| Used Operating Systems |
| 1 | 4325 | 29.77 | 223 | 3.36 | http://mj12bot.com/ |
| 2 | 3387 | 23.32 | 2618 | 39.50 | +http://www.baidu.com/search/spider.html |
| 3 | 835 | 5.75 | 229 | 3.46 | +http://www.bing.com/bingbot.htm |
| 4 | 463 | 3.19 | 195 | 2.94 | +http://www.google.com/bot.html |
| 5 | 454 | 3.13 | 129 | 1.95 | +http://www.linkdex.com/bots/ |
| 6 | 429 | 2.95 | 377 | 5.69 | Windows 2003 |
| 7 | 426 | 2.93 | 374 | 5.64 | Windows 2008 |
| 8 | 423 | 2.91 | 34 | 0.51 | +http://napoveda.seznam.cz/en/seznambot-... |
| 9 | 400 | 2.75 | 355 | 5.36 | Windows 2004 |
| 10 | 400 | 2.75 | 350 | 5.28 | Windows 2002 |
| 11 | 394 | 2.71 | 354 | 5.34 | Windows 2006 |
| 12 | 390 | 2.68 | 339 | 5.11 | Windows 9 |
| 13 | 364 | 2.51 | 316 | 4.77 | Windows 2005 |
| 14 | 348 | 2.40 | 115 | 1.74 | Windows NT |
| 15 | 330 | 2.27 | 293 | 4.42 | Windows 2007 |
| 16 | 296 | 2.04 | 7 | 0.11 | http://www.majestic12.co.uk/bot.php?+ |
| 17 | 189 | 1.30 | 53 | 0.80 | +http://yandex.com/bots |
| 18 | 131 | 0.90 | 111 | 1.67 | +http://www.uptime.com/uptimebot |
| 19 | 90 | 0.62 | 38 | 0.57 | http://help.yahoo.com/help/us/ysearch/sl... |
| 20 | 76 | 0.52 | 13 | 0.20 | +http://www.semrush.com/bot.html |
| 21 | 50 | 0.34 | 10 | 0.15 | +http://www.profound.net/domainappender |
| 22 | 47 | 0.32 | 9 | 0.14 | +http://siteexplorer.info/Backlink-Check... |
| 23 | 44 | 0.30 | 6 | 0.09 | +spider@seoscanners.net |
| 24 | 41 | 0.28 | 23 | 0.35 | +http://ahrefs.com/robot/ |
| 25 | 40 | 0.28 | 4 | 0.06 | +http://OpenLinkProfiler.org/bot |
| 26 | 36 | 0.25 | 4 | 0.06 | +http://www.seokicks.de/robot.html |
| 27 | 35 | 0.24 | 15 | 0.23 | +http://www.exabot.com/go/robot |
| 28 | 20 | 0.14 | 2 | 0.03 | +http://megaindex.com/crawler |
| 29 | 12 | 0.08 | 4 | 0.06 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 30 | 12 | 0.08 | 6 | 0.09 | +http://duckduckgo.com |
| 31 | 8 | 0.06 | 1 | 0.02 | +http://ruki.rezko.net |
| 32 | 6 | 0.04 | 3 | 0.05 | +https://deusu.de/robot.html |
| 33 | 4 | 0.03 | 2 | 0.03 | +http://www.scoutjet.com/ |
| 34 | 4 | 0.03 | 2 | 0.03 | http://www.botje.com/plukkie.htm |
| 35 | 4 | 0.03 | 2 | 0.03 | +info@netcraft.com |
| 36 | 3 | 0.02 | 3 | 0.05 | +http://glutenfreepleasure.com/ |
| 37 | 2 | 0.01 | 2 | 0.03 | +http://sur.ly/bot.html |
| 38 | 2 | 0.01 | 2 | 0.03 | +http://pmoz.info/doc/botinfo.htm |
| 39 | 2 | 0.01 | 2 | 0.03 | http://nmap.org/book/nse.html |
| 40 | 2 | 0.01 | 2 | 0.03 | +http://www.grapeshot.co.uk/crawler.php |
| 41 | 1 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 42 | 1 | 0.01 | 1 | 0.02 | Linux [unknown version] |
