Blocking gitlab.io would break critical workflows for developers, so administrators keep the entire domain unblocked.
Websites hosted on (using the .gitlab.io domain) for sports games generally serve as hosting platforms for lightweight, browser-based indie projects or open-source games. Because these are community-hosted, quality and safety can vary significantly between individual projects. Overview of GitLab.io Sports Games sports games gitlab io work
Below is an in-depth breakdown of how these web-based sports games function, how they leverage GitLab's infrastructure, and what you need to know about playing them safely during downtime. What is GitLab.io and Why Does It Host Games? Blocking gitlab
The Ultimate Guide to Sports Games on GitLab.io: How They Work and Why They By-Pass Work and School Blocks how they leverage GitLab's infrastructure