6. 1. DNS
“ bethesignal.org ”
Browser Router ISP DNS
“ 70 . 85 . 31 . 216 “
DNS Host
7. 1. DNS
“ bethesignal.org ”
Browser 10 ms Router 160 ms
ISP DNS
“ 70 . 85 . 31 . 216 “ 210 ms
DNS Host
8. 1. DNS
“ bethesignal.org ”
Browser 10 ms Router 160 ms
ISP DNS
“ 70 . 85 . 31 . 216 “ 210 ms
DNS Host
Google’s web performance
team calculate the average
DNS query takes 130ms!
9. 2. HTTP
“ bethesignal.org “
Browser 10 ms Router 160 ms
ISP DNS
“ 70 . 85 . 31 . 216 “ 210 ms
DNS Host
70 . 85 . 31 . 216 : 80
Web Ser ver
10. 2. HTTP
“ bethesignal.org “
Browser 10 ms Router 160 ms
ISP DNS
“ 70 . 85 . 31 . 216 “ 210 ms
220 ms
DNS Host
70 . 85 . 31 . 216 : 80
Web Ser ver
11. 3. PHP
“ bethesignal.org “
Browser 10 ms Router 160 ms
ISP DNS
“ 70 . 85 . 31 . 216 “ 210 ms
220 ms
DNS Host
70 . 85 . 31 . 216 : 80
Web Ser ver PHP
12. 3. PHP
“ bethesignal.org “
Browser 10 ms Router 160 ms
ISP DNS
“ 70 . 85 . 31 . 216 “ 210 ms
220 ms
DNS Host
70 . 85 . 31 . 216 : 80
650 ms
Web Ser ver PHP
13. 4. MySQL
“ bethesignal.org “
Browser 10 ms Router 160 ms
ISP DNS
“ 70 . 85 . 31 . 216 “ 210 ms
220 ms
DNS Host
70 . 85 . 31 . 216 : 80
Web Ser ver PHP MySQL