Clickando su i links puoi testare la performance della tua linea ADSL
http://www.puntoadsl.net/test.html
http://www.brinweb.com/meter/meter.php
http://help.virgilio.it/velox/
http://atlanet.tlxnet.it:81/speed/html/
http://www.free.imolanet.com/test.htm
http://speedtest.dslreports.com/
http://www.luxa.it/luxa/luxatv/company/connessione.htm