| Used Operating Systems |
| 1 | 46711 | 34.38 | 343 | 0.85 | http://mj12bot.com/ |
| 2 | 25852 | 19.03 | 18590 | 45.80 | +http://www.baidu.com/search/spider.html |
| 3 | 20092 | 14.79 | 16066 | 39.58 | +http://ahrefs.com/robot/ |
| 4 | 19832 | 14.60 | 836 | 2.06 | +http://yandex.com/bots |
| 5 | 4759 | 3.50 | 744 | 1.83 | Windows NT |
| 6 | 3823 | 2.81 | 19 | 0.05 | http://www.majestic12.co.uk/bot.php?+ |
| 7 | 2720 | 2.00 | 1363 | 3.36 | +http://www.google.com/bot.html |
| 8 | 2362 | 1.74 | 18 | 0.04 | +http://www.semrush.com/bot.html |
| 9 | 2342 | 1.72 | 897 | 2.21 | +http://www.bing.com/bingbot.htm |
| 10 | 2002 | 1.47 | 2 | 0.00 | +http://OpenLinkProfiler.org/bot |
| 11 | 1491 | 1.10 | 513 | 1.26 | +http://www.linkdex.com/bots/ |
| 12 | 793 | 0.58 | 12 | 0.03 | +http://siteexplorer.info/Backlink-Check... |
| 13 | 576 | 0.42 | 356 | 0.88 | http://help.yahoo.com/help/us/ysearch/sl... |
| 14 | 473 | 0.35 | 156 | 0.38 | +spider@seoscanners.net |
| 15 | 360 | 0.26 | 223 | 0.55 | +http://www.xovibot.net/ |
| 16 | 323 | 0.24 | 158 | 0.39 | +http://napoveda.seznam.cz/en/seznambot-... |
| 17 | 288 | 0.21 | 48 | 0.12 | +http://www.profound.net/domainappender |
| 18 | 251 | 0.18 | 2 | 0.00 | Linux [unknown version] |
| 19 | 197 | 0.15 | 1 | 0.00 | X11 |
| 20 | 110 | 0.08 | 96 | 0.24 | +http://www.uptime.com/uptimebot |
| 21 | 73 | 0.05 | 6 | 0.01 | +http://glutenfreepleasure.com/ |
| 22 | 68 | 0.05 | 24 | 0.06 | Windows XP |
| 23 | 52 | 0.04 | 9 | 0.02 | +http://help.coccoc.com/searchengine |
| 24 | 51 | 0.04 | 28 | 0.07 | +http://www.exabot.com/go/robot |
| 25 | 45 | 0.03 | 5 | 0.01 | +http://www.seokicks.de/robot.html |
| 26 | 32 | 0.02 | 12 | 0.03 | Windows 95 |
| 27 | 27 | 0.02 | 11 | 0.03 | +http://www.proximic.com/info/spider.php |
| 28 | 23 | 0.02 | 3 | 0.01 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 29 | 22 | 0.02 | 6 | 0.01 | Windows 98 |
| 30 | 14 | 0.01 | 2 | 0.00 | http://filterdb.iss.net/crawler/ |
| 31 | 12 | 0.01 | 6 | 0.01 | http://www.opensiteexplorer.org/dotbot, ... |
| 32 | 12 | 0.01 | 6 | 0.01 | +http://duckduckgo.com |
| 33 | 11 | 0.01 | 6 | 0.01 | +http://www.grapeshot.co.uk/crawler.php |
| 34 | 9 | 0.01 | 2 | 0.00 | MSIE 5.5; Windows NT 5.0 |
| 35 | 8 | 0.01 | 2 | 0.00 | Windows ME |
| 36 | 8 | 0.01 | 3 | 0.01 | ) - BrowseX (2.0.0 Windows |
| 37 | 7 | 0.01 | 3 | 0.01 | Windows CE |
| 38 | 7 | 0.01 | 2 | 0.00 | Auto; Windows |
| 39 | 4 | 0.00 | 1 | 0.00 | http://www.searchmetrics.com/en/searchme... |
| 40 | 3 | 0.00 | 1 | 0.00 | Windows 3.1 |
| 41 | 2 | 0.00 | 1 | 0.00 | Windows 2000 |
| 42 | 2 | 0.00 | 1 | 0.00 | http://www.botje.com/plukkie.htm |
| 43 | 2 | 0.00 | 1 | 0.00 | +info@netcraft.com |
| 44 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 45 | 1 | 0.00 | 1 | 0.00 | http://nmap.org/book/nse.html |
| 46 | 1 | 0.00 | 1 | 0.00 | FreeBSD [unknown version] |
| 47 | 1 | 0.00 | 1 | 0.00 | Linux i686 [unknown version] |
