| Used Operating Systems |
| 1 | 14695 | 34.48 | 142 | 1.61 | http://mj12bot.com/ |
| 2 | 6559 | 15.39 | 3763 | 42.65 | +http://ahrefs.com/robot/ |
| 3 | 6080 | 14.27 | 1644 | 18.64 | Windows NT |
| 4 | 4261 | 10.00 | 36 | 0.41 | http://www.majestic12.co.uk/bot.php?+ |
| 5 | 2634 | 6.18 | 3 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 6 | 1797 | 4.22 | 1665 | 18.87 | +http://www.baidu.com/search/spider.html |
| 7 | 1288 | 3.02 | 256 | 2.90 | +http://www.bing.com/bingbot.htm |
| 8 | 911 | 2.14 | 151 | 1.71 | +http://www.google.com/bot.html |
| 9 | 870 | 2.04 | 200 | 2.27 | +http://www.linkdex.com/bots/ |
| 10 | 714 | 1.68 | 6 | 0.07 | +http://siteexplorer.info/Backlink-Check... |
| 11 | 471 | 1.11 | 53 | 0.60 | +http://napoveda.seznam.cz/en/seznambot-... |
| 12 | 438 | 1.03 | 64 | 0.73 | +http://yandex.com/bots |
| 13 | 304 | 0.71 | 225 | 2.55 | Windows 95 |
| 14 | 201 | 0.47 | 41 | 0.46 | Windows 98 |
| 15 | 196 | 0.46 | 49 | 0.56 | +http://www.profound.net/domainappender |
| 16 | 188 | 0.44 | 87 | 0.99 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 17 | 140 | 0.33 | 57 | 0.65 | http://help.yahoo.com/help/us/ysearch/sl... |
| 18 | 101 | 0.24 | 5 | 0.06 | +http://www.semrush.com/bot.html |
| 19 | 91 | 0.21 | 1 | 0.01 | Linux i586 [unknown version] |
| 20 | 70 | 0.16 | 15 | 0.17 | Windows XP |
| 21 | 62 | 0.15 | 40 | 0.45 | Windows 3.1 |
| 22 | 57 | 0.13 | 41 | 0.46 | MSIE 5.5; Windows NT 5.0 |
| 23 | 51 | 0.12 | 38 | 0.43 | Windows ME |
| 24 | 51 | 0.12 | 1 | 0.01 | +https://www.aihitdata.com/about |
| 25 | 50 | 0.12 | 33 | 0.37 | MSIE 5.5; Windows NT 4.0 |
| 26 | 49 | 0.11 | 41 | 0.46 | Windows CE |
| 27 | 48 | 0.11 | 40 | 0.45 | Auto; Windows |
| 28 | 47 | 0.11 | 40 | 0.45 | ) - BrowseX (2.0.0 Windows |
| 29 | 46 | 0.11 | 39 | 0.44 | Windows 2000 |
| 30 | 38 | 0.09 | 18 | 0.20 | +http://duckduckgo.com |
| 31 | 26 | 0.06 | 3 | 0.03 | +https://www.mojeek.com/bot.html |
| 32 | 17 | 0.04 | 0 | 0.00 | +http://www.xovibot.net/ |
| 33 | 13 | 0.03 | 7 | 0.08 | +http://8pw.ru/virus |
| 34 | 13 | 0.03 | 1 | 0.01 | +http://www.similartech.com/smtbot |
| 35 | 10 | 0.02 | 4 | 0.05 | +http://www.exabot.com/go/robot |
| 36 | 8 | 0.02 | 4 | 0.05 | http://www.searchmetrics.com/en/searchme... |
| 37 | 7 | 0.02 | 1 | 0.01 | crawler@mixrank.com |
| 38 | 5 | 0.01 | 3 | 0.03 | +http://sur.ly/bot.html |
| 39 | 2 | 0.00 | 1 | 0.01 | http://www.similartech.com/smtbot |
| 40 | 2 | 0.00 | 1 | 0.01 | +spider@seoscanners.net |
| 41 | 2 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 42 | 1 | 0.00 | 1 | 0.01 | http://nmap.org/book/nse.html |
| 43 | 1 | 0.00 | 1 | 0.01 | +http://www.grapeshot.co.uk/crawler.php |
