This analysis relates to those sites found in the survey where the common name in the certificate matched the hostname, and the certificate's digital signature was not detected as being self-signed.
Responses were obtained from 1014301 sites all locations with the following shares for each server developer.Other views of this data are on separate pages:
- Trend over time
- Analysis by operating system
- Analysis by individual server product
- Mapping between vendors & server signatures
| Vendor | Sites | Percentage |
|---|---|---|
| Apache | 452381 | 44.60 |
| Microsoft | 427754 | 42.17 |
| Other | 108300 | 10.68 |
| IBM | 13083 | 1.29 |
| Sun | 4583 | 0.45 |
| Oracle | 3925 | 0.39 |
| Netscape | 3069 | 0.30 |
| Zeus | 726 | 0.07 |
| O'Reilly | 184 | 0.02 |
| Red Hat | 171 | 0.02 |
| StarNine | 121 | 0.01 |
| CERN | 3 | 0.00 |
| Open Market | 1 | 0.00 |