Which metrics does the ZDX Web Probe provide?

The ZDX Web Probe is designed to evaluate and monitor the performance of web applications, focusing on user experience metrics that are critical in assessing how well a web application performs from the user's perspective. The metrics provided are pivotal for diagnosing issues that might affect usability and accessibility.

Page Fetch Time is essential as it reflects the total time taken for a web page to load, from the moment a user requests it until it is fully displayed. DNS Time measures the duration necessary for the domain name system to resolve the web address, which is a crucial factor in overall performance, especially for users accessing services worldwide.

Server Response Time helps diagnose backend performance issues by measuring the time taken by the server to respond to a request after receiving it. Availability evaluates whether the web application is accessible and functioning as intended.

By focusing on these specific metrics, the ZDX Web Probe offers valuable insights into the end-user experience, allowing organizations to pinpoint performance bottlenecks and enhance the reliability and usability of their web applications. The other answer choices do not align with the primary metrics relevant to assessing web application performance as provided by ZDX Web Probe.