| Used Operating Systems |
| 1 | 16707 | 47.42 | 3209 | 63.49 | Windows NT |
| 2 | 7871 | 22.34 | 139 | 2.75 | +http://ahrefs.com/robot/ |
| 3 | 2866 | 8.13 | 1300 | 25.72 | +http://www.google.com/bot.html |
| 4 | 2484 | 7.05 | 154 | 3.05 | +http://www.baidu.com/search/spider.html |
| 5 | 1568 | 4.45 | 113 | 2.24 | +http://yandex.com/bots |
| 6 | 1087 | 3.09 | 46 | 0.91 | +http://www.bing.com/bingbot.htm |
| 7 | 674 | 1.91 | 5 | 0.10 | +http://www.semrush.com/bot.html |
| 8 | 583 | 1.65 | 10 | 0.20 | http://www.majestic12.co.uk/bot.php?+ |
| 9 | 400 | 1.14 | 4 | 0.08 | +http://OpenLinkProfiler.org/bot |
| 10 | 375 | 1.06 | 6 | 0.12 | http://www.opensiteexplorer.org/dotbot, ... |
| 11 | 145 | 0.41 | 15 | 0.30 | http://help.yahoo.com/help/us/ysearch/sl... |
| 12 | 110 | 0.31 | 4 | 0.08 | +http://advbot.net/bot.html |
| 13 | 86 | 0.24 | 2 | 0.04 | http://crawler.sistrix.net/ |
| 14 | 59 | 0.17 | 0 | 0.00 | InfegyAtlas/1.0; en-US; collection@infeg... |
| 15 | 54 | 0.15 | 1 | 0.02 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 16 | 34 | 0.10 | 2 | 0.04 | +http://filterdb.iss.net/crawler/ |
| 17 | 24 | 0.07 | 6 | 0.12 | +http://www.exabot.com/go/robot |
| 18 | 22 | 0.06 | 2 | 0.04 | +; |
| 19 | 13 | 0.04 | 4 | 0.08 | Android 2.3.5 |
| 20 | 13 | 0.04 | 6 | 0.12 | X11 |
| 21 | 11 | 0.03 | 10 | 0.20 | +http://domainsigma.com/robot |
| 22 | 10 | 0.03 | 3 | 0.06 | AnyEvent-HTTP/2.21; +http://software.sch... |
| 23 | 8 | 0.02 | 0 | 0.00 | Windows 98 |
| 24 | 8 | 0.02 | 4 | 0.08 | +http://gimme60.com |
| 25 | 8 | 0.02 | 4 | 0.08 | +http://www.meanpath.com/meanpathbot.htm... |
| 26 | 6 | 0.02 | 3 | 0.06 | +http://duckduckgo.com |
| 27 | 4 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 28 | 4 | 0.01 | 2 | 0.04 | Linux [unknown version] |
| 29 | 1 | 0.00 | 0 | 0.00 | +http://www.domainoptima.com/robot |
