---スピード測定サイト---
http://www.studio-radish.com/tea/netspeed/index.html
http://speedtest.excite.co.jp/
http://www.musen-lan.com/speed/
http://speed.rbbtoday.com/
http://homepage1.nifty.com/takuo/speed/
http://member.nifty.ne.jp/oso/speedtest/
http://www.oak.dti.ne.jp/~flash/speedeye.html
http://www.usen.com/speedtest/
http://www.dslreports.com/stest?loc=1