| Used Operating Systems |
| 1 | 17814 | 42.30 | 83 | 3.37 | +crawl@savetheworldheritage.org |
| 2 | 10947 | 25.99 | 1208 | 49.11 | Windows NT |
| 3 | 9079 | 21.56 | 100 | 4.07 | http://www.majestic12.co.uk/bot.php?+ |
| 4 | 1050 | 2.49 | 8 | 0.33 | +http://OpenLinkProfiler.org/bot |
| 5 | 447 | 1.06 | 328 | 13.33 | +http://www.baidu.com/search/spider.html |
| 6 | 319 | 0.76 | 94 | 3.82 | +http://ahrefs.com/robot/ |
| 7 | 309 | 0.73 | 84 | 3.41 | +http://www.google.com/bot.html |
| 8 | 276 | 0.66 | 87 | 3.54 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 9 | 256 | 0.61 | 61 | 2.48 | +http://yandex.com/bots |
| 10 | 248 | 0.59 | 58 | 2.36 | +http://www.linkdex.com/bots/ |
| 11 | 189 | 0.45 | 73 | 2.97 | +http://www.bing.com/bingbot.htm |
| 12 | 150 | 0.36 | 41 | 1.67 | +http://www.exabot.com/go/robot |
| 13 | 136 | 0.32 | 4 | 0.16 | Linux [unknown version] |
| 14 | 108 | 0.26 | 0 | 0.00 | +http://indonesiancoder.com |
| 15 | 96 | 0.23 | 0 | 0.00 | Macintosh PPC |
| 16 | 84 | 0.20 | 50 | 2.03 | Windows 95 |
| 17 | 68 | 0.16 | 21 | 0.85 | http://help.yahoo.com/help/us/ysearch/sl... |
| 18 | 60 | 0.14 | 4 | 0.16 | Linux i686 [unknown version] |
| 19 | 42 | 0.10 | 21 | 0.85 | http://www.opensiteexplorer.org/dotbot, ... |
| 20 | 42 | 0.10 | 0 | 0.00 | Solaris 9.x |
| 21 | 42 | 0.10 | 8 | 0.33 | Windows 98 |
| 22 | 31 | 0.07 | 14 | 0.57 | MSIE 5.5; Windows NT 5.0 |
| 23 | 30 | 0.07 | 12 | 0.49 | Auto; Windows |
| 24 | 26 | 0.06 | 11 | 0.45 | Windows 2000 |
| 25 | 26 | 0.06 | 2 | 0.08 | +https://www.lipperhey.com/en/about/ |
| 26 | 24 | 0.06 | 12 | 0.49 | support.orangebot@orange.com |
| 27 | 24 | 0.06 | 2 | 0.08 | +http://filterdb.iss.net/crawler/ |
| 28 | 24 | 0.06 | 0 | 0.00 | i686 Linux; 20020515 |
| 29 | 24 | 0.06 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 30 | 24 | 0.06 | 12 | 0.49 | +http://duckduckgo.com |
| 31 | 22 | 0.05 | 12 | 0.49 | Windows CE |
| 32 | 20 | 0.05 | 10 | 0.41 | +http://www.meanpath.com/meanpathbot.htm... |
| 33 | 17 | 0.04 | 13 | 0.53 | MSIE 5.5; Windows NT 4.0 |
| 34 | 15 | 0.04 | 6 | 0.24 | Windows XP |
| 35 | 11 | 0.03 | 7 | 0.28 | Windows 3.1 |
| 36 | 10 | 0.02 | 7 | 0.28 | Windows ME |
| 37 | 6 | 0.01 | 2 | 0.08 | ) - BrowseX (2.0.0 Windows |
| 38 | 4 | 0.01 | 0 | 0.00 | Android |
| 39 | 3 | 0.01 | 1 | 0.04 | +http://www.semrush.com/bot.html |
| 40 | 3 | 0.01 | 2 | 0.08 | X11 |
| 41 | 2 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 42 | 2 | 0.00 | 2 | 0.08 | +info@netcraft.com |
| 43 | 2 | 0.00 | 0 | 0.00 | +http://www.xovibot.net/ |
| 44 | 2 | 0.00 | 0 | 0.00 | Win16 |
