Amazon S3 or Amazon Simple Storage Service is a service offered by Amazon Web Services (AWS) that provides object storage through a web service interface.
Azure Front Door is a scalable and secure entry point for fast delivery of your global web applications.
HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
Optimizely is an experimentation platform that helps developers build and run A/B tests on websites.