| Used Operating Systems by Visits |
| 1 | 30822 | 27.76 | 25288 | 54.57 | +http://ahrefs.com/robot/ |
| 2 | 19991 | 18.01 | 15437 | 33.31 | +http://www.baidu.com/search/spider.html |
| 3 | 4262 | 3.84 | 1639 | 3.54 | +http://www.google.com/bot.html |
| 4 | 4864 | 4.38 | 1303 | 2.81 | +http://www.bing.com/bingbot.htm |
| 5 | 4451 | 4.01 | 644 | 1.39 | Windows NT |
| 6 | 1367 | 1.23 | 451 | 0.97 | +http://www.linkdex.com/bots/ |
| 7 | 705 | 0.64 | 391 | 0.84 | http://help.yahoo.com/help/us/ysearch/sl... |
| 8 | 26115 | 23.52 | 242 | 0.52 | http://mj12bot.com/ |
| 9 | 724 | 0.65 | 190 | 0.41 | +http://yandex.com/bots |
| 10 | 256 | 0.23 | 175 | 0.38 | +http://www.xovibot.net/ |
| 11 | 369 | 0.33 | 146 | 0.32 | +spider@seoscanners.net |
| 12 | 191 | 0.17 | 96 | 0.21 | +http://napoveda.seznam.cz/en/seznambot-... |
| 13 | 492 | 0.44 | 82 | 0.18 | +http://www.profound.net/domainappender |
| 14 | 9855 | 8.88 | 58 | 0.13 | http://www.majestic12.co.uk/bot.php?+ |
| 15 | 68 | 0.06 | 36 | 0.08 | +http://www.exabot.com/go/robot |
| 16 | 46 | 0.04 | 25 | 0.05 | +http://www.proximic.com/info/spider.php |
| 17 | 2552 | 2.30 | 24 | 0.05 | +http://www.semrush.com/bot.html |
| 18 | 38 | 0.03 | 16 | 0.03 | Windows 95 |
| 19 | 22 | 0.02 | 12 | 0.03 | +http://www.grapeshot.co.uk/crawler.php |
| 20 | 25 | 0.02 | 9 | 0.02 | Windows XP |
| 21 | 61 | 0.05 | 9 | 0.02 | +http://help.coccoc.com/searchengine |
| 22 | 9 | 0.01 | 8 | 0.02 | +http://glutenfreepleasure.com/ |
| 23 | 1390 | 1.25 | 8 | 0.02 | +http://siteexplorer.info/Backlink-Check... |
| 24 | 47 | 0.04 | 7 | 0.02 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 25 | 7 | 0.01 | 7 | 0.02 | Intel Mac OS X 10.6 |
| 26 | 54 | 0.05 | 6 | 0.01 | +http://www.seokicks.de/robot.html |
| 27 | 11 | 0.01 | 5 | 0.01 | Windows 98 |
| 28 | 8 | 0.01 | 4 | 0.01 | +http://duckduckgo.com |
| 29 | 1491 | 1.34 | 3 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 30 | 8 | 0.01 | 2 | 0.00 | http://www.searchmetrics.com/en/searchme... |
| 31 | 4 | 0.00 | 2 | 0.00 | +https://www.mojeek.com/bot.html |
| 32 | 3 | 0.00 | 2 | 0.00 | Windows 3.1 |
| 33 | 34 | 0.03 | 1 | 0.00 | Windows |
| 34 | 3 | 0.00 | 1 | 0.00 | Windows 2000 |
| 35 | 1 | 0.00 | 1 | 0.00 | Auto; Windows |
| 36 | 130 | 0.12 | 1 | 0.00 | +http://www.warebay.com/bot.html |
| 37 | 21 | 0.02 | 1 | 0.00 | +http://filterdb.iss.net/crawler/ |
| 38 | 1 | 0.00 | 1 | 0.00 | +http://www.netseer.com/crawler.html; cr... |
| 39 | 1 | 0.00 | 1 | 0.00 | http://nmap.org/book/nse.html |
| 40 | 250 | 0.23 | 1 | 0.00 | Linux [unknown version] |
| 41 | 1 | 0.00 | 1 | 0.00 | Windows ME |
| 42 | 250 | 0.23 | 1 | 0.00 | Linux i686 [unknown version] |
| 43 | 1 | 0.00 | 1 | 0.00 | MSIE 5.5; Windows NT 5.0 |
| 44 | 3 | 0.00 | 1 | 0.00 | +info@netcraft.com |
| 45 | 3 | 0.00 | 1 | 0.00 | +http://prlog.ru/ |
| 46 | 1 | 0.00 | 1 | 0.00 | ) - BrowseX (2.0.0 Windows |
| 47 | 2 | 0.00 | 1 | 0.00 | +http://webmeup-crawler.com/ |
| 48 | 3 | 0.00 | 1 | 0.00 | MSIE 5.5; Windows NT 4.0 |
| 49 | 7 | 0.01 | 1 | 0.00 | http://filterdb.iss.net/crawler/ |
| 50 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
