Most ISP’s provide are overloaded and dealing with traffic headaches, by default the servers are connected to the their servers ,you need to manually offload your connection to a less-burdened server.
How to achieve
Use a router
Using router will minimize your system burden. The routers job is to authenticate the session , distribute an IP address and further initiate connection with ur ISP’s DNS and proxy servers, maintains pretty decent firewall.
OpenDNS
When you enter wikispace.in, in the browser, DNS servers are one which directs to the correct server. OpenDNS is a free service, which speeds ur internet connection by re-routing you to the DNS server geographically closer and reliable than your internet service provider. In addition you have parental controls as a bonus. You just need to register free in OpenDNS Site
Modem optimizer
Modem optimizers are softwares, which optimizer ur modem to the best servers, depending on speed, traffic etc. there are several optimizer which speeds up ur modem to best level possible. One I recommend is Modem booster which is free to use, faster , reliable and it optimize ur modem up to 300%. You can check ur internet speed at Speedtest.
Have a look: