That's my guess as well. Weebly said (I think in their YC Founders at Work interview) that they get multiple DDoSes a day, aimed not at them but at sites they

That's my guess as well. Weebly said (I think in their YC Founders at Work interview) that they get multiple DDoSes a day, aimed not at them but at sites they host. Now they have good enough systems in place to deal with it that they said they often just don't notice. I guess when you host enough people's content, it's only a matter of time before someone wants to DoS something you're hosting.