Select Research-Desk Tools, Options, Internet Options (Advanced) to change HTTP and TCP/IP settings.

For maximum speed, move the HTTP Connections Per Server slider over to the far right.

Select the TCP/IP Setting that best corresponds to the type of connection. Select Optimize for Dial-Up (56K) Connection if your internet connection is via a dial-up modem of up to 56Kbps. Select Optimize for Broadband (>128K) Connection if your internet connection is a high speed connection such as ISDN, DSL, Cable, T1 or a corporate LAN. 

The TCP Window controls how much data can be downloaded before your computer must send an 'acknowledgement' - a small piece of information acknowledging receipt of the data. Larger windows yield better performance because less time is spent sending acknowledgements. Smaller windows yield better error recovery because the more frequent acknowledgements help identify erroneous transmissions more quickly. Each error requires retransmission of the whole TCP window.

The TCP Window Size affects transmission speeds and quality even more with asymmetric connections such as Cable, ADSL and 56K modems because asymmetric connections deliver significantly different upload and download speeds.

Selective Acknowledgements (SACK) lets your computer request retransmission of only the lost packets, instead of the whole TCP window. This provides potentially huge performance advantages, especially with a large TCP Window as only the lost bytes instead of the whole TCP Window (which may be hundreds of kilobytes) is retransmitted

Research-Desk enables SACK and selects an optimal TCP Window Size based on the type of connection. These two settings can significantly speed up web page viewing.

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