cdnjs is a free distributed JS library delivery service.
Cookiebot is a cloud-driven solution that automatically controls cookies and trackers, enabling full GDPR/ePrivacy and CCPA compliance for websites.
Google Tag Manager is a tag management system (TMS) that allows you to quickly and easily update measurement codes and related code fragments collectively known as tags on your website or mobile app.
HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
reCAPTCHA is a free service from Google that helps protect websites from spam and abuse.