I spent most of January this year in Hanoi, there were other places near by I wanted to visit like Halong Bay and Hoi An but I was just working too much to take any side-trips. Overall the biggest impression I got is that the people are just so nice and seem genuinely happy there. The food is so good and just ridiculously cheap and they really love beer. If I came back again I would definitely rent a scooter, it’s just exhausting getting around by foot after a while since it’s totally a scooter culture. Scooters riding on sidewalks, parked on sidewalks, it can get pretty intense especially around rush hour.
I found it interesting that a lot of people are part-time vegetarians due to religion. On full moon days, or “moon days” you’ll find a lot more restaurants offer vegan buffets and specials. It’s worth paying attention to the lunar calendar if you want to catch some of the best vegan food, some places are actually only open on moon days.