How to guides

Learn about web performance and how to monitor it.

Introductory

Getting Started with DebugBear
Configuring test devices

Common data problems

Why are Lighthouse scores inconsistent between different tools?
What's the difference between lab and field data?

Web Performance Topics

Core Web Vitals
Largest Contentful Paint
Cumulative Layout Shift
Interaction to Next Paint

Specific in-depth guides

Longer tutorials on getting set up with performance and quality monitoring:

Analyzing pages with the DebugBear CLI
Monitoring Lighthouse scores and bundle sizes with CircleCI and Github
How to reduce variance between Lighthouse tests
Measuring the performance of user journeys
Monitoring pages behind Basic Auth
Run performance test as part of your Azure DevOps pipelines
Testing Lighthouse scores and page performance in GitLab pipelines Testing Lighthouse scores and page performance on Bitbucket