| Used Operating Systems |
| 1 | 12017 | 64.88 | 176 | 4.87 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 3342 | 18.04 | 2471 | 68.41 | +http://www.baidu.com/search/spider.html |
| 3 | 1117 | 6.03 | 152 | 4.21 | Windows NT |
| 4 | 775 | 4.18 | 348 | 9.63 | +http://www.bing.com/bingbot.htm |
| 5 | 422 | 2.28 | 187 | 5.18 | +http://www.google.com/bot.html |
| 6 | 323 | 1.74 | 70 | 1.94 | +http://www.linkdex.com/bots/ |
| 7 | 118 | 0.64 | 50 | 1.38 | http://help.yahoo.com/help/us/ysearch/sl... |
| 8 | 64 | 0.35 | 14 | 0.39 | +http://yandex.com/bots |
| 9 | 48 | 0.26 | 44 | 1.22 | +info@netcraft.com |
| 10 | 34 | 0.18 | 18 | 0.50 | +http://ahrefs.com/robot/ |
| 11 | 30 | 0.16 | 3 | 0.08 | +http://OpenLinkProfiler.org/bot |
| 12 | 24 | 0.13 | 2 | 0.06 | +http://www.warebay.com/bot.html |
| 13 | 24 | 0.13 | 8 | 0.22 | Windows XP |
| 14 | 20 | 0.11 | 2 | 0.06 | +https://www.lipperhey.com/en/about/ |
| 15 | 20 | 0.11 | 8 | 0.22 | +http://www.exabot.com/go/robot |
| 16 | 18 | 0.10 | 2 | 0.06 | +http://fulltext.sblog.cz/ |
| 17 | 15 | 0.08 | 6 | 0.17 | +http://help.coccoc.com/ |
| 18 | 14 | 0.08 | 4 | 0.11 | +http://www.semrush.com/bot.html |
| 19 | 10 | 0.05 | 4 | 0.11 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 20 | 10 | 0.05 | 2 | 0.06 | +http://filterdb.iss.net/crawler/ |
| 21 | 10 | 0.05 | 3 | 0.08 | +https://www.mojeek.com/bot.html |
| 22 | 9 | 0.05 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 23 | 6 | 0.03 | 2 | 0.06 | MSIE 5.5; Windows NT 5.0 |
| 24 | 6 | 0.03 | 2 | 0.06 | Windows 98 |
| 25 | 5 | 0.03 | 5 | 0.14 | +http://pmoz.info/doc/botinfo.htm |
| 26 | 5 | 0.03 | 5 | 0.14 | +http://glutenfreepleasure.com/ |
| 27 | 5 | 0.03 | 5 | 0.14 | Linux i686 [unknown version] |
| 28 | 4 | 0.02 | 3 | 0.08 | http://nmap.org/book/nse.html |
| 29 | 4 | 0.02 | 4 | 0.11 | Linux [unknown version] |
| 30 | 3 | 0.02 | 1 | 0.03 | Windows CE |
| 31 | 3 | 0.02 | 1 | 0.03 | +https://deusu.de/robot.html |
| 32 | 3 | 0.02 | 1 | 0.03 | Windows 95 |
| 33 | 3 | 0.02 | 1 | 0.03 | MSIE 5.5; Windows NT 4.0 |
| 34 | 2 | 0.01 | 1 | 0.03 | +http://crawler.seolytics.net/ |
| 35 | 2 | 0.01 | 1 | 0.03 | http://www.botje.com/plukkie.htm |
| 36 | 2 | 0.01 | 1 | 0.03 | +http://www.bigbozz.com/ |
| 37 | 2 | 0.01 | 2 | 0.06 | +http://www.grapeshot.co.uk/crawler.php |
| 38 | 2 | 0.01 | 1 | 0.03 | +http://duckduckgo.com |
| 39 | 1 | 0.01 | 1 | 0.03 | +http://www.wmtips.com/tools/ |
| 40 | 1 | 0.01 | 1 | 0.03 | FreeBSD [unknown version] |
