Question

When referring to the critical rendering path in site performance, a critical resource is:?

Answer 1

A resource that could bloc introductory display of the page.

Explanation: A basic asset is an asset that could block starting rendering of the page. The less of these assets, the less work for the program, the CPU, and different resources.

In simultaneous programming, simultaneous gets to shared resources can prompt surprising or mistaken conduct, so parts of the program where the common resource is gotten to are secured. This secured segment is the basic area or basic district. It can't be executed by in excess of one process.

Answer 2

Critical rendering path is responsible for overlooking the sequence of steps that are required by the browser to receive HTML, CSS and Java bytes. Moreover, it also monitors the techniques required to make the user view the initial web page. 

While referring to a critical rendering path in site performance, a  critical resource would be anything that could block the initial display/ rendering web page. As the fewer the resources, the lesser the work for the browser and all necessary hardware required.