| Used Operating Systems |
| 1 | 49380 | 38.92 | 359 | 2.09 | http://mj12bot.com/ |
| 2 | 21349 | 16.83 | 1 | 0.01 | +http://megaindex.com/crawler |
| 3 | 15659 | 12.34 | 2281 | 13.26 | Windows NT |
| 4 | 13597 | 10.72 | 315 | 1.83 | +http://yandex.com/bots |
| 5 | 13028 | 10.27 | 8950 | 52.03 | +http://ahrefs.com/robot/ |
| 6 | 6703 | 5.28 | 3782 | 21.99 | +http://www.baidu.com/search/spider.html |
| 7 | 2047 | 1.61 | 5 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 8 | 1450 | 1.14 | 323 | 1.88 | +http://www.linkdex.com/bots/ |
| 9 | 807 | 0.64 | 134 | 0.78 | +http://www.bing.com/bingbot.htm |
| 10 | 522 | 0.41 | 152 | 0.88 | +http://www.google.com/bot.html |
| 11 | 325 | 0.26 | 54 | 0.31 | http://help.yahoo.com/help/us/ysearch/sl... |
| 12 | 315 | 0.25 | 230 | 1.34 | Windows 95 |
| 13 | 253 | 0.20 | 1 | 0.01 | Linux [unknown version] |
| 14 | 250 | 0.20 | 83 | 0.48 | Windows 98 |
| 15 | 132 | 0.10 | 120 | 0.70 | +http://www.uptime.com/uptimebot |
| 16 | 130 | 0.10 | 0 | 0.00 | +https://www.mojeek.com/bot.html |
| 17 | 94 | 0.07 | 1 | 0.01 | +http://napoveda.seznam.cz/en/seznambot-... |
| 18 | 69 | 0.05 | 20 | 0.12 | Windows XP |
| 19 | 69 | 0.05 | 46 | 0.27 | Windows 3.1 |
| 20 | 68 | 0.05 | 25 | 0.15 | +http://www.exabot.com/go/robot |
| 21 | 67 | 0.05 | 6 | 0.03 | +http://www.semrush.com/bot.html |
| 22 | 66 | 0.05 | 39 | 0.23 | Windows ME |
| 23 | 64 | 0.05 | 51 | 0.30 | Windows CE |
| 24 | 60 | 0.05 | 46 | 0.27 | ) - BrowseX (2.0.0 Windows |
| 25 | 54 | 0.04 | 43 | 0.25 | Auto; Windows |
| 26 | 54 | 0.04 | 43 | 0.25 | MSIE 5.5; Windows NT 5.0 |
| 27 | 46 | 0.04 | 37 | 0.22 | MSIE 5.5; Windows NT 4.0 |
| 28 | 36 | 0.03 | 0 | 0.00 | +http://glutenfreepleasure.com/ |
| 29 | 31 | 0.02 | 28 | 0.16 | Windows 2000 |
| 30 | 27 | 0.02 | 3 | 0.02 | +http://www.seokicks.de/robot.html |
| 31 | 20 | 0.02 | 4 | 0.02 | +http://www.id-search.xyz/bot.html |
| 32 | 18 | 0.01 | 0 | 0.00 | +http://siteexplorer.info/Backlink-Check... |
| 33 | 16 | 0.01 | 0 | 0.00 | http://www.opensiteexplorer.org/dotbot, ... |
| 34 | 14 | 0.01 | 0 | 0.00 | http://yooz.ir; info@yooz.ir |
| 35 | 9 | 0.01 | 0 | 0.00 | Macintosh PPC |
| 36 | 9 | 0.01 | 3 | 0.02 | MSIE 6.0; Windows NT 5.1 |
| 37 | 8 | 0.01 | 4 | 0.02 | +http://cs.daum.net/faq/15/4118.html?faq... |
| 38 | 6 | 0.00 | 0 | 0.00 | +https://deusu.de/robot.html |
| 39 | 6 | 0.00 | 4 | 0.02 | +http://sur.ly/bot.html |
| 40 | 4 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 41 | 3 | 0.00 | 0 | 0.00 | Amiga-AWeb |
| 42 | 2 | 0.00 | 2 | 0.01 | Macintosh; Intel Mac OS X 10_7_3; Triden... |
| 43 | 2 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 44 | 2 | 0.00 | 2 | 0.01 | +http://www.google.com/bot.html,Yahoo! S... |
| 45 | 2 | 0.00 | 0 | 0.00 | Win16 |
| 46 | 2 | 0.00 | 2 | 0.01 | +info@netcraft.com |
| 47 | 2 | 0.00 | 0 | 0.00 | OSF1 V5.1 alpha |
| 48 | 2 | 0.00 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 49 | 2 | 0.00 | 1 | 0.01 | http://www.majestic12.co.uk/bot.php?+ |
| 50 | 2 | 0.00 | 0 | 0.00 | UrlCrawler; http://www.seomoz.org/dp/rog... |
| 51 | 1 | 0.00 | 1 | 0.01 | http://www.jambot.com/directory |
