| Used Operating Systems by Visits |
| 1 | 2146 | 15.33 | 1732 | 45.05 | +http://www.baidu.com/search/spider.html |
| 2 | 7947 | 56.78 | 906 | 23.56 | Windows NT |
| 3 | 1207 | 8.62 | 502 | 13.06 | http://www.majestic12.co.uk/bot.php?+ |
| 4 | 309 | 2.21 | 278 | 7.23 | http://www.yodao.com/help/webmaster/spid... |
| 5 | 268 | 1.91 | 75 | 1.95 | +http://yandex.com/bots |
| 6 | 976 | 6.97 | 74 | 1.92 | +http://www.bing.com/bingbot.htm |
| 7 | 321 | 2.29 | 73 | 1.90 | +http://www.google.com/bot.html |
| 8 | 98 | 0.70 | 51 | 1.33 | Windows 95 |
| 9 | 49 | 0.35 | 31 | 0.81 | Windows 98 |
| 10 | 26 | 0.19 | 12 | 0.31 | +http://discoveryengine.com/discobot.htm... |
| 11 | 26 | 0.19 | 12 | 0.31 | ezooms.bot@gmail.com |
| 12 | 23 | 0.16 | 9 | 0.23 | Windows CE |
| 13 | 81 | 0.58 | 9 | 0.23 | http://help.yahoo.com/help/us/ysearch/sl... |
| 14 | 21 | 0.15 | 9 | 0.23 | MSIE 5.5; Windows NT 5.0 |
| 15 | 20 | 0.14 | 8 | 0.21 | MSIE 5.5; Windows NT 4.0 |
| 16 | 14 | 0.10 | 7 | 0.18 | Windows XP |
| 17 | 20 | 0.14 | 7 | 0.18 | +http://www.seoprofiler.com/bot |
| 18 | 15 | 0.11 | 6 | 0.16 | Windows 3.1 |
| 19 | 12 | 0.09 | 6 | 0.16 | Linux i686 [unknown version] |
| 20 | 6 | 0.04 | 6 | 0.16 | Intel Mac OS X 10.6 |
| 21 | 11 | 0.08 | 5 | 0.13 | Windows ME |
| 22 | 14 | 0.10 | 4 | 0.10 | Windows 2000 |
| 23 | 33 | 0.24 | 3 | 0.08 | Intel Mac OS X 10.5 |
| 24 | 18 | 0.13 | 3 | 0.08 | +http://www.scoutjet.com/ |
| 25 | 22 | 0.16 | 2 | 0.05 | PPC Mac OS X 10.4 |
| 26 | 14 | 0.10 | 2 | 0.05 | http://crawler.sistrix.net/ |
| 27 | 48 | 0.34 | 2 | 0.05 | +http://fulltext.sblog.cz/screenshot/ |
| 28 | 4 | 0.03 | 2 | 0.05 | +info@netcraft.com |
| 29 | 4 | 0.03 | 2 | 0.05 | http://www.search17.com/bot.php |
| 30 | 2 | 0.01 | 2 | 0.05 | Macintosh |
| 31 | 4 | 0.03 | 2 | 0.05 | +http://www.exabot.com/go/robot |
| 32 | 10 | 0.07 | 1 | 0.03 | +http://www.aihit.com/ |
| 33 | 100 | 0.71 | 1 | 0.03 | admin@lemurproject.org ; +http://boston.... |
| 34 | 20 | 0.14 | 1 | 0.03 | PPC Mac OS X Mach-O |
| 35 | 2 | 0.01 | 0 | 0.00 | http://desktop.google.com/ |
| 36 | 4 | 0.03 | 0 | 0.00 | +http://ahrefs.com/robot/ |
| 37 | 51 | 0.36 | 0 | 0.00 | +http://filterdb.iss.net/crawler/ |
| 38 | 51 | 0.36 | 0 | 0.00 | +http://www-935.ibm.com/services/us/inde... |
