| Used Operating Systems |
| 1 | 37835 | 60.65 | 416 | 3.40 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 8444 | 13.54 | 5082 | 41.59 | +http://www.baidu.com/search/spider.html |
| 3 | 7667 | 12.29 | 4075 | 33.35 | +http://ahrefs.com/robot/ |
| 4 | 3427 | 5.49 | 976 | 7.99 | Windows NT |
| 5 | 1452 | 2.33 | 457 | 3.74 | +http://www.bing.com/bingbot.htm |
| 6 | 670 | 1.07 | 140 | 1.15 | +http://yandex.com/bots |
| 7 | 578 | 0.93 | 157 | 1.28 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 8 | 566 | 0.91 | 283 | 2.32 | +http://www.linkdex.com/bots/ |
| 9 | 494 | 0.79 | 163 | 1.33 | +http://www.google.com/bot.html |
| 10 | 171 | 0.27 | 146 | 1.19 | +http://www.xovibot.net/ |
| 11 | 105 | 0.17 | 32 | 0.26 | Windows 95 |
| 12 | 100 | 0.16 | 5 | 0.04 | +http://webmeup-crawler.com/ |
| 13 | 96 | 0.15 | 39 | 0.32 | Windows XP |
| 14 | 90 | 0.14 | 2 | 0.02 | +http://filterdb.iss.net/crawler/ |
| 15 | 85 | 0.14 | 69 | 0.56 | +http://www.uptime.com/uptimebot |
| 16 | 82 | 0.13 | 4 | 0.03 | +http://www.warebay.com/bot.html |
| 17 | 68 | 0.11 | 28 | 0.23 | http://help.yahoo.com/help/us/ysearch/sl... |
| 18 | 64 | 0.10 | 2 | 0.02 | +http://www.privacyaware.org |
| 19 | 52 | 0.08 | 21 | 0.17 | Windows 98 |
| 20 | 50 | 0.08 | 5 | 0.04 | +http://OpenLinkProfiler.org/bot |
| 21 | 38 | 0.06 | 12 | 0.10 | +http://help.coccoc.com/ |
| 22 | 30 | 0.05 | 10 | 0.08 | +http://fulltext.sblog.cz/ |
| 23 | 26 | 0.04 | 5 | 0.04 | Windows 2000 |
| 24 | 22 | 0.04 | 2 | 0.02 | http://crawler.007ac9.net/ |
| 25 | 18 | 0.03 | 2 | 0.02 | crawler@mixrank.com |
| 26 | 18 | 0.03 | 7 | 0.06 | Windows CE |
| 27 | 17 | 0.03 | 9 | 0.07 | MSIE 5.5; Windows NT 5.0 |
| 28 | 16 | 0.03 | 7 | 0.06 | +http://www.exabot.com/go/robot |
| 29 | 15 | 0.02 | 15 | 0.12 | apps-spreadsheets; +http://docs.google.c... |
| 30 | 10 | 0.02 | 1 | 0.01 | +http://megaindex.com/crawler |
| 31 | 7 | 0.01 | 7 | 0.06 | Linux [unknown version] |
| 32 | 7 | 0.01 | 5 | 0.04 | ) - BrowseX (2.0.0 Windows |
| 33 | 6 | 0.01 | 2 | 0.02 | Windows ME |
| 34 | 6 | 0.01 | 2 | 0.02 | +https://www.lipperhey.com/en/about/ |
| 35 | 5 | 0.01 | 5 | 0.04 | https://help.yahoo.com/kb/mail/yahoo-lin... |
| 36 | 4 | 0.01 | 4 | 0.03 | +http://pmoz.info/doc/botinfo.htm |
| 37 | 4 | 0.01 | 4 | 0.03 | MSIE 5.5; Windows NT 4.0 |
| 38 | 4 | 0.01 | 1 | 0.01 | +https://teeraid.com/bot/ |
| 39 | 4 | 0.01 | 2 | 0.02 | +http://duckduckgo.com |
| 40 | 3 | 0.00 | 2 | 0.02 | http://nmap.org/book/nse.html |
| 41 | 3 | 0.00 | 2 | 0.02 | +info@netcraft.com |
| 42 | 2 | 0.00 | 0 | 0.00 | MSIE 5.5; Windows NT 5.1 |
| 43 | 2 | 0.00 | 2 | 0.02 | +http://www.linkpad.ru |
| 44 | 2 | 0.00 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 45 | 2 | 0.00 | 2 | 0.02 | Android 2.2 |
| 46 | 2 | 0.00 | 2 | 0.02 | Linux i686 [unknown version] |
| 47 | 2 | 0.00 | 1 | 0.01 | +http://www.semrush.com/bot.html |
| 48 | 2 | 0.00 | 2 | 0.02 | +http://www.grapeshot.co.uk/crawler.php |
| 49 | 2 | 0.00 | 0 | 0.00 | +http://siteexplorer.info/ |
| 50 | 2 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 51 | 2 | 0.00 | 2 | 0.02 | X11 |
| 52 | 1 | 0.00 | 1 | 0.01 | +http://glutenfreepleasure.com/ |
| 53 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
