| Used Operating Systems |
| 1 | 25374 | 68.22 | 361 | 8.37 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 3378 | 9.08 | 2293 | 53.19 | +http://www.baidu.com/search/spider.html |
| 3 | 2846 | 7.65 | 408 | 9.46 | +http://www.google.com/bot.html |
| 4 | 2119 | 5.70 | 629 | 14.59 | Windows NT |
| 5 | 2029 | 5.46 | 166 | 3.85 | +http://www.bing.com/bingbot.htm |
| 6 | 434 | 1.17 | 89 | 2.06 | +http://yandex.com/bots |
| 7 | 213 | 0.57 | 53 | 1.23 | +http://www.linkdex.com/bots/ |
| 8 | 132 | 0.35 | 88 | 2.04 | Windows 95 |
| 9 | 120 | 0.32 | 0 | 0.00 | +http://ahrefs.com/robot/ |
| 10 | 67 | 0.18 | 18 | 0.42 | Windows 98 |
| 11 | 57 | 0.15 | 1 | 0.02 | Android |
| 12 | 42 | 0.11 | 2 | 0.05 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 13 | 42 | 0.11 | 40 | 0.93 | +http://www.uptime.com/uptimebot |
| 14 | 36 | 0.10 | 8 | 0.19 | +http://napoveda.seznam.cz/en/seznambot-... |
| 15 | 18 | 0.05 | 11 | 0.26 | Auto; Windows |
| 16 | 18 | 0.05 | 6 | 0.14 | +http://www.seokicks.de/robot.html |
| 17 | 17 | 0.05 | 4 | 0.09 | Windows XP |
| 18 | 17 | 0.05 | 12 | 0.28 | Windows ME |
| 19 | 17 | 0.05 | 16 | 0.37 | MSIE 5.5; Windows NT 5.0 |
| 20 | 16 | 0.04 | 2 | 0.05 | +http://filterdb.iss.net/crawler/ |
| 21 | 15 | 0.04 | 5 | 0.12 | +http://OpenLinkProfiler.org/bot |
| 22 | 15 | 0.04 | 1 | 0.02 | +http://webmeup-crawler.com/ |
| 23 | 15 | 0.04 | 14 | 0.32 | ) - BrowseX (2.0.0 Windows |
| 24 | 14 | 0.04 | 4 | 0.09 | http://www.opensiteexplorer.org/dotbot, ... |
| 25 | 13 | 0.03 | 11 | 0.26 | Windows 2000 |
| 26 | 13 | 0.03 | 12 | 0.28 | MSIE 5.5; Windows NT 4.0 |
| 27 | 12 | 0.03 | 9 | 0.21 | Windows CE |
| 28 | 12 | 0.03 | 2 | 0.05 | J2ME/MIDP |
| 29 | 12 | 0.03 | 3 | 0.07 | http://help.yahoo.com/help/us/ysearch/sl... |
| 30 | 12 | 0.03 | 12 | 0.28 | +http://www.xovibot.net/ |
| 31 | 10 | 0.03 | 6 | 0.14 | Windows 3.1 |
| 32 | 8 | 0.02 | 4 | 0.09 | +http://help.coccoc.com/searchengine |
| 33 | 6 | 0.02 | 2 | 0.05 | +https://www.dataprovider.com/ |
| 34 | 5 | 0.01 | 3 | 0.07 | +http://www.semrush.com/bot.html |
| 35 | 4 | 0.01 | 0 | 0.00 | Series 60 |
| 36 | 4 | 0.01 | 2 | 0.05 | +https://deusu.de/robot.html |
| 37 | 4 | 0.01 | 2 | 0.05 | +http://help.coccoc.com/ |
| 38 | 4 | 0.01 | 2 | 0.05 | +info@netcraft.com |
| 39 | 4 | 0.01 | 0 | 0.00 | +http://siteexplorer.info/ |
| 40 | 3 | 0.01 | 3 | 0.07 | +http://glutenfreepleasure.com/ |
| 41 | 2 | 0.01 | 1 | 0.02 | http://www.botje.com/plukkie.htm |
| 42 | 2 | 0.01 | 0 | 0.00 | Windows Phone OS 7.5 |
| 43 | 2 | 0.01 | 1 | 0.02 | +http://duckduckgo.com |
| 44 | 2 | 0.01 | 1 | 0.02 | +http://www.exabot.com/go/robot |
| 45 | 1 | 0.00 | 0 | 0.00 | Macintosh PPC |
| 46 | 1 | 0.00 | 1 | 0.02 | +http://www.parsijoo.ir/; crawler@parsij... |
| 47 | 1 | 0.00 | 0 | 0.00 | apps-presentations; +http://docs.google.... |
| 48 | 1 | 0.00 | 1 | 0.02 | http://nmap.org/book/nse.html |
| 49 | 1 | 0.00 | 0 | 0.00 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 50 | 1 | 0.00 | 1 | 0.02 | +http://megaindex.com/crawler |
| 51 | 1 | 0.00 | 1 | 0.02 | Linux i686 [unknown version] |
