| Used Operating Systems |
| 1 | 23716 | 38.12 | 12794 | 78.63 | +http://ahrefs.com/robot/ |
| 2 | 18064 | 29.04 | 635 | 3.90 | +http://yandex.com/bots |
| 3 | 6634 | 10.66 | 2 | 0.01 | +http://megaindex.com/crawler |
| 4 | 6252 | 10.05 | 162 | 1.00 | http://mj12bot.com/ |
| 5 | 2291 | 3.68 | 219 | 1.35 | Windows NT |
| 6 | 2066 | 3.32 | 1740 | 10.69 | +http://www.baidu.com/search/spider.html |
| 7 | 607 | 0.98 | 162 | 1.00 | +http://www.google.com/bot.html |
| 8 | 565 | 0.91 | 5 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 9 | 532 | 0.86 | 8 | 0.05 | +http://siteexplorer.info/Backlink-Check... |
| 10 | 471 | 0.76 | 192 | 1.18 | +http://www.bing.com/bingbot.htm |
| 11 | 435 | 0.70 | 211 | 1.30 | +http://www.linkdex.com/bots/ |
| 12 | 127 | 0.20 | 4 | 0.02 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 13 | 90 | 0.14 | 38 | 0.23 | +spider@seoscanners.net |
| 14 | 51 | 0.08 | 8 | 0.05 | Windows 95 |
| 15 | 47 | 0.08 | 44 | 0.27 | +http://www.uptime.com/uptimebot |
| 16 | 40 | 0.06 | 7 | 0.04 | http://help.yahoo.com/help/us/ysearch/sl... |
| 17 | 39 | 0.06 | 4 | 0.02 | http://www.botje.com/plukkie.htm |
| 18 | 30 | 0.05 | 1 | 0.01 | Windows 98 |
| 19 | 20 | 0.03 | 2 | 0.01 | +http://seocharger.com/robot |
| 20 | 17 | 0.03 | 1 | 0.01 | +http://www.linkpad.ru |
| 21 | 16 | 0.03 | 5 | 0.03 | +http://cs.daum.net/faq/15/4118.html?faq... |
| 22 | 13 | 0.02 | 0 | 0.00 | Windows XP |
| 23 | 13 | 0.02 | 2 | 0.01 | MSIE 5.5; Windows NT 4.0 |
| 24 | 9 | 0.01 | 2 | 0.01 | Windows ME |
| 25 | 9 | 0.01 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 26 | 8 | 0.01 | 3 | 0.02 | Windows 2000 |
| 27 | 8 | 0.01 | 7 | 0.04 | +info@netcraft.com |
| 28 | 7 | 0.01 | 0 | 0.00 | Windows 3.1 |
| 29 | 7 | 0.01 | 2 | 0.01 | MSIE 5.5; Windows NT 5.0 |
| 30 | 7 | 0.01 | 3 | 0.02 | X11 |
| 31 | 5 | 0.01 | 2 | 0.01 | Windows CE |
| 32 | 4 | 0.01 | 2 | 0.01 | +http://www.exabot.com/go/robot |
| 33 | 2 | 0.00 | 2 | 0.01 | http://nmap.org/book/nse.html |
| 34 | 2 | 0.00 | 2 | 0.01 | +http://www.id-search.xyz/bot.html |
| 35 | 2 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
