| Used Operating Systems |
| 1 | 19655 | 31.31 | 172 | 1.10 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 18285 | 29.13 | 2845 | 18.15 | Windows NT |
| 3 | 10534 | 16.78 | 5505 | 35.12 | +http://ahrefs.com/robot/ |
| 4 | 6342 | 10.10 | 4950 | 31.57 | +http://www.baidu.com/search/spider.html |
| 5 | 4773 | 7.60 | 1219 | 7.78 | +http://www.google.com/bot.html |
| 6 | 835 | 1.33 | 320 | 2.04 | +http://www.bing.com/bingbot.htm |
| 7 | 615 | 0.98 | 2 | 0.01 | +http://megaindex.com/crawler |
| 8 | 580 | 0.92 | 175 | 1.12 | +http://yandex.com/bots |
| 9 | 504 | 0.80 | 200 | 1.28 | +http://www.xovibot.net/ |
| 10 | 254 | 0.40 | 168 | 1.07 | +http://www.linkdex.com/bots/ |
| 11 | 65 | 0.10 | 1 | 0.01 | Linux i586 [unknown version] |
| 12 | 61 | 0.10 | 24 | 0.15 | +http://www.exabot.com/go/robot |
| 13 | 32 | 0.05 | 9 | 0.06 | http://help.yahoo.com/help/us/ysearch/sl... |
| 14 | 30 | 0.05 | 14 | 0.09 | +http://www.semrush.com/bot.html |
| 15 | 28 | 0.04 | 6 | 0.04 | +http://fulltext.sblog.cz/ |
| 16 | 20 | 0.03 | 10 | 0.06 | +http://help.coccoc.com/ |
| 17 | 20 | 0.03 | 2 | 0.01 | +http://webmeup-crawler.com/ |
| 18 | 20 | 0.03 | 2 | 0.01 | http://filterdb.iss.net/crawler/ |
| 19 | 18 | 0.03 | 10 | 0.06 | +http://www.meanpath.com/meanpathbot.htm... |
| 20 | 15 | 0.02 | 3 | 0.02 | +http://www.profound.net/domainappender |
| 21 | 12 | 0.02 | 1 | 0.01 | +https://www.lipperhey.com/en/about/ |
| 22 | 12 | 0.02 | 3 | 0.02 | +http://prlog.ru/ |
| 23 | 10 | 0.02 | 2 | 0.01 | Linux [unknown version] |
| 24 | 9 | 0.01 | 9 | 0.06 | apps-spreadsheets; +http://docs.google.c... |
| 25 | 8 | 0.01 | 1 | 0.01 | Windows CE |
| 26 | 6 | 0.01 | 2 | 0.01 | Wayback Machine Live Record; +http://arc... |
| 27 | 6 | 0.01 | 3 | 0.02 | http://www.botje.com/plukkie.htm |
| 28 | 4 | 0.01 | 2 | 0.01 | +https://www.mojeek.com/bot.html |
| 29 | 4 | 0.01 | 2 | 0.01 | +info@netcraft.com |
| 30 | 3 | 0.00 | 3 | 0.02 | Windows 95 |
| 31 | 2 | 0.00 | 1 | 0.01 | support.orangebot@orange.com |
| 32 | 2 | 0.00 | 2 | 0.01 | http://nmap.org/book/nse.html |
| 33 | 2 | 0.00 | 1 | 0.01 | WinHttp.WinHttpRequest.5 |
| 34 | 1 | 0.00 | 1 | 0.01 | Windows 2000 |
| 35 | 1 | 0.00 | 1 | 0.01 | +http://glutenfreepleasure.com/ |
| 36 | 1 | 0.00 | 1 | 0.01 | MSIE 5.5; Windows NT 5.0 |
| 37 | 1 | 0.00 | 1 | 0.01 | Windows XP |
| 38 | 1 | 0.00 | 1 | 0.01 | +http://privatewww.essex.ac.uk/~jcread/W... |
| 39 | 1 | 0.00 | 1 | 0.01 | Windows 98 |
| 40 | 1 | 0.00 | 1 | 0.01 | +http://www.wmtips.com/tools/ |
| 41 | 1 | 0.00 | 1 | 0.01 | Windows Phone OS 7.0; Trident/3.1; IEMob... |
