What Does UDOIT Look For?

Text color should be easily viewable and should not be the only indicator of meaning or function. Color balance should have at least a 4.5:1 ratio for small text and 3:1 ratio for large text. Warning: using UDOIT to fix one section of text may invalidate the contrast in nested sections of text that are not the same color.

When emphasizing text, you may use color with sufficient contrast as long as you also apply some other form of emphasis, such as bold or italics. This ensures that screen reader users are aware of the text's importance.

The basefont tag is deprecated and should not be used. Investigate using stylesheets instead.

The blink tag should not be used. Ever.

The font tag is deprecated and should not be used. Investigate using stylesheets instead.

The marquee element is difficult for users to read and is not a standard HTML element. Try to find another way to convey the importance of this text.

All video elements must have a caption using the track element with caption attribute. The caption should convey all meaningful information in the video element; this includes, but is not limited to, dialogue, musical cues, and sound effects. Good captions not only include dialogue, but also identify who is speaking and include non-speech information conveyed through sound, including meaningful sound effects.

Multimedia objects should be accompanied by a link to a transcript of the content.

Embedded content may not be properly viewable on mobile devices. Consider mobile users when relying on objects for multimedia content.

Multimedia embedded using the 'Object' tag may require the user to install a plugin for their web browser. This can create support and access issues for some users. Additionally, users on mobile devices may not be able to view the multimedia content at all. Consider using an alternative format that the user's browser can display natively.

Alternative Text (Alt Text) is an alternative (non-visual) way to describe the meaning of an image. Please provide a brief description of the image for a screen reader Links to an external site. user. 

Learn more at WebAIM.org: Alt Text Accessibility Links to an external site.

Alternative Text (Alt Text) is an alternative (non-visual) way to describe the meaning of an image. Please provide a brief description of the image for a screen reader Links to an external site. user. 

Learn more at WebAIM.org: Alt Text Accessibility Links to an external site.

Any image that is not used decoratively or which is purely for layout purposes cannot have an 'alt' attribute that consists solely of placeholders. Placeholders include: nbsp ,   , spacer , image , img , and photo .

Learn more at WebAIM.org: Alt Text Accessibility Links to an external site.

Every form image button which has text within the image (say, a picture of the word 'Search' in a special font), should have the same text within the 'alt' attribute.

Alternative Text (Alt Text) is an alternative (non-visual) way to describe the meaning of an image. Please provide a brief description of the image for a screen reader Links to an external site. user. 

Learn more at WebAIM.org: Alt Text Accessibility Links to an external site.

An image that has a "longdesc" attribute that is equal to its alt attribute.

This image was marked as decorative in the Rich Content Editor, but the ALT attribute contains text. Please remove the alternative text or the decorative marking.

Learn more at WebAIM.org: Alt Text Accessibility Links to an external site.

Alternative Text should not be empty. 

Alternative Text (Alt Text) is an alternative (non-visual) way to describe the meaning of an image. Please provide a brief description of the image for a screen reader Links to an external site. user. 

Learn more at WebAIM.org: Alt Text Accessibility Links to an external site.

Links should be descriptive of the content they're linking to, such as 'Class Schedule' rather than 'schedule.html' or 'click here'.

Adjacent links that have the same URL should be combined into one. Links should be merged in the LMS content editor.

Because many users of screen readers Links to an external site. use links to navigate the page, providing links with no text (or with images that have empty 'alt' attributes and no other readable text) hinders these users.

Multimedia objects should be accompanied by a link to a transcript of the content.

Links to a sound file should be followed by a link to a transcript of the file.

Nest headings by their rank (or level). The most important heading has the rank 1 (h1) in HTML files or rank 2 (h2) in Canvas pages, the least important heading rank 6 (h6). Headings with an equal or higher rank start a new section, headings with a lower rank start new subsections that are part of the higher ranked section. Skipping heading ranks can be confusing and should be avoided.

Sighted and screen reader Links to an external site. users depend on headings to organize the content on the page. Headings should not be empty and should represent an accurate outline of the content

For content longer than 3000 words, consider splitting it up into multiple documents. This makes it easier for students to process and retain the information.

If appropriate, add headings to the page to organize the content for sighted and screen reader Links to an external site. users. The headings should represent an accurate outline of the content.

Changes in text direction in inline content should be indicated using any HTML element (for example, span) with a 'dir' attribute indicating left-to-right or right-to-left. For example, a Hebrew phrase within an English paragraph should have its own text direction indicated.

Bold and Italics are used to emphasize text, whereas headings are used to define the structure of the document. Headings like h1-h6 are extremely useful for non-sighted users to navigate the structure of the page, and formatting a paragraph to just be big or bold, while it might visually look like a heading, does not make it one.

Scope declarations in headers organize and define table data by row/column for sighted and screen reader Links to an external site. users.

Table headers provide a description of the table structure for sighted and screen reader Links to an external site. users.

If a pre element is used for tabular data, change the data to use a well-formed table.

Tables should have content.

Captions that are machine-generated by a service like YouTube are rarely if ever fully accurate and should not be relied upon for educational use.

Captions should be included in the video to provide dialogue to users who are hearing impaired. (Please note that videos that have been removed, deleted, or are Unlisted will also cause this error, and will need to be manually verified.)

While this video has captions, there are no captions available for your course language. While not imperative to fix, if you'd like to you have three options:

• Contact the creator of the video and request captions in your course language be added.
• Create captions yourself using a service like Amara (http://amara.org/).
• Find a different video that has closed captioning for your course language.

UDOIT was unable to connect to the Kaltura API to verify the captions for this video.

UDOIT was unable to connect to the Vimeo API to verify the captions for this video.

UDOIT was unable to connect to the YouTube API to verify the captions for this video.

UDOIT was unable to scan or verify the captions on this Youtube video because YouTube allows only limited API calls in a given time frame. Please try to scan this video again at a different time.

UDOIT was unable to scan or verify the captions on this Youtube video, possibly because this is not a publicly available video.

UDOIT was unable to scan or verify the captions on this Youtube video, possibly because this is not a publicly available video.

Videos used on online courses are required to have closed captioning. Unfortunately, some video services do not provide an API for checking captions and will need to be manually verified.

Embedded content is not evaluated automatically by UDOIT. Please manually evaluate this content for accessibility issues and compatibility with mobile devices.