and a general overview of the course.
. The yellow folder icon indicates that the author added a folder of content to her Blackboard course. When the content is read back with JAWS 17 in Firefox, it will skip over the images without announcing them at all. Adding an ALT tag is very easy to do, and you should pretty much do it on all of your images. Below is an example of a decorative image of a flourish that might be used at the top of a page or a separator for sections of a document. HTML img element is a part of HTML object, image and applet. As a rule of thumb, all images must have an ALT tag: Decorative images must have an empty ALT tag. Alt tags are used to describe the contents of images, but some images don't convey any meaning and are therefore considered "decorative." Creating Alt Text for Informational Images, 31. Other Techniques for Checking Accessibility, VI. This is to avoid the unnecessary insertion of
elements in your code, due to a bug in the current version of Blackboard Learn. Thanks I’ll start using this from now on. I think that CSS animations are really great. Descriptive Links and Tool Tips in Word, 22. If these files are converted to HTML or tagged PDF, the ALT text is generally preserved. One small but important practice is the usage of alt attributes on img tags, and I had thought you should set an alt attributes on all images within the page. Avoid Combining Tables and Merging Cells, 23. Google talks about the importance of alt text for users with screen readers in their SEO starter guide. So, all images must have an alt attribute. A null alt text is written as alt=ââwith no space between the set of quotes. Why Should We Design for Accessibility, 6. Setting its width to a percentage of the container it is in, will allow it to scale proportionately downward with a decrease in window size. An empty alt attribute is written as alt=â â with a space between the double quotes. Therefore, it’s best practice to create a null alt attribute on a decorative image or one that doesn’t convey information that is not on the page. Little did I know that isn't the case. I would think in a perfect world because that icon is entirely decorative that applying it via CSS would be ideal, but the point stands: if you have to use an image, alt text hurts more than it helps here. Start tag is required but end tag is forbidden. Of course this use case would apply only to images you’d like indexed, which wouldn’t include many decorative images. When the content presented in an image is conveyed elsewhere, such as in a ⦠Can't you just use a callback? If an image cannot be displayed (e.g., due to broken image source, slow internet connection, etc), the alt attribute provides alternative information. 2 Answers +4 votes . You’ll see the code that Blackboard’s content editor created for the image. It will look like the following: 
. Well, now you have no excuse to not use alt attributes correctly! Good trick. The alt attribute provides the text equivalent (alternative) for an image. Guidelines for the alt text: The text should describe the image if the image contains information; The text should explain where the link goes if the image is inside an element; Use alt="" if ⦠Yes, though in special cases, a spacer should have alt=" " (a space character as the value). Usually, they skip over these images, or worse, read out long and unhelpful image filenames. We’ll delete height=”105″ and width=”659″ from the code above, so that it looks like the following: 
. This helps sighted users and can help people with low vision or cognitive impairments orient. Omitting the alt attribute makes most screen readers read out the entire image URL and providing an alt attribute when the image is for visual purposes only is just as useless. To enter the width=”90%”, I leave a space after alt=”” and type the new property. Building a Fluid Container for Content in Blackboard, 37. answered Jun 19 by jair edited Jun 19 by jair. A note about image sizing: If your image dimension in pixels is a smaller percentage of the parent container than the percent that you write, there will be some scaling up, which could lead to a less detailed display of the image. No alt attribute is not available: alt= '' '' ) is HTML! Course this use case would apply only to images you ’ ll also see height and width attributes ``. Her Blackboard course after alt= ” ” and type the new property we leave! 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