| Used Operating Systems by Visits |
| 1 | 3339 | 11.87 | 2746 | 53.32 | +http://www.baidu.com/search/spider.html |
| 2 | 15036 | 53.46 | 788 | 15.30 | Windows NT |
| 3 | 1207 | 4.29 | 358 | 6.95 | http://www.majestic12.co.uk/bot.php?+ |
| 4 | 1395 | 4.96 | 346 | 6.72 | +http://www.bing.com/bingbot.htm |
| 5 | 2724 | 9.69 | 284 | 5.51 | +http://www.google.com/bot.html |
| 6 | 1316 | 4.68 | 257 | 4.99 | ezooms.bot@gmail.com |
| 7 | 1236 | 4.39 | 124 | 2.41 | +http://yandex.com/bots |
| 8 | 115 | 0.41 | 44 | 0.85 | +http://www.exabot.com/go/robot |
| 9 | 51 | 0.18 | 26 | 0.50 | Windows 95 |
| 10 | 58 | 0.21 | 25 | 0.49 | http://crawler.sistrix.net/ |
| 11 | 74 | 0.26 | 24 | 0.47 | Windows 98 |
| 12 | 110 | 0.39 | 20 | 0.39 | http://help.yahoo.com/help/us/ysearch/sl... |
| 13 | 29 | 0.10 | 15 | 0.29 | +http://ahrefs.com/robot/ |
| 14 | 20 | 0.07 | 12 | 0.23 | Windows 2000 |
| 15 | 85 | 0.30 | 12 | 0.23 | Linux i686 [unknown version] |
| 16 | 24 | 0.09 | 9 | 0.17 | Windows 3.1 |
| 17 | 8 | 0.03 | 7 | 0.14 | MSIE 5.5; Windows NT 4.0 |
| 18 | 7 | 0.02 | 6 | 0.12 | +http://pmoz.info/doc/botinfo.htm |
| 19 | 14 | 0.05 | 6 | 0.12 | Windows ME |
| 20 | 6 | 0.02 | 6 | 0.12 | MSIE 5.5; Windows NT 5.0 |
| 21 | 148 | 0.53 | 4 | 0.08 | Intel Mac OS X 10.5 |
| 22 | 688 | 2.45 | 4 | 0.08 | +http://www.warebay.com/bot.html |
| 23 | 10 | 0.04 | 4 | 0.08 | +info@netcraft.com |
| 24 | 8 | 0.03 | 4 | 0.08 | +http://www.acoon.de/robot.asp |
| 25 | 2 | 0.01 | 2 | 0.04 | http://about.ask.com/en/docs/about/webma... |
| 26 | 3 | 0.01 | 2 | 0.04 | Windows CE |
| 27 | 145 | 0.52 | 2 | 0.04 | PPC Mac OS X 10.4 |
| 28 | 56 | 0.20 | 2 | 0.04 | BlackBerry |
| 29 | 8 | 0.03 | 2 | 0.04 | +http://www.seoprofiler.com/bot |
| 30 | 94 | 0.33 | 2 | 0.04 | PPC Mac OS X 10.5 |
| 31 | 1 | 0.00 | 1 | 0.02 | NetNose-Crawler 2.0; A New Search Experi... |
| 32 | 2 | 0.01 | 1 | 0.02 | http://www.searchmetrics.com/en/searchme... |
| 33 | 1 | 0.00 | 1 | 0.02 | www.galaxy.com; www.psychedelix.com |
| 34 | 4 | 0.01 | 1 | 0.02 | +http://botw.org |
| 35 | 2 | 0.01 | 1 | 0.02 | ) - BrowseX (2.0.0 Windows |
| 36 | 30 | 0.11 | 1 | 0.02 | X11 |
| 37 | 24 | 0.09 | 1 | 0.02 | Intel Mac OS X 10.6 |
| 38 | 2 | 0.01 | 0 | 0.00 | http://desktop.google.com/ |
| 39 | 3 | 0.01 | 0 | 0.00 | Macintosh PPC |
| 40 | 1 | 0.00 | 0 | 0.00 | Win32 |
| 41 | 24 | 0.09 | 0 | 0.00 | Windows 9. |
| 42 | 2 | 0.01 | 0 | 0.00 | Linux [unknown version] |
| 43 | 4 | 0.01 | 0 | 0.00 | MSIE 5.5; Windows NT 5.1 |
| 44 | 9 | 0.03 | 0 | 0.00 | Windows XP |
