Chrome’s Refresh Tools

Normal reload
This will use the cache but revalidate everything during page load, looking for “304 Not Modified” responses. If the browser can avoid re-downloading cached JavaScript files, images, text files, etc. then it will.

Hard reload
Don’t use anything … Read more

The TCP Handshake Process

Internet traffic starts with a basic tuple: protocol, host and port. The browser provides three functions, render, computation and IO (a messaging layer that allows these origins to communicate.) Through IO layer, the browser then tries to resolve the requested … Read more