The best replacement for webrequest is httpwebrequest.

The best alternatives to webrequest are rated as following:
★★★★★  httpwebrequest
★★★  httprequest
★★★  webclient
★★  httpclient
★★  ftpwebrequest

Your alternative for webrequest is not listed? Suggest!
Speaking about webrequest, one probably shouldn't forget about post c#.

Other search terms related to webrequest and their ratings are:
★★★★★ post c#
You have in mind a companion for webrequest and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of webrequest in all years. Click on graph for more.
webrequest
httpwebrequest
httprequest