| Used Operating Systems by Visits |
| 1 | 2209 | 11.37 | 991 | 33.54 | +http://ahrefs.com/robot/ |
| 2 | 3353 | 17.25 | 547 | 18.51 | http://www.opensiteexplorer.org/dotbot, ... |
| 3 | 507 | 2.61 | 380 | 12.86 | +http://www.baidu.com/search/spider.html |
| 4 | 2541 | 13.07 | 359 | 12.15 | Windows NT |
| 5 | 766 | 3.94 | 189 | 6.40 | +http://www.bing.com/bingbot.htm |
| 6 | 2876 | 14.80 | 168 | 5.69 | http://www.majestic12.co.uk/bot.php?+ |
| 7 | 262 | 1.35 | 87 | 2.94 | +http://www.google.com/bot.html |
| 8 | 230 | 1.18 | 81 | 2.74 | +http://yandex.com/bots |
| 9 | 126 | 0.65 | 37 | 1.25 | http://help.yahoo.com/help/us/ysearch/sl... |
| 10 | 220 | 1.13 | 20 | 0.68 | +http://www.semrush.com/bot.html |
| 11 | 25 | 0.13 | 12 | 0.41 | Windows 95 |
| 12 | 70 | 0.36 | 12 | 0.41 | +http://www.exabot.com/go/robot |
| 13 | 48 | 0.25 | 10 | 0.34 | +http://fulltext.sblog.cz/ |
| 14 | 20 | 0.10 | 9 | 0.30 | +http://help.coccoc.com/ |
| 15 | 7 | 0.04 | 7 | 0.24 | Windows 3.1 |
| 16 | 6 | 0.03 | 6 | 0.20 | Windows CE |
| 17 | 6 | 0.03 | 6 | 0.20 | Windows 2000 |
| 18 | 10 | 0.05 | 5 | 0.17 | +http://www.meanpath.com/meanpathbot.htm... |
| 19 | 16 | 0.08 | 4 | 0.14 | http://filterdb.iss.net/crawler/ |
| 20 | 45 | 0.23 | 4 | 0.14 | Windows 98 |
| 21 | 3 | 0.02 | 3 | 0.10 | +http://glutenfreepleasure.com/ |
| 22 | 5390 | 27.73 | 3 | 0.10 | +http://megaindex.com/crawler |
| 23 | 10 | 0.05 | 3 | 0.10 | MSIE 5.5; Windows NT 4.0 |
| 24 | 2 | 0.01 | 2 | 0.07 | Auto; Windows |
| 25 | 2 | 0.01 | 2 | 0.07 | +info@netcraft.com |
| 26 | 68 | 0.35 | 2 | 0.07 | +https://www.aihitdata.com/about |
| 27 | 516 | 2.65 | 1 | 0.03 | +http://www.warebay.com/bot.html |
| 28 | 1 | 0.01 | 1 | 0.03 | +http://www.privacyaware.org |
| 29 | 2 | 0.01 | 1 | 0.03 | http://www.botje.com/plukkie.htm |
| 30 | 3 | 0.02 | 1 | 0.03 | Linux i686 [unknown version] |
| 31 | 1 | 0.01 | 1 | 0.03 | MSIE 5.5; Windows NT 5.0 |
| 32 | 1 | 0.01 | 1 | 0.03 | +http://www.uptime.com/uptimebot |
| 33 | 6 | 0.03 | 0 | 0.00 | +http://OpenLinkProfiler.org/bot |
| 34 | 26 | 0.13 | 0 | 0.00 | Windows XP |
| 35 | 9 | 0.05 | 0 | 0.00 | Windows ME |
| 36 | 4 | 0.02 | 0 | 0.00 | crawler@goodzer.com |
| 37 | 3 | 0.02 | 0 | 0.00 | +http://www.linkdex.com/bots/ |
| 38 | 16 | 0.08 | 0 | 0.00 | +https://www.mojeek.com/bot.html |
| 39 | 4 | 0.02 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 40 | 10 | 0.05 | 0 | 0.00 | +https://www.lipperhey.com/en/about/ |
| 41 | 16 | 0.08 | 0 | 0.00 | +http://webmeup-crawler.com/ |
