| Used Operating Systems |
| 1 | 14408 | 51.36 | 194 | 2.80 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 7536 | 26.86 | 4470 | 64.55 | +http://www.baidu.com/search/spider.html |
| 3 | 1716 | 6.12 | 633 | 9.14 | Windows NT |
| 4 | 1176 | 4.19 | 465 | 6.71 | +http://www.google.com/bot.html |
| 5 | 955 | 3.40 | 232 | 3.35 | +http://ahrefs.com/robot/ |
| 6 | 573 | 2.04 | 291 | 4.20 | +http://www.bing.com/bingbot.htm |
| 7 | 369 | 1.32 | 80 | 1.16 | +http://yandex.com/bots |
| 8 | 324 | 1.15 | 233 | 3.36 | +http://www.linkdex.com/bots/ |
| 9 | 309 | 1.10 | 12 | 0.17 | +http://fulltext.sblog.cz/ |
| 10 | 97 | 0.35 | 48 | 0.69 | http://www.opensiteexplorer.org/dotbot, ... |
| 11 | 79 | 0.28 | 17 | 0.25 | +http://OpenLinkProfiler.org/bot |
| 12 | 72 | 0.26 | 72 | 1.04 | +http://warifort.moykrest.ru/ |
| 13 | 56 | 0.20 | 14 | 0.20 | +http://help.coccoc.com/ |
| 14 | 45 | 0.16 | 17 | 0.25 | +http://www.exabot.com/go/robot |
| 15 | 43 | 0.15 | 43 | 0.62 | +http://monasterytea.spbdyet.ru |
| 16 | 32 | 0.11 | 5 | 0.07 | +http://www.seograph.net/bot.html |
| 17 | 24 | 0.09 | 4 | 0.06 | http://www.searchmetrics.com/en/searchme... |
| 18 | 21 | 0.07 | 14 | 0.20 | +http://www.meanpath.com/meanpathbot.htm... |
| 19 | 20 | 0.07 | 10 | 0.14 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 20 | 20 | 0.07 | 6 | 0.09 | http://help.yahoo.com/help/us/ysearch/sl... |
| 21 | 20 | 0.07 | 4 | 0.06 | +http://webmeup-crawler.com/ |
| 22 | 20 | 0.07 | 2 | 0.03 | http://filterdb.iss.net/crawler/ |
| 23 | 16 | 0.06 | 8 | 0.12 | Wayback Machine Live Record; +http://arc... |
| 24 | 16 | 0.06 | 2 | 0.03 | +http://www.seokicks.de/robot.html |
| 25 | 14 | 0.05 | 6 | 0.09 | Linux i686 [unknown version] |
| 26 | 13 | 0.05 | 7 | 0.10 | Windows 98 |
| 27 | 10 | 0.04 | 2 | 0.03 | crawler@mixrank.com |
| 28 | 10 | 0.04 | 5 | 0.07 | +http://www.xovibot.net/ |
| 29 | 8 | 0.03 | 4 | 0.06 | support.orangebot@orange.com |
| 30 | 8 | 0.03 | 1 | 0.01 | +http://www.similartech.com/smtbot |
| 31 | 8 | 0.03 | 2 | 0.03 | +http://prlog.ru/ |
| 32 | 7 | 0.02 | 1 | 0.01 | +https://www.lipperhey.com/en/about/ |
| 33 | 7 | 0.02 | 7 | 0.10 | +http://domainsigma.com/robot |
| 34 | 6 | 0.02 | 4 | 0.06 | +info@netcraft.com |
| 35 | 5 | 0.02 | 1 | 0.01 | Macintosh |
| 36 | 3 | 0.01 | 3 | 0.04 | +http://glutenfreepleasure.com/ |
| 37 | 2 | 0.01 | 2 | 0.03 | +https://gimmeusa.com/pages/crawler |
| 38 | 2 | 0.01 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 39 | 2 | 0.01 | 2 | 0.03 | ) - BrowseX (2.0.0 Windows |
| 40 | 2 | 0.01 | 2 | 0.03 | X11 |
