DNS resolution and ip
url Uniform Resource Locator It may be specified in a resource file is probably a method (such as interfaces)
Why do I see a site that moves it is because the browser can parse html
DNS resolution ip address
http Definitive Guide
js engine
301 302
Domain name server ip server
Whether legitimate cookie
.cn .org .gov top-level domain
www.baidu.com
news.baidu.com.
From right to left to resolve domain names to parse Is the public network (the outermost layer of the domain name) and then parse the meaning of sub-domain .com and baidu news is then followed by ip and then return to the page
Why not take the total public
Hash local operators make a deposit (optimization)
Thing webserver behind
Performance (time point) data collection method
TCP transport layer 4 transport protocol data penultimate
IP Network Protocol Layer 3 addressing countdown
DNS is an alias ip
Complementary
The front page rendering process
Army Regulation [Yahoo]
https://developer.yahoo.com/performance/?guccounter=1&guce_referrer=aHR0cHM6Ly93d3cuY25ibG9ncy5jb20v&guce_referrer_sig=AQAAAAta0j_5fOO-_1WbzGD7MAK2k0t5Ky0KC47O9_W4pcN78fZ2Zkzd3JV4vMSA-Y4zb5rsXMMsaqFLCZo5SlYaFaYAbwNbHGNWgk-RBVBR1aWqKjTOfQlsxNLrOe7c5xxdBF6tjTw45R_xEs1cj-K4q1g8yApulVbftV9uzez8-7eA
[As a front-end engineer you know what your little partner] --chrome
https://github.com/ChenChenJoke/JokerChrome
[## Web Performance Optimization: Performance, data collection methods ###]
https://github.com/ChenChenJoke/JokerWebFont/tree/master/Performance