Which of the following is an Americans with Disabilities Act (ADA) compliance factor?

The selected choice regarding ADA compliance highlights the importance of ensuring that all non-text content, such as images, videos, and audio files, includes text-based alternatives, such as alt text or captions. This is crucial because it allows individuals with visual impairments, who use screen readers or other assistive technologies, to access the information conveyed through visual media. Providing text-based alternatives enables a more inclusive web experience, aligning with the ADA's goal of providing equal access and eliminating barriers for individuals with disabilities.

This principle is specifically outlined in the Web Content Accessibility Guidelines (WCAG), which serve as a part of the broader effort to promote accessibility on the internet. By including these alternatives, web developers and designers can ensure that all users, regardless of their abilities, can gain access to the full content of a website. This adherence not only supports legal compliance with the ADA but also enhances user experience for a wider audience.

In contrast, the other choices do not align with fundamental ADA compliance requirements. While having a search bar and ensuring a website is mobile-responsive improve usability, they are not explicitly mandated by the ADA. Displaying registered trademarks is also unrelated to accessibility standards established by the ADA.