During November all of the sites monitored experienced some failed requests, with New York Internet the most reliable site during the period, followed by Pair Networks.

Half of the top ten sites were running BSD based operating systems, with four running Linux, and hosting.com nee Express Technologies running Windows.

Netcraft measures and makes available the response times of fifty leading hosting providers' sites. The performance measurements are made at fifteen minute intervals from four separate points around the internet, and averages are calculated over the immediately preceding 24 hour period.

Fuller information on the measurement process and current measurements are available.