| Used Operating Systems |
| 1 | 45489 | 38.79 | 841 | 4.70 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 30834 | 26.30 | 11573 | 64.72 | +http://ahrefs.com/robot/ |
| 3 | 9324 | 7.95 | 1109 | 6.20 | Windows NT |
| 4 | 8462 | 7.22 | 754 | 4.22 | +http://yandex.com/bots |
| 5 | 5610 | 4.78 | 1304 | 7.29 | +http://www.bing.com/bingbot.htm |
| 6 | 3425 | 2.92 | 24 | 0.13 | +http://OpenLinkProfiler.org/bot |
| 7 | 3088 | 2.63 | 1148 | 6.42 | +http://www.google.com/bot.html |
| 8 | 2671 | 2.28 | 0 | 0.00 | +http://www.baidu.com/search/spider.html |
| 9 | 1855 | 1.58 | 2 | 0.01 | crawler@goodzer.com |
| 10 | 1680 | 1.43 | 3 | 0.02 | +http://megaindex.com/crawler |
| 11 | 684 | 0.58 | 5 | 0.03 | http://crawler.007ac9.net/ |
| 12 | 623 | 0.53 | 124 | 0.69 | +http://www.linkdex.com/bots/ |
| 13 | 603 | 0.51 | 319 | 1.78 | http://help.yahoo.com/help/us/ysearch/sl... |
| 14 | 567 | 0.48 | 63 | 0.35 | +http://www.semrush.com/bot.html |
| 15 | 484 | 0.41 | 57 | 0.32 | http://www.opensiteexplorer.org/dotbot, ... |
| 16 | 448 | 0.38 | 1 | 0.01 | +http://www.linkpad.ru |
| 17 | 276 | 0.24 | 28 | 0.16 | +http://napoveda.seznam.cz/en/seznambot-... |
| 18 | 192 | 0.16 | 144 | 0.81 | +http://www.uptime.com/uptimebot |
| 19 | 116 | 0.10 | 79 | 0.44 | Windows 95 |
| 20 | 93 | 0.08 | 29 | 0.16 | Windows XP |
| 21 | 87 | 0.07 | 39 | 0.22 | +http://duckduckgo.com |
| 22 | 78 | 0.07 | 21 | 0.12 | Windows 98 |
| 23 | 62 | 0.05 | 1 | 0.01 | SpreadTrum |
| 24 | 51 | 0.04 | 11 | 0.06 | +https://www.dataprovider.com/ |
| 25 | 48 | 0.04 | 6 | 0.03 | +http://www.seokicks.de/robot.html |
| 26 | 41 | 0.03 | 22 | 0.12 | +http://www.exabot.com/go/robot |
| 27 | 37 | 0.03 | 4 | 0.02 | +http://siteexplorer.info/ |
| 28 | 33 | 0.03 | 5 | 0.03 | http://filterdb.iss.net/crawler/ |
| 29 | 29 | 0.02 | 18 | 0.10 | Windows CE |
| 30 | 28 | 0.02 | 0 | 0.00 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 31 | 26 | 0.02 | 11 | 0.06 | MSIE 5.5; Windows NT 5.0 |
| 32 | 25 | 0.02 | 18 | 0.10 | Windows 2000 |
| 33 | 20 | 0.02 | 2 | 0.01 | +https://www.aihitdata.com/about |
| 34 | 19 | 0.02 | 15 | 0.08 | Windows 3.1 |
| 35 | 18 | 0.02 | 7 | 0.04 | http://www.botje.com/plukkie.htm |
| 36 | 18 | 0.02 | 18 | 0.10 | +http://www.xovibot.net/ |
| 37 | 16 | 0.01 | 4 | 0.02 | +http://webmeup-crawler.com/ |
| 38 | 15 | 0.01 | 9 | 0.05 | +http://www.grapeshot.co.uk/crawler.php |
| 39 | 12 | 0.01 | 11 | 0.06 | ) - BrowseX (2.0.0 Windows |
| 40 | 10 | 0.01 | 7 | 0.04 | Linux [unknown version] |
| 41 | 9 | 0.01 | 9 | 0.05 | Auto; Windows |
| 42 | 9 | 0.01 | 8 | 0.04 | +info@netcraft.com |
| 43 | 8 | 0.01 | 8 | 0.04 | MSIE 5.5; Windows NT 4.0 |
| 44 | 7 | 0.01 | 7 | 0.04 | Windows ME |
| 45 | 5 | 0.00 | 4 | 0.02 | +https://gimmeusa.com/crawler.html |
| 46 | 5 | 0.00 | 1 | 0.01 | http://nmap.org/book/nse.html |
| 47 | 4 | 0.00 | 4 | 0.02 | Linux i686 [unknown version] |
| 48 | 4 | 0.00 | 2 | 0.01 | WinHttp.WinHttpRequest.5 |
| 49 | 2 | 0.00 | 2 | 0.01 | Firefox/5.0 |
| 50 | 2 | 0.00 | 1 | 0.01 | +http://prlog.ru/ |
| 51 | 2 | 0.00 | 0 | 0.00 | Macintosh |
| 52 | 1 | 0.00 | 0 | 0.00 | apps-presentations; +http://docs.google.... |
