Reduce DNS Lookups

1
How to Reduce DNS Lookups and Speed Them Up?
2
What is DNS?

• Domain Name System (DNS) is a protocol under
  which a domain address is converted into an IP
  address and redirects the browser to a particular
  web server where the website files are hosted.
  This server then returns the requested web page
  and displays it in your devices browser. A
  domain name system can also be termed a Directory
  of the Internet, where it searches for the IP
  address associated with the specific domain name.
  Each device connected to the internet has a
  unique IP address, using which other machines
  communicate with it.

3
What does DNS lookup mean?

Since you have already read about what exactly
DNS means and how it works in the above section.
The DNS lookup is a process in which the browser
finds the IP address to which the domain name
belongs. Due to this process, it became easy for
a user to understand and use the domain name
rather than the IP address of the website and be
able to communicate with the server that has
stored the requested information.

4

• The whole process starts when you try to access a
  webpage from your browser, it tries to search for
  all the resources that require DNS lookup and it
  has to wait for some time (average waiting time
  is 20-120 milliseconds) until the complete lookup
  process end and before it begins to download
  anything.

5
How can you reduce DNS lookups WordPress and
boost its speed?

• The process to reduce DNS lookups and boost its
  speed is quite straightforward. Even if you run a
  performance test in Pingdom, you will find
  minimize DNS lookups. It means your website has
  to reduce DNS lookups to boost up its speed.
  There are some tips we are going to mention, that
  will help you to improve your DNS response time.
• In addition to it, you will also get to know
  different ways to boost up the speed of website
  DNS lookup, so that your website falls under
  Googles recommended parameters and chances of
  getting better ranks in SERPs will be higher.