HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
Keen-Slider is a free library agnostic touch slider with native touch/swipe behavior.
Priority Hints exposes a mechanism for developers to signal a relative priority for browsers to consider when fetching resources.
Vercel is a cloud platform for static frontends and serverless functions.
Vimeo is a video hosting, sharing and services platform. Vimeo operation an ad-free basis by providing subscription plans.