Why didnât the Massachusetts vaccine website work better? Baker acknowledged his administration didnât prepare for the heavy traffic from opening vaccinations to people age 65 and older By Hiawatha Bray Globe Staff,Updated February 18, 2021, 7:48 p.m. Email to a Friend Stickers to those who got the vaccine.David L. Ryan/Globe Staff Massachusetts is a global leader in heavy-duty technology fields such as robotics and artificial intelligence, yet the state government continues to have a nightmarish time running a simple website to let residents easily book COVID-19 vaccine appointments. The latest and most spectacular failure occurred Thursday morning, when the stateâs main vaccine scheduling site repeatedly crashed under heavy traffic from thousands of newly eligible residents chasing the few available appointments. It resumed service later in the day.