you don't need enterprise grade tools just to host a simple website. however, if your simple site ever gains enough attraction to come under an attack, especially like this, you'll never survive. you can either just accept that your service will not survive the attack and just shut it down until the attackers realize mission accomplished and stops. you can then hope they don't notice when you bring it back. no simple site will be able to afford what's required to stay up from these attacks.

i'm not saying i like having to put the majority behind the services of 2 or 3 companies, but if you ever get shut down from some DDOS, you'll understand why people think they need to.