| Used Operating Systems |
| 1 | 28315 | 33.89 | 249 | 0.97 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 25787 | 30.86 | 15315 | 59.38 | +http://www.baidu.com/search/spider.html |
| 3 | 9164 | 10.97 | 7429 | 28.81 | +http://ahrefs.com/robot/ |
| 4 | 8918 | 10.67 | 926 | 3.59 | Windows NT |
| 5 | 3047 | 3.65 | 342 | 1.33 | +http://yandex.com/bots |
| 6 | 2562 | 3.07 | 403 | 1.56 | +http://www.bing.com/bingbot.htm |
| 7 | 1811 | 2.17 | 618 | 2.40 | +http://www.google.com/bot.html |
| 8 | 1343 | 1.61 | 4 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 9 | 1005 | 1.20 | 3 | 0.01 | +http://megaindex.com/crawler |
| 10 | 365 | 0.44 | 197 | 0.76 | +http://www.linkdex.com/bots/ |
| 11 | 337 | 0.40 | 1 | 0.00 | http://crawler.007ac9.net/ |
| 12 | 190 | 0.23 | 3 | 0.01 | +http://napoveda.seznam.cz/en/seznambot-... |
| 13 | 87 | 0.10 | 62 | 0.24 | Windows 95 |
| 14 | 77 | 0.09 | 1 | 0.00 | Linux i686 [unknown version] |
| 15 | 71 | 0.08 | 24 | 0.09 | http://help.yahoo.com/help/us/ysearch/sl... |
| 16 | 61 | 0.07 | 16 | 0.06 | Windows 98 |
| 17 | 54 | 0.06 | 19 | 0.07 | +http://www.exabot.com/go/robot |
| 18 | 38 | 0.05 | 20 | 0.08 | +http://www.semrush.com/bot.html |
| 19 | 36 | 0.04 | 2 | 0.01 | +http://webmeup-crawler.com/ |
| 20 | 35 | 0.04 | 7 | 0.03 | Windows XP |
| 21 | 35 | 0.04 | 35 | 0.14 | +http://www.uptime.com/uptimebot |
| 22 | 32 | 0.04 | 4 | 0.02 | +http://www.seokicks.de/robot.html |
| 23 | 30 | 0.04 | 14 | 0.05 | Windows ME |
| 24 | 20 | 0.02 | 2 | 0.01 | http://filterdb.iss.net/crawler/ |
| 25 | 18 | 0.02 | 9 | 0.03 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 26 | 16 | 0.02 | 14 | 0.05 | MSIE 5.5; Windows NT 5.0 |
| 27 | 13 | 0.02 | 11 | 0.04 | Windows CE |
| 28 | 13 | 0.02 | 12 | 0.05 | Windows 3.1 |
| 29 | 12 | 0.01 | 10 | 0.04 | Windows 2000 |
| 30 | 12 | 0.01 | 1 | 0.00 | +https://www.dataprovider.com/ |
| 31 | 9 | 0.01 | 9 | 0.03 | ) - BrowseX (2.0.0 Windows |
| 32 | 6 | 0.01 | 3 | 0.01 | Wayback Machine Live Record; +http://arc... |
| 33 | 6 | 0.01 | 4 | 0.02 | +info@netcraft.com |
| 34 | 6 | 0.01 | 6 | 0.02 | +http://www.xovibot.net/ |
| 35 | 5 | 0.01 | 3 | 0.01 | Auto; Windows |
| 36 | 5 | 0.01 | 4 | 0.02 | MSIE 5.5; Windows NT 4.0 |
| 37 | 4 | 0.00 | 2 | 0.01 | +http://help.coccoc.com/ |
| 38 | 4 | 0.00 | 0 | 0.00 | +http://fulltext.sblog.cz/ |
| 39 | 4 | 0.00 | 2 | 0.01 | +http://help.coccoc.com/searchengine |
| 40 | 3 | 0.00 | 1 | 0.00 | +https://deusu.de/robot.html |
| 41 | 2 | 0.00 | 1 | 0.00 | http://www.botje.com/plukkie.htm |
| 42 | 1 | 0.00 | 1 | 0.00 | http://nmap.org/book/nse.html |
| 43 | 1 | 0.00 | 1 | 0.00 | +http://glutenfreepleasure.com/ |
| 44 | 1 | 0.00 | 0 | 0.00 | +http://siteexplorer.info/ |
