Bootstrap is a free and open-source CSS framework directed at responsive, mobile-first front-end web development. It contains CSS and JavaScript-based design templates for typography, forms, buttons, navigation, and other interface components.
Google Analytics is a free web analytics service that tracks and reports website traffic.
Google Optimize allows you to test variants of web pages and see how they perform.
HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
Jimdo is a website-builder and all-in-one hosting solution, designed to enable users to build their own websites.
Mailchimp is a marketing automation platform and email marketing service.
Nginx is a web server that can also be used as a reverse proxy, load balancer, mail proxy and HTTP cache.
Open Graph is a protocol that is used to integrate any web page into the social graph.
Trustpilot is a Danish consumer review website which provide embed stand-alone applications in your website to show your most recent reviews, TrustScore, and star ratings.
YouTube is a video sharing service where users can create their own profile, upload videos, watch, like and comment on other videos.