Online donations to nonprofs are up 23 percent this March, April and May over the same time last year, the Chronicle of Philanthropy reports. The Blackbaud Index of Online Giving keeps tabs on nearly 1,800 nonprofit organizations with combined donations of $400 million annually. It found that groups with annual budgets of more than $10 million saw Internet donations grow 28 percent during that period compared to last year; those with budgets of $1 million to $10 million rose 21.3 percent; and those with budgets of less than $1 million grew 13.1 percent.