Anecdotal, but I have a niche calculator SPA that fluctuates between 1k-10k visitors per month. Most visitors are frequent fliers. My donation button (top cent

Anecdotal, but I have a niche calculator SPA that fluctuates between 1k-10k visitors per month. Most visitors are frequent fliers. My donation button (top center of page) has only been used once over the span of 5 years, even though it gets praised across various forums and communities within the niche.