What are some alternatives?
When comparing Peer5 and W3 Total Cache, you can also consider the following products
Amazon CloudFront - Amazon CloudFront is a content delivery web service.
CloudFlare - CloudFlare can be used by anyone with a website and their own domain, regardless of your choice in platform
Fastly - Real-time CDN
Netlify - Build, deploy and host your static site or app with a drag and drop interface and automatic delpoys from GitHub or Bitbucket
MaxCDN - Make your websites and apps faster, purge and provision content instantly, and get CDN analytics in real time. Get a free test account today.
KeyCDN - KeyCDN is a high-performance Content Delivery Network (CDN). Lowest price globally at $0.04/GB with HTTP/2 Support and free Origin Shield.