GitHub Pages sites created after June 15, 2016 and using github.io domains are served over HTTPS.
Usage limits
GitHub Pages sites are subject to the following usage limits:
- GitHub Pages source repositories have a recommended limit of 1GB. For more information, see “What is my disk quota?”
- Published GitHub Pages sites may be no larger than 1 GB.
- GitHub Pages sites have a soft bandwidth limit of 100GB per month.
- GitHub Pages sites have a soft limit of 10 builds per hour.