While many individual developers use unique, randomized .cloudfront.net URLs (e.g., d123...cloudfront.net ), these are the types of popular games frequently hosted on the platform:

cloudfront.net is primarily a Content Delivery Network (CDN) service by Amazon Web Services (AWS)

Because Amazon CloudFront is a professional web service used by major companies (like and Supercell ) to deliver game content, many "unblocked game" sites host their files on cloudfront.net subdomains.