Limits on use of GitHub Pages
ref:
Usage limits
- GitHub Pages source repositories have a recommended limit of 1GB, and less than 5 GB is strongly recommended.
- 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.
- GitHub limits the size of files allowed in repositories.
- larger than 50 MB: warning
- GitHub blocks pushes that exceed 100 MB