| Used Operating Systems by Visits |
| 1 | 42718 | 33.96 | 31975 | 67.81 | +http://ahrefs.com/robot/ |
| 2 | 14518 | 11.54 | 10213 | 21.66 | +http://www.baidu.com/search/spider.html |
| 3 | 4848 | 3.85 | 1720 | 3.65 | +http://www.google.com/bot.html |
| 4 | 2171 | 1.73 | 955 | 2.03 | +http://www.bing.com/bingbot.htm |
| 5 | 5442 | 4.33 | 572 | 1.21 | Windows NT |
| 6 | 1527 | 1.21 | 437 | 0.93 | +http://www.linkdex.com/bots/ |
| 7 | 43513 | 34.60 | 330 | 0.70 | http://mj12bot.com/ |
| 8 | 342 | 0.27 | 202 | 0.43 | +http://www.xovibot.net/ |
| 9 | 4439 | 3.53 | 163 | 0.35 | +http://yandex.com/bots |
| 10 | 249 | 0.20 | 146 | 0.31 | http://help.yahoo.com/help/us/ysearch/sl... |
| 11 | 239 | 0.19 | 117 | 0.25 | +http://napoveda.seznam.cz/en/seznambot-... |
| 12 | 117 | 0.09 | 108 | 0.23 | +http://www.uptime.com/uptimebot |
| 13 | 110 | 0.09 | 45 | 0.10 | +http://www.exabot.com/go/robot |
| 14 | 57 | 0.05 | 31 | 0.07 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 15 | 57 | 0.05 | 19 | 0.04 | Windows XP |
| 16 | 793 | 0.63 | 13 | 0.03 | +http://siteexplorer.info/Backlink-Check... |
| 17 | 23 | 0.02 | 13 | 0.03 | +http://www.grapeshot.co.uk/crawler.php |
| 18 | 37 | 0.03 | 12 | 0.03 | +spider@seoscanners.net |
| 19 | 26 | 0.02 | 11 | 0.02 | Windows 95 |
| 20 | 44 | 0.03 | 10 | 0.02 | +http://help.coccoc.com/searchengine |
| 21 | 18 | 0.01 | 9 | 0.02 | +http://cliqz.com/company/cliqzbot |
| 22 | 28 | 0.02 | 8 | 0.02 | +http://www.proximic.com/info/spider.php |
| 23 | 45 | 0.04 | 5 | 0.01 | +http://www.seokicks.de/robot.html |
| 24 | 9 | 0.01 | 5 | 0.01 | WinHttp.WinHttpRequest.5 |
| 25 | 3368 | 2.68 | 4 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 26 | 3 | 0.00 | 3 | 0.01 | +http://www.id-search.xyz/bot.html |
| 27 | 13 | 0.01 | 3 | 0.01 | Windows 98 |
| 28 | 3 | 0.00 | 3 | 0.01 | Intel Mac OS X 10.6 |
| 29 | 6 | 0.00 | 3 | 0.01 | +http://duckduckgo.com |
| 30 | 6 | 0.00 | 2 | 0.00 | Auto; Windows |
| 31 | 3 | 0.00 | 2 | 0.00 | Windows 3.1 |
| 32 | 500 | 0.40 | 2 | 0.00 | Linux i686 [unknown version] |
| 33 | 3 | 0.00 | 2 | 0.00 | http://www.majestic12.co.uk/bot.php?+ |
| 34 | 2 | 0.00 | 1 | 0.00 | Windows 2000 |
| 35 | 8 | 0.01 | 1 | 0.00 | J2ME/MIDP |
| 36 | 1 | 0.00 | 1 | 0.00 | +http://www.netseer.com/crawler.html; cr... |
| 37 | 21 | 0.02 | 1 | 0.00 | +http://filterdb.iss.net/crawler/ |
| 38 | 1 | 0.00 | 1 | 0.00 | +http://glutenfreepleasure.com/ |
| 39 | 1 | 0.00 | 1 | 0.00 | http://nmap.org/book/nse.html |
| 40 | 1 | 0.00 | 1 | 0.00 | +http://www.google.com/bot.html,Yahoo! S... |
| 41 | 2 | 0.00 | 1 | 0.00 | Windows ME |
| 42 | 394 | 0.31 | 1 | 0.00 | +http://www.findxbot.com |
| 43 | 2 | 0.00 | 1 | 0.00 | ) - BrowseX (2.0.0 Windows |
| 44 | 7 | 0.01 | 1 | 0.00 | http://filterdb.iss.net/crawler/ |
| 45 | 5 | 0.00 | 0 | 0.00 | http://www.tkl.iis.u-tokyo.ac.jp/~crawle... |
| 46 | 1 | 0.00 | 0 | 0.00 | UrlCrawler; http://www.seomoz.org/dp/rog... |
| 47 | 1 | 0.00 | 0 | 0.00 | +; |
| 48 | 53 | 0.04 | 0 | 0.00 | +http://www.semrush.com/bot.html |
