The Seasiders dominated their hosts for over an hour on a wet afternoon in West Yorkshire, only to then fall behind to Anthony Gerrard's first goal for the Terriers.
Substitute Nathan Delfouneso converted Tom Ince's cross in stoppage time to rescue a point, meaning Town have now gone eight games without a win.
"I certainly would have taken a point after the first 45 minutes," he said. "We never got out of the traps and Blackpool could have been out of sight by half-time.
"When you get 1-0 up into injury time you think `we'll take the result, not the performance', and if we'd got three points it would have only papered over the cracks of how poor we were in the first half. To get a point out of that first-half performance is the only positive really."