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Release notes: SAML Single Sign-On, Performance Budgets and more!

Release notes is our once a month summary of everything that we’ve launched and updated. Hello SSO With the release of SAML SSO, Calibre now…

CLI 1.2.0: Download artifacts, GraphQL and more!

To date the Calibre CLI has been used for testing performance following deployments, creating custom reports and dashboards and improving…

Lighthouse 4 and more

We have been working closely with the Lighthouse team to ensure that Calibre provides the best experience of the most popular performance…

Performance Postmortem: Mapbox Studio

Mapbox Studio empowers designers and developers to create beautiful map designs, kind of like photoshop for maps. And just like photoshop…

Time to Interactive – focusing on the human-centric metrics

Time is perceived subjectively by all of us therefore, optimizing for what directly affects this perception should be an essential part of…

A native lazy load for the Web platform

A new Chrome feature dubbed “Blink LazyLoad” is designed to dramatically improve performance by deferring the load of below-the-fold images…

Scheduler 2.0

Our longest standing feature request was to improve Calibre’s test scheduler. What we’ve built aims to be straightforward and uncomplicated…

CLI 1.0.8: Site, page and test profile management

Last month I shared the announcement of Calibre’s new comand line interface & Node.js API. Here is what we’ve improved since with customer…

Introducing Calibre CLI

CLI is a crucial part of a comprehensive system that helps to improve and automate monitoring performance. Here’s what the command line…

Profiling React performance with React 16 and Chrome Devtools.

React was one of the first major front-end frameworks to not only name, but tout its rendering performance. React’s virtual dom is famous…

New in Calibre: JavaScript parse and compile runtime metrics

After a busy November, we’re pleased to let you know that Calibre will now help you understand another vector of web performance…

The Critical Request

Serving a website seems pretty simple: Send some HTML, the browser figures out what resources to load next. Then we wait patiently for the…

Geckoboard integration: Create your own performance metrics dashboard 📈

For a long time now we’ve wanted to make Calibre fit right into existing workflows and integrate with the tools that you’re already using…

Three reasons why you should care about Google Lighthouse

If you live and breathe web performance chances are you’ve already heard about Lighthouse. If that’s not the case, worry not, after reading…

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