What powers opyn.co?

A/B Testing

Google Optimize

since Mar 2021

Analytics

Amplitude

since Aug 2024

Cloudflare Browser Insights

since Dec 2025

Fathom

since Feb 2022

Google Analytics

since Feb 2020

Hotjar

since Feb 2020

Vercel Analytics

since Feb 2025

Vercel Speed Insights v1.1.0

since Feb 2025

CDN

Cloudflare

since Feb 2023

jsDelivr

since Aug 2024

Font scripts

Google Font API

since Feb 2021

Issue trackers

Sentry

since Jan 2021

JavaScript frameworks

JSS

since Feb 2022

Next.js v14.2.23

since Jul 2021

Next.js App Router

since Apr 2024

React

since Feb 2020

JavaScript graphics

Chart.js

since Sep 2021

JavaScript libraries

core-js v3.19.0

since Aug 2024

Ethers

since May 2023

jQuery v3.5.1

since Aug 2024

lit-element v3.3.3

since Feb 2025

lit-html v2.8.0

since Feb 2025

Lodash v4.17.21

since Feb 2020

Live chat

Crisp Live Chat

since Sep 2021

Miscellaneous

HTTP/3

since Feb 2023

LottieFiles

since Aug 2024

Open Graph

since Feb 2023

PWA

since May 2023

Webpack

since Jul 2021

PaaS

Heroku

since Aug 2022

Netlify

since Feb 2020

Vercel

since Mar 2022

Page builders

Webflow

since Aug 2024

Performance

Priority Hints

since Apr 2024

Programming languages

Node.js

since Jul 2021

Security

Cloudflare Bot Management

since Oct 2023

HSTS

since Sep 2022

UI frameworks

MUI

since May 2022

Radix UI

since Apr 2024

shadcn/ui

since Apr 2024

Tailwind CSS

since Apr 2022

Webmail

Google Workspace

since Aug 2022