Blueprint

We consent to the incorporation by reference in this Registration Statement of Bridgeline Digital, Inc. on Form S-3 of our report dated December 16, 2016, with respect to our audits of the consolidated financial statements of Bridgeline Digital, Inc. as of September 30, 2016 and 2015 and for the years then ended appearing in the Annual Report on Form 10-K of Bridgeline Digital, Inc. for the year ended September 30, 2016. We also consent to the reference to our firm under the heading “Experts” in the Prospectus, which is part of this Registration Statement.