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Americans with Disabilities Act (ADA) Compliance

Section 508 of the Rehabilitation Act of 1973 requires federal agencies to make websites accessible to people with disabilities. As an institution that receives federal funding, Montgomery County Public Schools must adhere to the guidelines set by section 508 to provide equal accessibility to disabled users.

 

How to Ensure Your Web Pages are ADA Compliant

Tips for Tron Webmasters

As a school or office webmaster, most of the groundwork for making your website ADA compliant has already been set in the template. Now all you have to do is maintain it. Here are some tips to ensure your web pages are accessible:

1 - Use ALT tags for images

When you upload an image via Tron, you will be prompted to enter a "Title" for the image. This Title will become the ALT tag, used by screenreaders in place of the image for the visually impaired. Do your best to make it as descriptive as possible.

Example
student with teacher looking over her shoulder  

Appropriate ALT Tag:
<img src="/uploadedImages/departments/special-education/SE-banner-img.png" alt="student with teacher looking over her shoulder">

How to enter ALT tag in Tron:
entering alt tag in Tron


2 - Use contextual and descriptive text for links

If your link text is not descriptive, you must include a link title. When using the Tron editor, whatever you enter in the "Link Text" field on the hyperlink manager will become the link title for screenreaders.

Example

How to enter a link title in Tron:
entering link title in Tron

Either of these is ADA compliant:
<a href="/schools/sherwoodhs/aboutus/index.aspx" title="Learn More About Sherwood High School">Learn More<a>
OR
<a href="/schools/sherwoodhs/aboutus/index.aspx">Learn More About Sherwood High School<a>

 

3 - Don't rely on color alone to convey important information

A disabled user – for example, someone with color blindness – might not be able to differentiate between red and another color. So don't rely on color alone to make something stand out. Try bolding the text or making it a larger font as well.

Example

INCORRECT

Emergency Message: School is Closing Early Today.

CORRECT

Emergency Message: School is Closing Early Today.


4 - Use h2, h3 and h4 tags for your headers

Provide true semantic headers (h2, h3, h4) to help those using screenreaders. This will help improve the user's experience when navigating through a site.

EXAMPLE

<h2>Main page heading</h2>
<h3>Subheading 1</h3>
<h4>Subheading 2</h4>  

Apply Heading Styles with the Tron Editor

styling headings in Tron  

5 - Use text, not images, in page titles and navigational elements

A text reader may not be able to read and interpret the images for disabled users.


6 - Avoid Posting PDFs

PDFs are not automatically screen-reader friendly, and do not offer the option of ALT text, meaning that by nature, they are not ADA compliant. While numerous websites offer some best practices on converting PDFs to make them 508 compliant, taking this extra step is a lot of work compared to posting the information as a web page instead.

Here are the requirements for making a PDF accessible: How to Make a PDF Accessible


7 - Do not use tables for general page layout

Not only do tables used for layout make pages render incorrectly on mobile devices, they also create problems for screenreaders.


8 - When using tables to present data, use row and column headers

For data tables, you must include row and column headers. Visually impaired users are unable to ascertain the contextual clues (such as color highlighting) that might indicate a table has a header row.

For examples and instructions, see this tutorial on making data tables accessible from the Department of Veteran's Affairs.


9 - Make sure videos include captions

Captioning is necessary for people who are unable to hear the audio in a video. You can find numerous software programs online to caption your videos. YouTube provides automatic captioning, and can be embedded onto a Tron web page. The automatic captioning provided by YouTube may be inaccurate, so you need to edit the captions in YouTube before embedding the video.


10 - Make sure contrast between text and background color is sufficient

Users with low vision and color blindness may have difficulty reading documents that do not present sufficient contrast. The color contrast ratio between background and text should be at least 4.5:1 for normal text and 3:1 for large text. You can use this color contrast checker tool to determine the ratio.

Example

INCORRECT

Make Your School Payments Online

CORRECT

Make Your School Payments Online


11 - Do not post blinking, flashing, or flickering elements

Make sure your video, animation, or other multimedia product does not contain flashing, strobing, or flickering elements within a frequency greater than 2 Hz and lower than 55 Hz, as they can cause some people to experience seizures, dizziness, and nausea. You can use the PEAT Tool to see if your content falls in these ranges.


Web Services Guidelines for Making Templates Accessible

Developers in Web Services follow these guidelines for making accessible web page templates.

1 - Include a link to skip the navigation

This allows users of screenreaders to jump to the main content on each page without having to listen to all of the main menu links each time they open a new page.

2 - Ensure site can be navigated with a keyboard

Design a site to ensure it can be navigated with keyboard controls for people who cannot hold a mouse.


3 - Design Accessible Forms

When creating forms or interactive elements, use a tabindex to define the logical progression of steps. Make sure you label form elements carefully, placing the text labels close to the controls.


4 - Content on site should be available with CSS and JavaScript disabled

Web pages should be readable without requiring an associated style sheet. If you are using hidden content exposed with JavaScript event handlers, make sure that either equivalents are available without JavaScript or that you can trigger the event handlers with the keyboard.


5 - Make sure user can adjust font size to his/her preferences

Use relative units for font sizing, such as em or percentage instad of pixels. Most modern browsers include font sizing for those who may need to see text at a larger size.

 

Tools for Website Accessibility

 
 
 
 

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