| 1.
Your browser/mail client |
The
program accessing the Internet needs to process the
data |
| 2.
Other software |
Programs
like ad blockers and virus scanners process it first |
| 3.
Operating system |
Your
operating system may not be optimized by default. |
| 4.
Your hardware |
The
modem and in some cases old computer hardware |
| 5.
Your LAN |
If
you are on a LAN, common at offices, other users
share the connection with you |
| 6.
Your connection |
The
capacity and quality of the line between you and
your ISP are important and so is the physical
distance for DSL |
| 7.
Your neighborhood |
Cable
Internet users share their connection to their ISP
with their neighbors |
| 8.
Your ISP |
The
quality and capacity of your ISP's equipment |
| 9.
ISP's connection |
The
quality of their connection and even more important,
how many subscribers they have sharing it |
| 10.
Router to router |
Your
data gets passed from router to router, how many
depends on how many networks away the end server is |
| 11.
The end connection |
Whatever
server you are accessing needs to have a connection
and it too can get clogged with traffic |
| 12.
The end server |
The
server your computer is communicating with on the
other end has the same speed factors like OS, LAN,
and hardware |