The site's data is reportedly intact, but the cause of the outage is still unknown.

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Archive of Our Own (AO3), one of the best-known homes for people who read and write fan fiction online, is currently down for maintenance. The Organization for Transformative Works (OTW), the nonprofit that founded AO3, took the site offline just after 3AM ET and originally planned to keep it down for only 12 hours, per its status page , but now says maintenance could take weeks.

"We estimate that service restoration for #AO3 will take around 2 weeks but it could be up to 4 weeks," the OTW says. "We are hopeful that we will be able to bring the site back up in a degraded state sooner. If that does happen, there may be times when the site has to be brought down temporarily until this is fully resolved.…