| Used Operating Systems |
| 1 | 3864 | 39.24 | 3507 | 62.14 | +http://www.baidu.com/search/spider.html |
| 2 | 3597 | 36.53 | 1156 | 20.48 | Windows NT |
| 3 | 918 | 9.32 | 574 | 10.17 | +http://www.google.com/bot.html |
| 4 | 288 | 2.92 | 73 | 1.29 | +http://yandex.com/bots |
| 5 | 179 | 1.82 | 79 | 1.40 | +http://www.bing.com/bingbot.htm |
| 6 | 123 | 1.25 | 0 | 0.00 | http://filterdb.iss.net/crawler/ |
| 7 | 113 | 1.15 | 6 | 0.11 | +http://fulltext.sblog.cz/ |
| 8 | 88 | 0.89 | 6 | 0.11 | Android |
| 9 | 80 | 0.81 | 4 | 0.07 | Windows 98 |
| 10 | 68 | 0.69 | 23 | 0.41 | http://www.majestic12.co.uk/bot.php?+ |
| 11 | 56 | 0.57 | 51 | 0.90 | Windows 95 |
| 12 | 37 | 0.38 | 20 | 0.35 | +http://ahrefs.com/robot/ |
| 13 | 36 | 0.37 | 2 | 0.04 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 14 | 31 | 0.31 | 19 | 0.34 | +http://www.linkdex.com/bots/ |
| 15 | 30 | 0.30 | 16 | 0.28 | http://help.yahoo.com/help/us/ysearch/sl... |
| 16 | 30 | 0.30 | 10 | 0.18 | +http://www.semrush.com/bot.html |
| 17 | 30 | 0.30 | 14 | 0.25 | +http://duckduckgo.com |
| 18 | 28 | 0.28 | 11 | 0.19 | +http://help.coccoc.com/ |
| 19 | 23 | 0.23 | 12 | 0.21 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 20 | 20 | 0.20 | 2 | 0.04 | +http://advbot.net/bot.html |
| 21 | 20 | 0.20 | 2 | 0.04 | +null; null |
| 22 | 18 | 0.18 | 9 | 0.16 | http://www.opensiteexplorer.org/dotbot, ... |
| 23 | 18 | 0.18 | 1 | 0.02 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 24 | 15 | 0.15 | 1 | 0.02 | +http://webmeup-crawler.com/ |
| 25 | 14 | 0.14 | 1 | 0.02 | +http://www.easou.com/search/spider.html |
| 26 | 14 | 0.14 | 6 | 0.11 | +http://www.exabot.com/go/robot |
| 27 | 10 | 0.10 | 1 | 0.02 | +http://www.aihitdata.com/about |
| 28 | 9 | 0.09 | 1 | 0.02 | Linux [unknown version] |
| 29 | 9 | 0.09 | 1 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 30 | 8 | 0.08 | 1 | 0.02 | crawler@mixrank.com |
| 31 | 8 | 0.08 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 32 | 6 | 0.06 | 2 | 0.04 | +http://www.similartech.com/smtbot |
| 33 | 6 | 0.06 | 4 | 0.07 | MSIE 5.5; Windows NT 5.0 |
| 34 | 4 | 0.04 | 1 | 0.02 | http://deepcrawl.co.uk/bot.html |
| 35 | 4 | 0.04 | 0 | 0.00 | Windows 9. |
| 36 | 4 | 0.04 | 2 | 0.04 | Mail.RU_Bot/Robots; +http://go.mail.ru/h... |
| 37 | 4 | 0.04 | 2 | 0.04 | +https://www.mojeek.com/bot.html |
| 38 | 4 | 0.04 | 1 | 0.02 | +http://mercedes-w123.net |
| 39 | 4 | 0.04 | 1 | 0.02 | Windows Phone OS 7.5 |
| 40 | 4 | 0.04 | 2 | 0.04 | +http://gimme60.com |
| 41 | 4 | 0.04 | 2 | 0.04 | +http://www.meanpath.com/meanpathbot.htm... |
| 42 | 4 | 0.04 | 4 | 0.07 | +http://domainsigma.com/robot |
| 43 | 3 | 0.03 | 1 | 0.02 | Trident/6.0; Windows NT 5.2; SpamBlocker... |
| 44 | 2 | 0.02 | 2 | 0.04 | Windows 2000 |
| 45 | 2 | 0.02 | 1 | 0.02 | http://crawler.sistrix.net/ |
| 46 | 2 | 0.02 | 2 | 0.04 | Windows 3.1 |
| 47 | 2 | 0.02 | 1 | 0.02 | +info@netcraft.com |
| 48 | 1 | 0.01 | 1 | 0.02 | Windows CE |
| 49 | 1 | 0.01 | 1 | 0.02 | MSIE 5.5; Windows NT 4.0 |
| 50 | 1 | 0.01 | 1 | 0.02 | +http://www.grapeshot.co.uk/crawler.php |
| 51 | 1 | 0.01 | 1 | 0.02 | +; |
| 52 | 1 | 0.01 | 1 | 0.02 | +http://www.loadtime.net/bot.html |
| 53 | 1 | 0.01 | 1 | 0.02 | Android 2.3.5 |
| 54 | 1 | 0.01 | 1 | 0.02 | FreeBSD [unknown version] |
