Basics & measurement
7 terms from the Performance & Core Web Vitals category.
- Chrome UX Report (CrUX)
The Chrome UX Report (CrUX) is a public Google dataset that reflects how real Chrome users experience websites.
- Field data vs. lab data
Field data is performance data collected from real visitors on their own devices and networks.
- Lighthouse
Lighthouse is, in the web context, an open-source, automated tool from Google that audits the quality of web pages.
- Page speed
Page speed is how quickly a web page loads, becomes visible, and responds to user input.
- PageSpeed Insights
PageSpeed Insights (PSI) is a free Google tool that analyzes the performance of a web page on mobile and desktop and suggests improvements.
- Real user monitoring (RUM)
Real user monitoring (RUM) collects performance data from real visits to a website or app, using code that runs in the visitor's browser.
- Web performance
In web development, web performance is how quickly a website loads, becomes usable and reacts to input.