How to speed up computer with Internet?

It is normally observed that computer runs slowly while it connected to the internet.Usually there are many reasons due to which it happened.but there are many key points also which can resolve these problems. so if some one follow them they could give good results.

there are six ways to speed up your computer:

1.  Remove spyware, and help protect your computer from viruses.
2. Free up disk space by deleting unessential things.
3. Speed up access to data by using  Disk Defragmenter.
4. Detect and repair disk errors by running the Error Checking utility.
5. Speedup your computer by using  ReadyBoost if Windows 7 or Windows Vista is in usage.
6. If all above tips remains result less then upgrade  to  Windows 7.