The news isn’t all bad: Users say the site looks better, pages load faster, and more people are getting through to sign up for health plans.

But technical problems still affect HealthCare.gov’s ability to verify users’ identities and transmit accurate enrollment data to insurers, officials say. The data center that supports the site faces continuing challenges, and tools for processing payments to insurers haven’t been built…

Some people involved with enrollment say they have seen a notable uptick in recent weeks. Maine Community Health Options, a nonprofit plan based in Lewiston, Maine, now is getting “hundreds of enrollments” a day, rather than the dozens it saw trickling in earlier this month, said Chief Executive Kevin Lewis.

But problems with the performance of the site’s databases, storage and servers and their interaction with each other continue to slow the site or make it unavailable for short periods, according to government officials and contractors working on the project.