| Used Operating Systems |
| 1 | 7951 | 20.10 | 566 | 8.02 | Windows NT |
| 2 | 7644 | 19.33 | 1090 | 15.45 | +http://www.bing.com/bingbot.htm |
| 3 | 6012 | 15.20 | 6 | 0.09 | +http://OpenLinkProfiler.org/bot |
| 4 | 4301 | 10.88 | 580 | 8.22 | http://help.yahoo.com/help/us/ysearch/sl... |
| 5 | 1977 | 5.00 | 335 | 4.75 | http://www.opensiteexplorer.org/dotbot, ... |
| 6 | 1866 | 4.72 | 276 | 3.91 | http://www.majestic12.co.uk/bot.php?+ |
| 7 | 1630 | 4.12 | 1500 | 21.26 | +http://ahrefs.com/robot/ |
| 8 | 1548 | 3.91 | 1369 | 19.41 | +http://www.baidu.com/search/spider.html |
| 9 | 1048 | 2.65 | 2 | 0.03 | http://crawler.007ac9.net/ |
| 10 | 930 | 2.35 | 419 | 5.94 | +http://www.google.com/bot.html |
| 11 | 692 | 1.75 | 175 | 2.48 | +http://napoveda.seznam.cz/en/seznambot-... |
| 12 | 644 | 1.63 | 161 | 2.28 | +http://www.semrush.com/bot.html |
| 13 | 577 | 1.46 | 203 | 2.88 | +http://yandex.com/bots |
| 14 | 523 | 1.32 | 1 | 0.01 | +http://megaindex.com/crawler |
| 15 | 322 | 0.81 | 6 | 0.09 | Windows 98 |
| 16 | 298 | 0.75 | 2 | 0.03 | http://www.wise-guys.nl/ |
| 17 | 260 | 0.66 | 119 | 1.69 | +http://www.exabot.com/go/robot |
| 18 | 216 | 0.55 | 3 | 0.04 | Windows 95 |
| 19 | 180 | 0.46 | 62 | 0.88 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 20 | 101 | 0.26 | 51 | 0.72 | +http://www.proximic.com/info/spider.php |
| 21 | 96 | 0.24 | 2 | 0.03 | Windows 92 |
| 22 | 72 | 0.18 | 8 | 0.11 | +http://www.seokicks.de/robot.html |
| 23 | 70 | 0.18 | 2 | 0.03 | Windows ME |
| 24 | 63 | 0.16 | 13 | 0.18 | Windows XP |
| 25 | 48 | 0.12 | 0 | 0.00 | MSIE 5.5; Windows NT 5.0 |
| 26 | 46 | 0.12 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 27 | 44 | 0.11 | 2 | 0.03 | MSIE 5.5; Windows NT 4.0 |
| 28 | 42 | 0.11 | 22 | 0.31 | +http://www.grapeshot.co.uk/crawler.php |
| 29 | 38 | 0.10 | 0 | 0.00 | Windows 2000 |
| 30 | 38 | 0.10 | 2 | 0.03 | Windows 3.1 |
| 31 | 34 | 0.09 | 3 | 0.04 | Auto; Windows |
| 32 | 34 | 0.09 | 4 | 0.06 | +http://siteexplorer.info/ |
| 33 | 30 | 0.08 | 2 | 0.03 | Windows CE |
| 34 | 28 | 0.07 | 0 | 0.00 | ) - BrowseX (2.0.0 Windows |
| 35 | 24 | 0.06 | 2 | 0.03 | +https://www.dataprovider.com/ |
| 36 | 22 | 0.06 | 11 | 0.16 | +http://duckduckgo.com |
| 37 | 17 | 0.04 | 7 | 0.10 | +http://www.linkdex.com/bots/ |
| 38 | 16 | 0.04 | 6 | 0.09 | +http://fulltext.sblog.cz/ |
| 39 | 16 | 0.04 | 8 | 0.11 | +http://help.coccoc.com/searchengine |
| 40 | 8 | 0.02 | 4 | 0.06 | +http://help.coccoc.com/ |
| 41 | 8 | 0.02 | 6 | 0.09 | Linux i686 [unknown version] |
| 42 | 8 | 0.02 | 6 | 0.09 | Intel Mac OS X 10.6 |
| 43 | 4 | 0.01 | 4 | 0.06 | +http://pmoz.info/doc/botinfo.htm |
| 44 | 4 | 0.01 | 2 | 0.03 | http://www.botje.com/plukkie.htm |
| 45 | 3 | 0.01 | 1 | 0.01 | +http://webmeup-crawler.com/ |
| 46 | 2 | 0.01 | 2 | 0.03 | Android |
| 47 | 2 | 0.01 | 0 | 0.00 | http://webagent.wise-guys.nl/ |
| 48 | 2 | 0.01 | 2 | 0.03 | Windows Phone OS 7.5 |
| 49 | 2 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 50 | 2 | 0.01 | 2 | 0.03 | +https://www.aihitdata.com/about |
| 51 | 2 | 0.01 | 2 | 0.03 | +info@netcraft.com |
| 52 | 2 | 0.01 | 2 | 0.03 | Macintosh |
| 53 | 1 | 0.00 | 1 | 0.01 | Linux i586 [unknown version] |
