Congratulations
Bandwidth is correct!
In hosting a website bandwidth is the amount of data that can be transmitted in a fixed amount of time.
bitcoin revo offer a free website hosting the offers 20GB of bandwidth! Check link for more details.
Sources:
https://bitcointalk.org/index.php?topic=2830067.msg29008817#msg29008817
https://www.webopedia.com/TERM/B/bandwidth.html