Maintenance for the week of November 4:
• [COMPLETE] ESO Store and Account System for maintenance – November 6, 9:00AM EST (14:00 UTC) - 6:00PM EST (23:00 UTC)
A new MMO has just launched, it's really not surprising.
But don't worry, it should be less laggy in future - even if it means ZOS has to increase the capacity of the servers.