HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
Open Graph is a protocol that is used to integrate any web page into the social graph.
Paddle is a billing and payment gateway for B2B SaaS companies.
Priority Hints exposes a mechanism for developers to signal a relative priority for browsers to consider when fetching resources.
Termly provides free website policy resources and web-based policy creation software.
Vercel is a cloud platform for static frontends and serverless functions.