To Help Donors Choose, Web Site Alters How It Sizes Up Charities

Charity Navigator, perhaps the largest online source for evaluating nonprofit groups, recently embarked on an overhaul to offer a wider, more nuanced array of information to donors who are deciding which organizations they might help.

Its reinvention coincides with the growing need of nonprofits to provide more — and broader — information about themselves and their impact in an effort to wean donors off a reliance on administrative-cost ratios and other financial metrics that have traditionally been used to assess charities.