| Used Operating Systems |
| 1 | 32698 | 40.21 | 306 | 3.22 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 10401 | 12.79 | 8 | 0.08 | +http://webmeup-crawler.com/ |
| 3 | 8142 | 10.01 | 5383 | 56.66 | +http://ahrefs.com/robot/ |
| 4 | 7805 | 9.60 | 301 | 3.17 | +http://www.bing.com/bingbot.htm |
| 5 | 7740 | 9.52 | 835 | 8.79 | Windows NT |
| 6 | 6895 | 8.48 | 2 | 0.02 | +http://megaindex.com/crawler |
| 7 | 2833 | 3.48 | 3 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 8 | 1835 | 2.26 | 1495 | 15.74 | +http://www.baidu.com/search/spider.html |
| 9 | 577 | 0.71 | 92 | 0.97 | +http://napoveda.seznam.cz/en/seznambot-... |
| 10 | 476 | 0.59 | 159 | 1.67 | +http://yandex.com/bots |
| 11 | 380 | 0.47 | 160 | 1.68 | +http://www.google.com/bot.html |
| 12 | 368 | 0.45 | 130 | 1.37 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 13 | 325 | 0.40 | 234 | 2.46 | +http://www.xovibot.net/ |
| 14 | 172 | 0.21 | 47 | 0.49 | http://help.yahoo.com/help/us/ysearch/sl... |
| 15 | 124 | 0.15 | 37 | 0.39 | +http://www.linkdex.com/bots/ |
| 16 | 84 | 0.10 | 67 | 0.71 | Windows 95 |
| 17 | 54 | 0.07 | 24 | 0.25 | +http://www.exabot.com/go/robot |
| 18 | 53 | 0.07 | 28 | 0.29 | +http://www.semrush.com/bot.html |
| 19 | 51 | 0.06 | 14 | 0.15 | Windows 98 |
| 20 | 49 | 0.06 | 48 | 0.51 | +http://www.uptime.com/uptimebot |
| 21 | 45 | 0.06 | 5 | 0.05 | +http://www.seokicks.de/robot.html |
| 22 | 29 | 0.04 | 2 | 0.02 | +http://siteexplorer.info/ |
| 23 | 26 | 0.03 | 22 | 0.23 | MSIE 5.5; Windows NT 4.0 |
| 24 | 24 | 0.03 | 18 | 0.19 | MSIE 5.5; Windows NT 5.0 |
| 25 | 17 | 0.02 | 13 | 0.14 | Windows ME |
| 26 | 16 | 0.02 | 13 | 0.14 | Windows CE |
| 27 | 16 | 0.02 | 14 | 0.15 | Windows 2000 |
| 28 | 13 | 0.02 | 1 | 0.01 | +https://www.dataprovider.com/ |
| 29 | 12 | 0.01 | 12 | 0.13 | ) - BrowseX (2.0.0 Windows |
| 30 | 10 | 0.01 | 9 | 0.09 | Auto; Windows |
| 31 | 10 | 0.01 | 7 | 0.07 | Windows 3.1 |
| 32 | 10 | 0.01 | 4 | 0.04 | +http://fulltext.sblog.cz/ |
| 33 | 9 | 0.01 | 2 | 0.02 | Windows XP |
| 34 | 3 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 35 | 2 | 0.00 | 0 | 0.00 | https://nmap.org/book/nse.html |
| 36 | 2 | 0.00 | 2 | 0.02 | +https://gimmeusa.com/crawler.html |
| 37 | 2 | 0.00 | 1 | 0.01 | http://www.botje.com/plukkie.htm |
| 38 | 2 | 0.00 | 2 | 0.02 | +info@netcraft.com |
| 39 | 1 | 0.00 | 0 | 0.00 | i686 Linux; 20021104 |
