| Used Operating Systems by Visits |
| 1 | 34471 | 23.34 | 7532 | 50.46 | +http://ahrefs.com/robot/ |
| 2 | 5711 | 3.87 | 2017 | 13.51 | Windows NT |
| 3 | 25588 | 17.32 | 1557 | 10.43 | http://www.opensiteexplorer.org/dotbot, ... |
| 4 | 1340 | 0.91 | 1223 | 8.19 | +http://www.baidu.com/search/spider.html |
| 5 | 9287 | 6.29 | 691 | 4.63 | +http://www.bing.com/bingbot.htm |
| 6 | 955 | 0.65 | 566 | 3.79 | +http://www.google.com/bot.html |
| 7 | 456 | 0.31 | 281 | 1.88 | http://help.yahoo.com/help/us/ysearch/sl... |
| 8 | 809 | 0.55 | 210 | 1.41 | +http://www.linkdex.com/bots/ |
| 9 | 28449 | 19.26 | 198 | 1.33 | http://mj12bot.com/ |
| 10 | 2337 | 1.58 | 130 | 0.87 | +http://yandex.com/bots |
| 11 | 949 | 0.64 | 90 | 0.60 | +http://www.semrush.com/bot.html |
| 12 | 105 | 0.07 | 80 | 0.54 | Windows 95 |
| 13 | 74 | 0.05 | 32 | 0.21 | Windows XP |
| 14 | 64 | 0.04 | 31 | 0.21 | Windows 98 |
| 15 | 70 | 0.05 | 30 | 0.20 | +http://cliqz.com/company/cliqzbot |
| 16 | 54 | 0.04 | 27 | 0.18 | +http://duckduckgo.com |
| 17 | 268 | 0.18 | 22 | 0.15 | +http://napoveda.seznam.cz/en/seznambot-... |
| 18 | 93 | 0.06 | 20 | 0.13 | +http://siteexplorer.info/Backlink-Check... |
| 19 | 22 | 0.01 | 18 | 0.12 | Windows ME |
| 20 | 19 | 0.01 | 17 | 0.11 | Windows CE |
| 21 | 20 | 0.01 | 17 | 0.11 | Auto; Windows |
| 22 | 26 | 0.02 | 17 | 0.11 | Windows 3.1 |
| 23 | 19 | 0.01 | 17 | 0.11 | MSIE 5.5; Windows NT 5.0 |
| 24 | 18 | 0.01 | 14 | 0.09 | ) - BrowseX (2.0.0 Windows |
| 25 | 20 | 0.01 | 14 | 0.09 | MSIE 5.5; Windows NT 4.0 |
| 26 | 12 | 0.01 | 10 | 0.07 | Windows 2000 |
| 27 | 19 | 0.01 | 10 | 0.07 | +http://www.pinterest.com/bot.html |
| 28 | 15 | 0.01 | 7 | 0.05 | +http://www.grapeshot.co.uk/crawler.php |
| 29 | 54 | 0.04 | 6 | 0.04 | +http://www.seokicks.de/robot.html |
| 30 | 9 | 0.01 | 5 | 0.03 | +http://www.proximic.com/info/spider.php |
| 31 | 10 | 0.01 | 5 | 0.03 | +https://www.mojeek.com/bot.html |
| 32 | 6 | 0.00 | 5 | 0.03 | WinHttp.WinHttpRequest.5 |
| 33 | 12 | 0.01 | 5 | 0.03 | +http://www.exabot.com/go/robot |
| 34 | 24 | 0.02 | 4 | 0.03 | +http://help.coccoc.com/searchengine |
| 35 | 1981 | 1.34 | 3 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 36 | 4 | 0.00 | 2 | 0.01 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 37 | 4 | 0.00 | 2 | 0.01 | +http://sur.ly/bot.html |
| 38 | 2 | 0.00 | 1 | 0.01 | https://nmap.org/book/nse.html |
| 39 | 3 | 0.00 | 1 | 0.01 | +http://filterdb.iss.net/crawler/ |
| 40 | 23 | 0.02 | 1 | 0.01 | +https://blog.vebidoo.de/vebidoobot/ |
| 41 | 3 | 0.00 | 1 | 0.01 | +http://www.seodiver.com/bot |
| 42 | 88 | 0.06 | 1 | 0.01 | Linux i686 [unknown version] |
| 43 | 2 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 44 | 38 | 0.03 | 1 | 0.01 | +http://naver.me/bot |
| 45 | 34023 | 23.03 | 1 | 0.01 | +http://megaindex.com/crawler |
| 46 | 2 | 0.00 | 1 | 0.01 | http://www.majestic12.co.uk/bot.php?+ |
| 47 | 3 | 0.00 | 1 | 0.01 | +http://prlog.ru/ |
| 48 | 7 | 0.00 | 1 | 0.01 | http://filterdb.iss.net/crawler/ |
| 49 | 1 | 0.00 | 1 | 0.01 | +http://eripp.com |
| 50 | 8 | 0.01 | 0 | 0.00 | Mail.RU_Bot/Img/2.0; +http://go.mail.ru/... |
| 51 | 1 | 0.00 | 0 | 0.00 | Android |
| 52 | 133 | 0.09 | 0 | 0.00 | +http://www.tineye.com/crawler.html |
| 53 | 1 | 0.00 | 0 | 0.00 | apps-presentations; +http://docs.google.... |
| 54 | 3 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 55 | 2 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
