American investors who funnel billions of dollars into retirement and college savings accounts every year said Fidelity Investments is their favorite place to pick investments in cyberspace, a new report shows.

Boston-based Fidelity’s green-and-blue Web site earned top marks for convenient features, including links to other sites in the fourth quarter of 2005, from investors quizzed quarterly on their Web site preferences by research firm Dalbar Inc.

Fidelity, which manages over $1.1 trillion, beat out American Century’s site for first place among investors, according to data released on Monday.

Individual investors also liked the Vanguard Group, Lincoln Financial and Franklin Templeton sites, among others. Franklin Templeton’s parent is Franklin Resources Inc..

Financial planners ranked Lincoln Financial’s as the best Web site in the $8.8 trillion industry ahead of OppenheimerFunds Inc., which came in second. Lincoln Financial is the marketing name for Lincoln National Corp..