Crowd-Sourced Change Detection
Crowd-Sourced Change Detection is a Web Vitals Monitoring feature that detects performance regressions by comparing a website's current performance against baseline data from its most engaged users (those who visit most frequently). This approach provides early detection of performance issues that may impact user experience.
Related web performance terms
- CDN (Content Delivery Network)
A CDN, or Content Delivery Network, is a globally distributed network of servers designed to deliver web content to users quickly and efficiently.
- CORS (Cross-Origin Resource Sharing)
CORS is a browser security feature that uses HTTP headers to manage whether a web page from one domain is allowed to fetch resources from another domain.
- CPU time
CPU time is the amount of time the Central Processing Unit (CPU) of a user's device spends processing the scripts and rendering a webpage.
- Cache
A cache is a high-speed, temporary storage layer designed to store copies of website files (like HTML, images, and scripts) closer to the user.