| Used Operating Systems |
| 1 | 19198 | 41.12 | 272 | 8.88 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 16277 | 34.87 | 463 | 15.12 | +http://yandex.com/bots |
| 3 | 3479 | 7.45 | 668 | 21.82 | +http://www.baidu.com/search/spider.html |
| 4 | 2229 | 4.77 | 578 | 18.88 | +http://www.google.com/bot.html |
| 5 | 2022 | 4.33 | 299 | 9.76 | Windows NT |
| 6 | 1020 | 2.18 | 190 | 6.21 | +http://www.bing.com/bingbot.htm |
| 7 | 583 | 1.25 | 43 | 1.40 | +http://napoveda.seznam.cz/en/seznambot-... |
| 8 | 333 | 0.71 | 150 | 4.90 | +http://ahrefs.com/robot/ |
| 9 | 289 | 0.62 | 5 | 0.16 | +http://OpenLinkProfiler.org/bot |
| 10 | 273 | 0.58 | 72 | 2.35 | http://help.yahoo.com/help/us/ysearch/sl... |
| 11 | 151 | 0.32 | 91 | 2.97 | +http://www.uptime.com/uptimebot |
| 12 | 141 | 0.30 | 109 | 3.56 | +http://www.linkdex.com/bots/ |
| 13 | 120 | 0.26 | 2 | 0.07 | +http://webmeup-crawler.com/ |
| 14 | 82 | 0.18 | 1 | 0.03 | +https://www.aihitdata.com/about |
| 15 | 75 | 0.16 | 1 | 0.03 | +http://megaindex.com/crawler |
| 16 | 68 | 0.15 | 4 | 0.13 | http://www.opensiteexplorer.org/dotbot, ... |
| 17 | 48 | 0.10 | 10 | 0.33 | +http://help.coccoc.com/searchengine |
| 18 | 47 | 0.10 | 7 | 0.23 | +http://www.semrush.com/bot.html |
| 19 | 30 | 0.06 | 3 | 0.10 | http://filterdb.iss.net/crawler/ |
| 20 | 28 | 0.06 | 8 | 0.26 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 21 | 24 | 0.05 | 21 | 0.69 | Windows 95 |
| 22 | 24 | 0.05 | 3 | 0.10 | +http://www.seokicks.de/robot.html |
| 23 | 22 | 0.05 | 15 | 0.49 | Windows 98 |
| 24 | 21 | 0.04 | 6 | 0.20 | +http://www.exabot.com/go/robot |
| 25 | 14 | 0.03 | 3 | 0.10 | +http://corp.sputnik.ru/webmaster |
| 26 | 12 | 0.03 | 2 | 0.07 | http://tweezler.com |
| 27 | 9 | 0.02 | 1 | 0.03 | +https://www.dataprovider.com/ |
| 28 | 8 | 0.02 | 2 | 0.07 | http://Tweezler.com |
| 29 | 6 | 0.01 | 5 | 0.16 | Windows 3.1 |
| 30 | 5 | 0.01 | 5 | 0.16 | Windows ME |
| 31 | 4 | 0.01 | 2 | 0.07 | Macintosh PPC |
| 32 | 4 | 0.01 | 0 | 0.00 | http://nmap.org/book/nse.html |
| 33 | 4 | 0.01 | 2 | 0.07 | Linux i686 [unknown version] |
| 34 | 3 | 0.01 | 2 | 0.07 | Windows XP |
| 35 | 3 | 0.01 | 1 | 0.03 | +info@netcraft.com |
| 36 | 3 | 0.01 | 3 | 0.10 | +http://www.grapeshot.co.uk/crawler.php |
| 37 | 2 | 0.00 | 0 | 0.00 | https://nmap.org/book/nse.html |
| 38 | 2 | 0.00 | 2 | 0.07 | Intel Mac OS X 10.5 |
| 39 | 2 | 0.00 | 1 | 0.03 | Linux 2.4.x |
| 40 | 2 | 0.00 | 0 | 0.00 | Windows Phone OS 7.5 |
| 41 | 2 | 0.00 | 1 | 0.03 | SunOS 4.1.x |
| 42 | 2 | 0.00 | 2 | 0.07 | PPC Mac OS X 10.5 |
| 43 | 2 | 0.00 | 2 | 0.07 | MSIE 5.5; Windows NT 4.0 |
| 44 | 1 | 0.00 | 1 | 0.03 | Windows CE |
| 45 | 1 | 0.00 | 0 | 0.00 | RISC OS 4.02 |
| 46 | 1 | 0.00 | 1 | 0.03 | OpenBSD [unknown version] |
| 47 | 1 | 0.00 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 48 | 1 | 0.00 | 0 | 0.00 | Win16 |
| 49 | 1 | 0.00 | 1 | 0.03 | Linux [unknown version] |
| 50 | 1 | 0.00 | 0 | 0.00 | AmigaOS/MC680x0 |
| 51 | 1 | 0.00 | 0 | 0.00 | +http://siteexplorer.info/ |
| 52 | 1 | 0.00 | 1 | 0.03 | ) - BrowseX (2.0.0 Windows |
| 53 | 1 | 0.00 | 1 | 0.03 | +http://www.xovibot.net/ |
| 54 | 1 | 0.00 | 0 | 0.00 | HP-UX B.10.x |
