The document outlines 10 secrets to optimizing an online donation process for nonprofits. The secrets include beginning with donor retention in mind, making sure donors can donate on the website, optimizing for mobile, avoiding escape options on donation pages, collecting minimal donor information, including suggested gift amounts, offering recurring donations, including social proof, making donations satisfying, and continuously measuring and adjusting the donation process based on data. The overall recommendations are to have a plan for retention, a branded donation page, a mobile-responsive site, minimize distractions, and make donors feel like active participants.