cdnjs is a free distributed JS library delivery service.
Facebook pixel is an analytics tool that allows you to measure the effectiveness of your advertising.
Google Analytics is a free web analytics service that tracks and reports website traffic.
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.
Tapfiliate is a cloud-based affiliate marketing software that helps businesses to create, track, and optimise their own affiliate marketing programs.
Vercel is a cloud platform for static frontends and serverless functions.