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/3 is the third major version of the Hypertext Transfer Protocol used to exchange information on the World Wide Web.
Modernizr is a JavaScript library that detects the features available in a user's browser.
reCAPTCHA is a free service from Google that helps protect websites from spam and abuse.
Sucuri is a cybersecurity company that provides website security solutions and services.
Reveal CSS animation as you scroll down a page.
YouTube is a video sharing service where users can create their own profile, upload videos, watch, like and comment on other videos.