![]() ![]() Page load time plays a significant role in retaining website visitors and reducing bounce rates. Having a website that loads fast not only provides a better visitor experience, but it can also affect your SEO ranking. And this event can eventually cause slow load times on that website. It can take some time, especially on the page that uses many DNS lookups. ![]() And it must wait until all the processes are completed before the browser can load anything. In general, when you’re visiting a web page, the browser will request all the resources with DNS lookups. In other words, your browser only makes three DNS lookups: Though as in the example you made five requests, there are only three unique domains in total. For example, when you make the following HTTP requests: However, the lookup doesn’t have to be pulled off from every resource. So, before you can view and download all the resources with your browser, a DNS lookup has to be performed for every domain that provides the information. This process of translating and finding which IP belongs to which website is what DNS lookup is all about. Without DNS, you would have to type 216.58.212.110 to reach the site. For example, when you type in your browser’s address bar, your ISP will request the nameservers associated with that domain. Just like an address helps you avoid the use of coordinates, so does the domain name free us from memorizing IP addresses.Įvery domain is mapped to an IP address. DNS is fundamentally the backbone of our internet. ![]()
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