| Rank | Performance Graph | OS | Outage hh:mm:ss | Failed Req% | DNS | Connect | First byte | Total |
|---|---|---|---|---|---|---|---|---|
| 1 | Rackspace | Linux | 0:00:00 | 0.000 | 0.489 | 0.010 | 0.022 | 0.022 |
| 2 | New York Internet (NYI) | FreeBSD | 0:00:00 | 0.000 | 0.558 | 0.055 | 0.110 | 0.110 |
| 3 | Bigstep | Linux | 0:00:00 | 0.000 | 0.213 | 0.074 | 0.148 | 0.148 |
| 4 | CWCS Managed Hosting | Linux | 0:00:00 | 0.000 | 0.281 | 0.075 | 0.150 | 0.150 |
| 5 | Webair | Linux | 0:00:00 | 0.000 | 0.331 | 0.078 | 0.157 | 0.157 |
| 6 | ServerStack | Linux | 0:00:00 | 0.000 | 0.226 | 0.094 | 0.189 | 0.189 |
| 7 | www.choopa.com | Linux | 0:00:00 | 0.006 | 0.256 | 0.004 | 0.023 | 0.023 |
| 8 | Aruba | Linux | 0:00:00 | 0.006 | 0.449 | 0.005 | 0.027 | 0.028 |
| 9 | www.dinahosting.com | Linux | 0:00:00 | 0.006 | 0.216 | 0.080 | 0.161 | 0.161 |
| 10 | Hyve Managed Hosting | Linux | 0:00:00 | 0.006 | 0.149 | 0.083 | 0.165 | 0.165 |
See full table
Rackspace was the most reliable hosting company site in May 2021, taking the top spot for the third time in the past 12 months, and appearing in the top 10 for 10 of the last 12 months. The top six hosting companies all responded to every request from Netcraft, and are ranked by the average connection time. Rackspace had the lowest average connection time of the six, earning it the title of most reliable hosting company site in May 2021. Rackspace offers a variety of cloud hosting solutions from 40 data centres across five different continents in the Americas, Europe, Asia and Australia.
Second place goes to NYI, which has also appeared in the top 10 most reliable hosting company site for 10 of the last 12 months. NYI offers bare metal, cloud and colocation services from its four data centres in the US.
Positions three to five were separated by an average response time of just 4ms, and go to Bigstep, CWCS and Webair respectively. All three of these sites responded to every request from Netcraft, as did ServerStack in sixth place.
FreeBSD made an appearing at second place in May with NYI, with the remaining nine sites in the top 10 using Linux.
Netcraft measures and makes available the response times of around twenty leading hosting providers’ sites. The performance measurements are made at fifteen minute intervals from separate points around the internet, and averages are calculated over the immediately preceding 24 hour period.
From a customer’s point of view, the percentage of failed requests is more pertinent than outages on hosting companies’ own sites, as this gives a pointer to reliability of routing, and this is why we choose to rank our table by fewest failed requests, rather than shortest periods of outage. In the event the number of failed requests are equal then sites are ranked by average connection times.
Information on the measurement process and current measurements is available.
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