Are there any Gatway Usage Guidelines?

Question: What are the usage guidelines for the IPFS Gateway?

I have been communicating with a variety of projects and we have come to a conclusion that we would like to make our website not only accessible, but also hosted on IPFS.

The reason for this is that many of them already use GitLab Pages.
We want users to be able to verify every piece of our source code.

For us, it makes a lot of sense to use a trusted gateway and we would like to use IPFS’s gateway at to host our webpages. However, we wanted to make sure their are no guidelines prohibiting this by protocol labs or affiliates.

TL;DR Does IPFS have any rules or guidelines for the usage of their gateway service?