| Used Operating Systems |
| 1 | 35432 | 39.96 | 695 | 3.60 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 21823 | 24.61 | 13613 | 70.52 | +http://ahrefs.com/robot/ |
| 3 | 8231 | 9.28 | 903 | 4.68 | Windows NT |
| 4 | 3862 | 4.36 | 1148 | 5.95 | +http://www.bing.com/bingbot.htm |
| 5 | 3007 | 3.39 | 618 | 3.20 | +http://yandex.com/bots |
| 6 | 2720 | 3.07 | 1127 | 5.84 | +http://www.google.com/bot.html |
| 7 | 2494 | 2.81 | 22 | 0.11 | +http://OpenLinkProfiler.org/bot |
| 8 | 2078 | 2.34 | 0 | 0.00 | +http://www.baidu.com/search/spider.html |
| 9 | 1795 | 2.02 | 2 | 0.01 | crawler@goodzer.com |
| 10 | 1636 | 1.85 | 2 | 0.01 | +http://megaindex.com/crawler |
| 11 | 1168 | 1.32 | 115 | 0.60 | +http://www.semrush.com/bot.html |
| 12 | 681 | 0.77 | 110 | 0.57 | +http://www.linkdex.com/bots/ |
| 13 | 656 | 0.74 | 4 | 0.02 | +http://webmeup-crawler.com/ |
| 14 | 554 | 0.62 | 241 | 1.25 | +http://www.uptime.com/uptimebot |
| 15 | 496 | 0.56 | 61 | 0.32 | http://www.opensiteexplorer.org/dotbot, ... |
| 16 | 450 | 0.51 | 250 | 1.30 | http://help.yahoo.com/help/us/ysearch/sl... |
| 17 | 421 | 0.47 | 97 | 0.50 | +http://napoveda.seznam.cz/en/seznambot-... |
| 18 | 214 | 0.24 | 3 | 0.02 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 19 | 182 | 0.21 | 9 | 0.05 | +https://www.aihitdata.com/about |
| 20 | 106 | 0.12 | 46 | 0.24 | +http://duckduckgo.com |
| 21 | 85 | 0.10 | 27 | 0.14 | Windows XP |
| 22 | 70 | 0.08 | 28 | 0.15 | +spider@seoscanners.net |
| 23 | 66 | 0.07 | 27 | 0.14 | Windows 98 |
| 24 | 57 | 0.06 | 14 | 0.07 | +http://www.xovibot.net/ |
| 25 | 55 | 0.06 | 22 | 0.11 | Windows 95 |
| 26 | 54 | 0.06 | 8 | 0.04 | +http://www.seokicks.de/robot.html |
| 27 | 30 | 0.03 | 4 | 0.02 | +http://siteexplorer.info/ |
| 28 | 26 | 0.03 | 5 | 0.03 | MSIE 5.5; Windows NT 4.0 |
| 29 | 26 | 0.03 | 14 | 0.07 | +http://www.exabot.com/go/robot |
| 30 | 24 | 0.03 | 8 | 0.04 | Windows CE |
| 31 | 24 | 0.03 | 5 | 0.03 | +https://www.dataprovider.com/ |
| 32 | 21 | 0.02 | 3 | 0.02 | http://filterdb.iss.net/crawler/ |
| 33 | 20 | 0.02 | 7 | 0.04 | Windows 3.1 |
| 34 | 19 | 0.02 | 18 | 0.09 | +info@netcraft.com |
| 35 | 17 | 0.02 | 12 | 0.06 | +http://www.grapeshot.co.uk/crawler.php |
| 36 | 13 | 0.01 | 6 | 0.03 | ) - BrowseX (2.0.0 Windows |
| 37 | 10 | 0.01 | 5 | 0.03 | +https://www.mojeek.com/bot.html |
| 38 | 7 | 0.01 | 0 | 0.00 | J2ME/MIDP |
| 39 | 6 | 0.01 | 2 | 0.01 | http://nmap.org/book/nse.html |
| 40 | 6 | 0.01 | 4 | 0.02 | X11 |
| 41 | 5 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 42 | 5 | 0.01 | 4 | 0.02 | Windows ME |
| 43 | 4 | 0.00 | 3 | 0.02 | Linux i686 [unknown version] |
| 44 | 3 | 0.00 | 1 | 0.01 | Windows 2000 |
| 45 | 3 | 0.00 | 2 | 0.01 | Linux [unknown version] |
| 46 | 2 | 0.00 | 1 | 0.01 | +https://deusu.de/robot.html |
| 47 | 2 | 0.00 | 1 | 0.01 | +http://prlog.ru/ |
| 48 | 1 | 0.00 | 1 | 0.01 | RISC OS 4.02 |
| 49 | 1 | 0.00 | 1 | 0.01 | +http://glutenfreepleasure.com/ |
| 50 | 1 | 0.00 | 1 | 0.01 | Auto; Windows |
| 51 | 1 | 0.00 | 1 | 0.01 | MSIE 5.5; Windows NT 5.0 |
| 52 | 1 | 0.00 | 1 | 0.01 | X11; Linux x86_64; de |
| 53 | 1 | 0.00 | 1 | 0.01 | Android 2.3.5 |
