| Used Operating Systems |
| 1 | 14317 | 41.75 | 129 | 1.51 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 7976 | 23.26 | 2353 | 27.48 | +http://ahrefs.com/robot/ |
| 3 | 4220 | 12.31 | 3549 | 41.45 | +http://www.baidu.com/search/spider.html |
| 4 | 4137 | 12.06 | 1649 | 19.26 | Windows NT |
| 5 | 1066 | 3.11 | 265 | 3.10 | +http://www.linkdex.com/bots/ |
| 6 | 624 | 1.82 | 12 | 0.14 | +http://yandex.com/bots |
| 7 | 558 | 1.63 | 144 | 1.68 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 8 | 484 | 1.41 | 218 | 2.55 | +http://www.bing.com/bingbot.htm |
| 9 | 343 | 1.00 | 154 | 1.80 | +http://www.google.com/bot.html |
| 10 | 193 | 0.56 | 18 | 0.21 | +http://filterdb.iss.net/crawler/ |
| 11 | 184 | 0.54 | 2 | 0.02 | +http://www.warebay.com/bot.html |
| 12 | 36 | 0.10 | 0 | 0.00 | http://filterdb.iss.net/crawler/ |
| 13 | 21 | 0.06 | 5 | 0.06 | Linux [unknown version] |
| 14 | 20 | 0.06 | 5 | 0.06 | X11 |
| 15 | 14 | 0.04 | 7 | 0.08 | +http://help.coccoc.com/ |
| 16 | 10 | 0.03 | 5 | 0.06 | +http://fulltext.sblog.cz/ |
| 17 | 9 | 0.03 | 1 | 0.01 | Linux i686 [unknown version] |
| 18 | 8 | 0.02 | 4 | 0.05 | +http://www.meanpath.com/meanpathbot.htm... |
| 19 | 8 | 0.02 | 3 | 0.04 | +http://www.exabot.com/go/robot |
| 20 | 6 | 0.02 | 3 | 0.04 | http://help.yahoo.com/help/us/ysearch/sl... |
| 21 | 6 | 0.02 | 2 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 22 | 4 | 0.01 | 2 | 0.02 | Android |
| 23 | 4 | 0.01 | 2 | 0.02 | J2ME/MIDP |
| 24 | 4 | 0.01 | 2 | 0.02 | http://www.botje.com/plukkie.htm |
| 25 | 4 | 0.01 | 2 | 0.02 | +http://www.semrush.com/bot.html |
| 26 | 3 | 0.01 | 2 | 0.02 | http://nmap.org/book/nse.html |
| 27 | 3 | 0.01 | 3 | 0.04 | Windows 95 |
| 28 | 3 | 0.01 | 0 | 0.00 | Android 2.3.5 |
| 29 | 3 | 0.01 | 1 | 0.01 | +http://webmeup-crawler.com/ |
| 30 | 2 | 0.01 | 1 | 0.01 | support.orangebot@orange.com |
| 31 | 2 | 0.01 | 2 | 0.02 | Windows 2000 |
| 32 | 2 | 0.01 | 1 | 0.01 | +http://www.netseer.com/crawler.html; cr... |
| 33 | 2 | 0.01 | 1 | 0.01 | +https://www.mojeek.com/bot.html |
| 34 | 2 | 0.01 | 2 | 0.02 | +http://www.parsijoo.ir/; ehsanmousa@par... |
| 35 | 2 | 0.01 | 2 | 0.02 | +http://www.parsijoo.ir/; crawler@parsij... |
| 36 | 2 | 0.01 | 1 | 0.01 | Windows ME |
| 37 | 2 | 0.01 | 1 | 0.01 | +info@netcraft.com |
| 38 | 2 | 0.01 | 1 | 0.01 | +http://duckduckgo.com |
| 39 | 1 | 0.00 | 1 | 0.01 | crawler@mixrank.com |
| 40 | 1 | 0.00 | 1 | 0.01 | Windows CE |
| 41 | 1 | 0.00 | 1 | 0.01 | +https://www.wslta.com/WoTBoT.html |
| 42 | 1 | 0.00 | 1 | 0.01 | +http://privatewww.essex.ac.uk/~jcread/W... |
| 43 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 44 | 1 | 0.00 | 1 | 0.01 | MSIE 5.5; Windows NT 4.0 |
| 45 | 1 | 0.00 | 1 | 0.01 | Windows 98 |
| 46 | 1 | 0.00 | 1 | 0.01 | +http://megaindex.com/crawler |
| 47 | 1 | 0.00 | 1 | 0.01 | Windows 3.1 |
