From the course: Developing for Web Performance
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How browsers render content
From the course: Developing for Web Performance
How browsers render content
- [Instructor] To understand performance optimization, you first need a solid understanding of how typing something into the address bar of a browser results in the page being rendered in the viewport. So let's follow our requests to some site.com all the way from the initial request to the final results. It all starts with the browser sending a request for some site.com to its ISP, that's the internet service provider for the current internet connection the browser is connected to, that could be your regular internet provider, if you're in your house or an office, or it could be your cell phone provider, if you're using your mobile phone, the ISP then sends the request immediately to a DNS domain name service. This is effectively a phone book for the web, associating the host name or URL. So Universal Resource Identifier in our case, some site.com with an IP address the actual location of that service. This by the way, is…
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