Google Analytics is a free web analytics service that tracks and reports website traffic.
Google Sign-In is a secure authentication system that reduces the burden of login for users, by enabling them to sign in with their Google account.
LiteSpeed is a high-scalability web server.
Priority Hints exposes a mechanism for developers to signal a relative priority for browsers to consider when fetching resources.
Stripe offers online payment processing for internet businesses as well as fraud prevention, invoicing and subscription management.