| Used Operating Systems |
| 1 | 26427 | 50.06 | 259 | 1.97 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 12379 | 23.45 | 7554 | 57.54 | +http://ahrefs.com/robot/ |
| 3 | 4793 | 9.08 | 3483 | 26.53 | +http://www.baidu.com/search/spider.html |
| 4 | 4167 | 7.89 | 891 | 6.79 | Windows NT |
| 5 | 1973 | 3.74 | 10 | 0.08 | +http://www.warebay.com/bot.html |
| 6 | 1698 | 3.22 | 348 | 2.65 | +http://www.google.com/bot.html |
| 7 | 548 | 1.04 | 289 | 2.20 | +http://www.bing.com/bingbot.htm |
| 8 | 239 | 0.45 | 28 | 0.21 | +http://www.linkdex.com/bots/ |
| 9 | 173 | 0.33 | 44 | 0.34 | +http://yandex.com/bots |
| 10 | 90 | 0.17 | 75 | 0.57 | +http://www.xovibot.net/ |
| 11 | 62 | 0.12 | 52 | 0.40 | +http://www.uptime.com/uptimebot |
| 12 | 48 | 0.09 | 18 | 0.14 | Windows XP |
| 13 | 31 | 0.06 | 17 | 0.13 | Windows 95 |
| 14 | 29 | 0.05 | 11 | 0.08 | Windows 98 |
| 15 | 27 | 0.05 | 1 | 0.01 | +http://filterdb.iss.net/crawler/ |
| 16 | 22 | 0.04 | 5 | 0.04 | Windows ME |
| 17 | 14 | 0.03 | 8 | 0.06 | Windows 3.1 |
| 18 | 12 | 0.02 | 1 | 0.01 | http://www.opensiteexplorer.org/dotbot, ... |
| 19 | 7 | 0.01 | 6 | 0.05 | Windows CE |
| 20 | 7 | 0.01 | 6 | 0.05 | MSIE 5.5; Windows NT 5.0 |
| 21 | 7 | 0.01 | 4 | 0.03 | X11 |
| 22 | 6 | 0.01 | 2 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 23 | 6 | 0.01 | 2 | 0.02 | +https://www.lipperhey.com/en/about/ |
| 24 | 4 | 0.01 | 3 | 0.02 | Android 2.3.5 |
| 25 | 3 | 0.01 | 3 | 0.02 | Windows 2000 |
| 26 | 3 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 27 | 3 | 0.01 | 1 | 0.01 | +info@netcraft.com |
| 28 | 3 | 0.01 | 1 | 0.01 | http://crawler.007ac9.net/ |
| 29 | 2 | 0.00 | 2 | 0.02 | Auto; Windows |
| 30 | 2 | 0.00 | 2 | 0.02 | Linux i586 [unknown version] |
| 31 | 1 | 0.00 | 1 | 0.01 | +http://www.privacyaware.org |
| 32 | 1 | 0.00 | 1 | 0.01 | http://nmap.org/book/nse.html |
| 33 | 1 | 0.00 | 1 | 0.01 | ) - BrowseX (2.0.0 Windows |
