| Used Operating Systems |
| 1 | 7210 | 47.88 | 2624 | 43.97 | Windows NT |
| 2 | 2881 | 19.13 | 2507 | 42.01 | +http://www.baidu.com/search/spider.html |
| 3 | 1371 | 9.10 | 286 | 4.79 | +http://www.google.com/bot.html |
| 4 | 1327 | 8.81 | 59 | 0.99 | Windows 98 |
| 5 | 1182 | 7.85 | 99 | 1.66 | +http://yandex.com/bots |
| 6 | 518 | 3.44 | 217 | 3.64 | +http://www.bing.com/bingbot.htm |
| 7 | 108 | 0.72 | 23 | 0.39 | http://www.opensiteexplorer.org/dotbot, ... |
| 8 | 56 | 0.37 | 8 | 0.13 | +http://www.profound.net/urlappendbot.ht... |
| 9 | 55 | 0.37 | 24 | 0.40 | +http://www.exabot.com/go/robot |
| 10 | 42 | 0.28 | 7 | 0.12 | +http://OpenLinkProfiler.org/bot |
| 11 | 42 | 0.28 | 21 | 0.35 | http://www.majestic12.co.uk/bot.php?+ |
| 12 | 35 | 0.23 | 11 | 0.18 | X11 |
| 13 | 24 | 0.16 | 4 | 0.07 | +http://ahrefs.com/robot/ |
| 14 | 22 | 0.15 | 2 | 0.03 | +http://webmeup-crawler.com/ |
| 15 | 17 | 0.11 | 16 | 0.27 | Windows 95 |
| 16 | 16 | 0.11 | 4 | 0.07 | Android 2.3.5 |
| 17 | 15 | 0.10 | 15 | 0.25 | http://www.youdao.com/help/webmaster/spi... |
| 18 | 14 | 0.09 | 7 | 0.12 | http://crawler.sistrix.net/ |
| 19 | 11 | 0.07 | 1 | 0.02 | Linux [unknown version] |
| 20 | 10 | 0.07 | 2 | 0.03 | +http://p4load.com/ |
| 21 | 10 | 0.07 | 1 | 0.02 | +http://www.linkpad.ru |
| 22 | 8 | 0.05 | 2 | 0.03 | +http://filterdb.iss.net/crawler/ |
| 23 | 8 | 0.05 | 1 | 0.02 | +http://www.seokicks.de/robot.html |
| 24 | 7 | 0.05 | 3 | 0.05 | http://help.yahoo.com/help/us/ysearch/sl... |
| 25 | 6 | 0.04 | 0 | 0.00 | Win32 |
| 26 | 6 | 0.04 | 3 | 0.05 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 27 | 6 | 0.04 | 1 | 0.02 | http://www.searchmetrics.com/en/searchme... |
| 28 | 6 | 0.04 | 3 | 0.05 | +http://help.coccoc.com/ |
| 29 | 6 | 0.04 | 2 | 0.03 | +http://prlog.ru/ |
| 30 | 5 | 0.03 | 2 | 0.03 | +http://gimme60.com |
| 31 | 4 | 0.03 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 32 | 4 | 0.03 | 0 | 0.00 | Linux 2.4.x |
| 33 | 4 | 0.03 | 2 | 0.03 | +info@netcraft.com |
| 34 | 4 | 0.03 | 2 | 0.03 | +http://www.meanpath.com/meanpathbot.htm... |
| 35 | 4 | 0.03 | 1 | 0.02 | +http://siteexplorer.info/ |
| 36 | 4 | 0.03 | 2 | 0.03 | +http://fulltext.sblog.cz/ |
| 37 | 3 | 0.02 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 38 | 2 | 0.01 | 2 | 0.03 | Windows 2000 |
| 39 | 2 | 0.01 | 2 | 0.03 | Windows ME |
| 40 | 2 | 0.01 | 0 | 0.00 | +http://zemlyaozer.com/bot |
| 41 | 1 | 0.01 | 1 | 0.02 | +http://136.186.231.16 |
| 42 | 1 | 0.01 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 43 | 1 | 0.01 | 1 | 0.02 | +http://wmaid.com/explore/ |
