Calibre revenue, CEO Ben Schwarz, team size, customer count, churn, and more in 2026.

Calibre is a web performance monitoring platform for professional teams. Our goal is to make tracking, analysing and actioning speed insights as simple as possible. Driven by years of experience and leadership in web performance, user experience, and the web platform, we continue to build a vital set of tools for measuring web performance, such as: → Speed reports for Pull Requests → Third Party Performance analysis → Actionable advice for Core Web Vitals → Monthly and weekly insights reports → Performance budgets and alerts → Dozens of locations, network, and device settings → Robust CLI and Node.js APIs …and so much more. We’re firm believers that anyone can positively impact user experience given the right tools and page speed literacy. That’s why we build Calibre to be equally useful to developers, designers, testers, managers, stakeholders, and anyone else with an interest in making the web a more equitable and accessible place. With Calibre’s insights, you can bring the case for web performance to your organisation, improve over competition, and ensure your speed doesn’t degrade over time. Sign up for a free trial: https://calibreapp.com/sign-up