| Used Operating Systems |
| 1 | 54694 | 47.66 | 26037 | 61.48 | +http://www.baidu.com/search/spider.html |
| 2 | 18000 | 15.68 | 203 | 0.48 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 16001 | 13.94 | 13645 | 32.22 | +http://ahrefs.com/robot/ |
| 4 | 12445 | 10.84 | 611 | 1.44 | +http://yandex.com/bots |
| 5 | 4975 | 4.33 | 363 | 0.86 | Windows NT |
| 6 | 2153 | 1.88 | 3 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 7 | 2151 | 1.87 | 3 | 0.01 | +http://megaindex.com/crawler |
| 8 | 1440 | 1.25 | 359 | 0.85 | +http://www.bing.com/bingbot.htm |
| 9 | 1290 | 1.12 | 650 | 1.53 | +http://www.google.com/bot.html |
| 10 | 397 | 0.35 | 125 | 0.30 | http://www.opensiteexplorer.org/dotbot, ... |
| 11 | 301 | 0.26 | 34 | 0.08 | +http://www.semrush.com/bot.html |
| 12 | 286 | 0.25 | 86 | 0.20 | http://help.yahoo.com/help/us/ysearch/sl... |
| 13 | 276 | 0.24 | 172 | 0.41 | +http://www.linkdex.com/bots/ |
| 14 | 114 | 0.10 | 6 | 0.01 | +http://napoveda.seznam.cz/en/seznambot-... |
| 15 | 57 | 0.05 | 2 | 0.00 | http://filterdb.iss.net/crawler/ |
| 16 | 36 | 0.03 | 4 | 0.01 | +http://www.seokicks.de/robot.html |
| 17 | 26 | 0.02 | 8 | 0.02 | Windows 95 |
| 18 | 24 | 0.02 | 8 | 0.02 | +spider@seoscanners.net |
| 19 | 20 | 0.02 | 7 | 0.02 | +http://www.exabot.com/go/robot |
| 20 | 19 | 0.02 | 4 | 0.01 | +http://www.uptime.com/uptimebot |
| 21 | 12 | 0.01 | 1 | 0.00 | +https://www.dataprovider.com/ |
| 22 | 10 | 0.01 | 4 | 0.01 | Windows CE |
| 23 | 9 | 0.01 | 5 | 0.01 | Windows 98 |
| 24 | 7 | 0.01 | 0 | 0.00 | Windows XP |
| 25 | 7 | 0.01 | 1 | 0.00 | MSIE 5.5; Windows NT 5.0 |
| 26 | 3 | 0.00 | 3 | 0.01 | Windows ME |
| 27 | 3 | 0.00 | 2 | 0.00 | +info@netcraft.com |
| 28 | 2 | 0.00 | 2 | 0.00 | http://nmap.org/book/nse.html |
| 29 | 2 | 0.00 | 1 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 30 | 2 | 0.00 | 2 | 0.00 | MSIE 5.5; Windows NT 4.0 |
| 31 | 1 | 0.00 | 1 | 0.00 | Windows 2000 |
| 32 | 1 | 0.00 | 1 | 0.00 | Linux [unknown version] |
