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.
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.
Klaviyo is an email marketing platform for online businesses.
Open Graph is a protocol that is used to integrate any web page into the social graph.
Rewardful is a way for SaaS companies to setup affiliate and referral programs with Stripe.
Ruby on Rails is a server-side web application framework written in Ruby under the MIT License.