During August all of the hosters monitored experienced some failed requests, with iPowerWeb, Italian hoster SeeWeb and Rackspace the most reliable sites during the period.

For the first time, Linux is the dominant operating system, with five of the top ten running their sites on a Linux distribution.

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.