Slow data extract
Maybe your Webserver is slow to send datas .... Reaction, bandwith .....
If you need a speedier extraction you should use proxies and multithreading. You can achieve this in WinAutomation but its not straightforward.
For the proxies use you can get a service:
and for multithreading you can start adapting this:
combine both and you are done.
be careful not starting a strong scraping, probably you should be fine waiting some reasonable time.
PD: use google translate on that links