What is domain pre-fetching and how does it help with performance?

1.	What is domain pre-fetching and how does it help with performance?
Answer» Domain prefetching is a process of resolving a website’s IP ADDRESS before a user clicks on it. Types of prefetching Link Prefetching DNS Prefetching Prerendering This process allows the browser to perform the DNS lookups on a PAGE in the background and at the same time the user can browse the current page. This minimizes LATENCY as when the user clicks on the links they don't have to WAIT for DNS lookup.

Answer»

Domain prefetching is a process of resolving a website’s IP ADDRESS before a user clicks on it.

Types of prefetching

Link Prefetching
DNS Prefetching
Prerendering

This process allows the browser to perform the DNS lookups on a PAGE in the background and at the same time the user can browse the current page. This minimizes LATENCY as when the user clicks on the links they don't have to WAIT for DNS lookup.

Discussion

No Comment Found

Related InterviewSolutions

What is the use of clear in CSS?
What are the new features in HTML5?
What is the difference between HTML XHTML and XML?
What are the advantages of tableless layout?
Explain the features of Three.js?
What is the purpose of JSON.stringify()?
Explain the difference between internal and external Javascript?
What are the building blocks of HTML5?
What is the difference between a unit test and a functional test?
What is domain pre-fetching and how does it help with performance?

What is domain pre-fetching and how does it help with performance?

Discussion

No Comment Found

Related InterviewSolutions

Reply to Comment