A slow internet connection could be caused by any number of reasons.It may be connection or Traffic problem.To increase your internet speed use the following tips given below:
1.Clear cookies from your Browser.
2.Delete unwanted files.
It is important to clean your PC regularly.It means a normal maintenance tasks such as, cleaning the disks, registry repairs and Disk management.
4.If you are using DSL Connection over your Landline, make sure that you have high quality filters in place to get optimus signal speed.
5.Upgrade your modem.
6.Use updated Browser.
7.Consult with your Internet service provider to ensure that your modem is configured correctly.
8.Replace your telephone modem with a fast-access connection such as wave,ISDN,DSL,Satellite,a cable modem.
9.Tweak your router settings.
10.Install Antivirus Software.
11.Reduce your Bandwidth overhead.
Still your internet speed is slow then, Contact your ISP and get latest speed plan from them.It's better way to increase internet speed.
After completing this steps, you can check your internet speed whether increase or not using this site ScanmySpeed.com