Akamai mPulse is a real user monitoring (RUM) solution that enables companies to monitor, find, and fix website and application performance issues.
Akamai is global content delivery network (CDN) services provider for media and software delivery, and cloud security solutions.
Envoy is an open-source edge and service proxy, designed for cloud-native applications.
Priority Hints exposes a mechanism for developers to signal a relative priority for browsers to consider when fetching resources.