Final answer:
The best response to user complaints about site navigability is to redesign the website to improve user experience, making it easier for visitors to make donations.
Step-by-step explanation:
If visitors find your website challenging to navigate, responding to their feedback is crucial for the success of your charitable cause. With many comments indicating that your site isn't user-friendly, the appropriate action would be to redesign the website. It's important to address the concerns by simplifying navigation, ensuring content is easy to digest, and providing clear calls-to-action for donations. Since websites require a balance of text, images, and careful formatting, seeking professional design help or using user-friendly web design tools can assist in creating an effective and engaging user experience. Always aim for a design that facilitates the user journey rather than hinders it.