Tackling the Top Five Barriers in Digital Courses 

Tackling the Top Five Barriers in Digital Courses 

Designing a course for every student means looking closely at how we share information. Many common digital obstacles go unnoticed until a student cannot access the material. Identifying these hurdles is the first step toward a more functional classroom. 

Missing alternative text is a primary barrier. When an image lacks a text description, screen readers only announce a generic file name. This leaves students who are blind or have low vision without the context the visual intended to provide. 

Color choice also plays a critical role. Content that relies solely on color to convey meaning, such as highlighting a key term in red, is inaccessible to students with color blindness. Similarly, poor contrast between text and background makes reading difficult for many. High contrast ensures clarity for everyone. 

Video content requires captions to be truly effective. Without them, students who are deaf or hard of hearing miss the lecture entirely. Captions also support students in loud environments or those learning a second language. 

Navigation depends on heading structures. A long document without defined headings forces a screen reader user to listen to every word to find a specific section. Using built-in heading styles allows students to jump directly to the information they need. 

Finally, scanned PDF documents often act like locked images. If you cannot highlight or search the text in a PDF, a screen reader cannot recognize the characters. Replacing these scans with searchable text files ensures the content is readable and adaptable. 

Addressing these five areas transforms a course from a collection of files into a cohesive learning environment. Small adjustments in how we save a document or upload an image create a significant impact on student success.  

What common digital hurdle have you found most challenging to fix in your own online course materials?