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Instructional

1. Text alternative to images

1.1.1 Description: If an image has words in it that are important to understanding the content, then the PDF must have text alternative to describe the image. It does not need to describe the visuals but the text must convey …

1. Small tag used to alter text size

1.1.1 Description: Do not use the ‘small’ tag to alter text size. If the page is written in HTML5, this issue can be ignored. Context:聽HTML tags should denote semantic meaning instead of just styling. In HTML5 it is acceptable to …

2. Using bookmarks

2.4.5 Description: Users must be able to locate content using bookmarks. An overview of the document helps persons with disabilities navigate the document without traversing through all the pages. How to fix: Convert a table of contents and creating bookmarks …

2. Aria-labelledby has incorrect (ID) reference

1.1.1, 1.3.1, 2.4.4, 3.3.2, 4.1.2 Description:聽The WAI-ARIA ‘aria-labelledby’ attribute has a reference to an ID that does not exist or an ID that is not unique. Context:聽All ARIA tags must reference elements that exist on the page, an ID should …

3. Correct tab and reading order

1.3.2, 2.1.1, 2.1.3, 2.4.3 Description: Users must be able to navigate through content in a logical order that is consistent with the meaning of the content with the tab key. For sighted users, the logical order of the content is …

3.聽Aria-describedby has incorrect (ID) reference

1.3.1,聽2.4.4 Description:聽The WAI-ARIA ‘aria-describedby’ attribute has a reference to an ID that does not exist or an ID that is not unique. Context:聽All ARIA tags must reference elements that exist on the page, an ID should only be used once …

4. Indicate required form controls

3.3.1, 3.3.2, 3.3.3 Description: Notify the user when a required field must be completed has not been completed in the PDF form. An alert dialog must describe the error if a required field is not completed. How to fix: Creating …

4. s or “strike” tags used to format text

1.3.1 Description:聽Do not use the ‘s’ or ‘strike’ tags. Context: In HTML5 the ‘del’ tag has been semantically designated for text that should be removed instead of ‘s’ or ‘strike’. The ‘ins’ tag is used to indicate recently inserted, or …

5. Table Elements

1.3.1 Description: Tables must be recognized by assistive technology. When a user tabs through the data in the table, the information must preserve relationship between the row and the column headers. How to fix: Correctly tag tables in Microsoft Word …

5. Big tag used to alter text size

1.3.1 Description: Do not use the ‘big’ tag to alter text size. Context: In HTML 5 the ‘big’ tag has been deprecated, the CSS property ‘font-size’ should be used to handle any text size adjustments that are not related to …

6. Label interactive form controls

1.3.1, 3.3.2, 4.1.2 Description: Users of assistive technology must be able to understand form control labels and how they are used. Assistive technology must be able to recognize and understand form fields, make selections, and provide input to complete the …

6. Bold tag used to format text

1.3.1 Description: The ‘bold’ tag is used to highlight text. Context: Screen-readers and other assistive technology cannot understand the context of a bold tag (as bolded text can play numerous roles). Using semantic elements such as “header” or “strong” tags …

7. Submit button with submit-form action

3.2.2 Description: Forms must have a submit button that submits the data entered in the form. How to fix: Adding a submit button using Adobe Acrobat Pro Techniques: G80, PDF12, PDF23

7. Center tag used to format content

1.3.1 Description:聽The HTML center tag has been used to center content. HTML should not be used for presentational purposes, but only for semantics to allow for different presentations of the content. Context:聽Styling-specific tags are discouraged for ADA-compliance, adjustments to appearance …

8. Interactive form controls

2.1.1, 2.1.3 Description: Interactive form controls such as text input fields, check boxes, radio buttons, combo boxes, list boxes, and buttons can be used by keyboard operation. If a user is tabbed over an interactive form control, they must be …

8.聽Font tag used to format text

1.3.1 Description:聽Do not use the ‘font’ tag to create changes in typography. Context:聽Styling-specific tags are discouraged for ADA-compliance, adjustments to appearance strictly for aesthetics should be restricted to CSS. <font color=”#000000″ size=”2″ face=”Arial”> Deans of the <br> Colleges of Arts …

9.聽Access key is not unique

1.3.1 Description:聽The same access key is used for several items on the page. Context:聽Any properties used to assist in navigation (ID’s, access keys, tab orders, etc) must be unique for readers to navigate through the page properly. <a href=”https://kahualike.manoa.hawaii.edu/horizons” title=”M膩noa …

10.聽HTML is used to format content

1.3.1 Description:聽Presentational attributes such as ‘border’, ‘align’, or ‘bgcolor’ are used. CSS should be used for styling instead. Context:聽To prevent extraneous text from being read by screen readers, it is best practice to keep the HTML as uncluttered as possible, …

11.聽Local link destination does not exist

1.3.1 Description:聽A local link (anchor link) occurs but the destination does not exist. Context:聽All references need to be linked properly for a page to allow assistive technology to navigate properly between items. <a href=”#toplink” class=”backup tipsy-tooltip” title=”scroll up”> <span class=”fa …

12.聽Heading is missing text

1.3.1 Description:聽An empty heading occurs. Context:聽HTML without any content can clutter the HTML making it difficult for readers to scan through it properly. It should either be filled with content or removed entirely. <h3></h3> How to fix it:聽The tag for …

13.聽Element ID is not unique

1.3.1,聽4.1.1 Description:聽The ID used for an element on the page is also used for another element on the page Context:聽Any properties used to assist in navigation (ID’s, access keys, tab orders, etc) must be unique for readers to navigate through …

14.聽Form control label is missing text

1.3.1,聽4.1.2,聽2.4.6聽(AA) Description:聽The form element has a label but text has not been added (label is empty). Context:聽HTML without any content can clutter the HTML making it difficult for readers to scan through it properly. It should either be filled with …

15.聽Label is not connected to a form control

1.3.1 Description:聽The label for the form control is not explicitly connected to anything, since it refers to an element ID that does not exist on the page. Context:聽Label elements should be used to provide context to a form element, they …

16.聽Input field has no description

1.3.1,聽3.3.2,聽4.1.2 Description:聽Input fields should always have a description that is explicitly associated with the field to make sure that users of assistive technologies will also know what the field is for. Context:聽All inputs should have some form of description, such …

17.聽Form elements are not grouped

1.3.1,聽3.3.2 Description:聽When a form contains elements that are logically connected to each other it is necessary to group them. Context:聽Screen readers require additional assistance to group related content together correctly, especially for inputs. <label> Announcement Interests </label> <label> <input type=”checkbox” …

18.聽u tag used to format text

1.3.1 Description:聽The u tag is used to underline text. Context:聽Styling-specific tags are discouraged for ADA-compliance, adjustments to appearance strictly for aesthetics should be restricted to CSS. <u> <b> <a href=”summer_housing”>Summer Housing</a> </b> </u> How to fix it:聽Consider the following: If …

19.聽Adjacent links used for same destination

1.1.1 Description:聽Adjacent links, one with a link text, the other with an iconic representation of that link, point to the same destination. Context:聽To prevent extraneous text from being read by screen readers, it is best practice to keep the HTML …

20.聽Alternative text for image is identical to link text

1.1.1 Description:聽The alternative text for an image link is a repetition of the adjacent link text. Context:聽To reduce redundancy, if the image alt text is not providing any “new” content for a screen-reader, the alt text is unnecessary. <a href=”http://manoa.hawaii.edu/library/research/collections/russia/”> …

21.聽Alternative text for the image is a file name

1.1.1 Description:聽The alternative text for an image must reflect the purpose of the image and not contain the image file name. (The problem often occurs with auto-generated alternative texts). The alternative text is used by a screen reader to read …

22.聽Are there options to control audio that auto-plays?

1.4.2 Description:聽Audio content starting automatically seems to occur. Context:聽It is best practices to not have any auto-playing audio content on your website, but if this is not possible, you must provide a way to stop it without adjusting audio outside …

23.聽Area element is missing alternative text

1.1.1,聽2.4.4 Description:聽On the image map an ‘area’ element occurs with no alternative text. Context:聽Area tags generally do not have descriptive content within them, making it difficult for readers to understand them without additional information. <area shape=”circle” coords=”687,281,8″ target=”bottom” href=”plantbrochuretour.html#63″> How …

24.聽Color contrast is insufficient (AA)

1.4.3 Description:聽The color of the text and the color of the background are not in sufficient contrast to each other. Context:聽For compliance, all text must be displayed in a way that provides sufficient contrast against it’s background. Users with vision …

25.聽Does video/audio have an alternative?

1.2.1 Description:聽If the element is not video or audio this criterion can be disregarded. Context:聽For compliance, video or audio should not be the only way to obtain information. Alternatives should be available on the page, or at a minimum, information …

26.聽Element not highlighted on focus

2.4.7 Description:聽With keyboard navigation it is important that the focused component can be visually identified. If the focused component is not somehow highlighted, the user cannot be sure which component has focus. Context:聽While browsers should handle this by default, certain …

27.聽Field label is not visible

3.3.2 Description:聽The input field does not have a visible label indicating the purpose of the input field. Context:聽An input field should always have it’s label visible if it is visible. For fields where this isn’t desirable, an ARIA-label is preferred. …

28.聽Frame is missing a description

4.1.2 Description:聽The frame has no ‘title’ attribute or the ‘title’ attribute is empty. Context:聽Titles allow users using screen-readers to understand the content of a given iFrame/frame and elect to skip it if it is not relevant. Preventing them from needing …

29.聽iFrame is missing a description

4.1.2 Description:聽The iFrame has no ‘title’ attribute or the ‘title’ attribute is empty. Context:聽Titles allow users using screen-readers to understand the content of a given iFrame/frame and elect to skip it if it is not relevant. Preventing them from needing …

30.聽Image button has no description

1.1.1 Description:聽An image button (‘input’ element) is missing an alternative text. Context:聽When using different elements as buttons outside of the native ‘button’ element, the element should be clearly marked as button so users may interact with it properly. <input type=”image” …

31.聽Image link is missing alternative text

2.4.4 Description:聽The image link is missing an alternative text stating the purpose of the link. Context:聽All images should provide an alternative <a style=”color: rgb(12, 109, 72);” href=”https://uhmanoa.lib.hawaii.edu/vwebv/searchBasic?sk=manoa”> <img class=”img-responsive” src=”/library/wp-content/uploads/2017/07/canoe-1.png” alt=””> </a> How to fix it:聽If for instance it links …

32.聽Image with no alt attribute

1.1.1 Description:聽The image does not have an ‘alt’ attribute (alt=””). Context:聽All images are expected to at a minimum have an alt attribute, even if it is empty to allow screen-readers to decide how best to read out content regarding the …

33.聽Invalid WAI-ARIA role, state or property

4.1.2 Description:聽A WAI-ARIA element contains roles, states or properties that are not allowed on this type of element. Context:聽Invalid aria elements could cause the element to be read incorrectly by assistive technology. <span class=”tribe-icon-list” aria-hidden=”true” role=”none”></span> How to fix it:聽Check …

34.聽Is multimedia content captioned?

1.2.2 Description:聽If the element does not contain audio, this criteria can be disregarded. Context:聽Video content should be subtitled to aid users with hearing impairments. How to fix it:聽If the element is video or audio, provide an alternative, (unless it is …

35.聽Is the tabbing sequence logical?

2.4.3 Description:聽Ensure that the tabbing order defined on the page is logical. Context:聽Tabbing is very important to assist users who primarily navigate pages with their keyboard, making sure the tab order is set in a logical portion can assist them …

36.聽Language declaration is invalid

3.1.2 Description:聽The value for the language attribute is not set to a valid language code. Valid language codes must be used to programmatically determine the human language of pages and parts of content. Context:聽The language attribute has a strict set …

37.聽Link identified only by color

1.4.1 Description:It appears that color is the only distinguishing feature about links in blocks of text. If links in blocks of text are identified only by color, the color contrast ratio between the link text and the surrounding text needs …

38.聽Link text is too generic in its current context

2.4.4 Description:聽The link text is generic text that does not identify the link purpose. The link does not seem to have any programmatically determined link context that can aid in identifying the purpose either. Context:聽Information about the link can be …

39.聽Missing button in form

3.2.2 Description:聽The page contains a form but there is no submit button. Context:聽Any form should contain a way to submit directly within the form. If this is not the case, the best approach is most likely to re-organize the content …

40.聽Missing required WAI-ARIA states or properties

4.1.2 Description:聽The WAI-ARIA element does not follow the specification in regards to which states and properties should be present for this type of element. Context:聽ARIA elements have strict guidelines for what states and properties can be used for each element. …

41.聽No headings on page

1.3.1 Description:聽No headings on page Context:聽Heading tags are crucial to allowing content to be divided and scanned intelligently by assistive devices, such as finding titles or important subsections. <p align=”left”> <font face=”Arial” size=”3″> <b> About the Colleges of Arts &amp; …

42.聽No option to skip repeated content

2.4.1 Description:聽A means of bypassing blocks of content that are repeated on multiple web pages must be provided. Context:聽Manually maneuvering through content takes significantly longer on assistive devices, by providing a way to skip directly to relevant content browsing becomes …

43.聽Page element has no description

1.1.1,聽1.2.3 Description:聽An element of the type ‘object’ is present but the element does not have an alternative text. Provide a description of the content, within the 鈥榦bject鈥-tags. Context:聽All elements should have a clear indication of what they are. Usually semantic …

44.聽Provide enough time

2.2.1 Description:聽This warning will always appear on your pages since your assessment is needed. Context:聽Assistive technology inherently will take longer to navigate a page, therefore time limits on any content are not best practice. If time limits must be in …