After August, which contained the Blaster Worm, the SoBig Virus, and the North East US/Canada power outage, September was a much more benign month for the internet, with the top two sites showing remarkable reliability.
Just one of the 2976 requests made from our five performance measurement points to the British Telecom site failed, and only two out of 2976 requests failed to the Dell Host site.
These are the most reliable statistics that have been posted to date on a calendar month basis, and also the first time that a site running Windows has been placed top.
Geographically, despite four out of five of our measurement points being in the US, European sites accounted for four of the ten most reliable sites with fewest failed requests. With respect to operating systems, three of the top six sites run Windows, and seven of the top thirteen run FreeBSD.
Netcraft measure and makes available the response times of fifty three 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.
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