baidu与google的浏览器

baidu与google的浏览器

1 19825 91.29% Micro$oft Internet Exploder
2 10590 48.76% Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 1.1.4322; .NET CLR 2.0.50727)
3 5910 27.21% Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; )
4 1592 7.33% Netscape
5 1505 6.93% Mozilla/5.0 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)
6 1262 5.81% Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)
7 1064 4.90% Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.0)
8 451 2.08% Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)
9 307 1.41% Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; CIBA)
10 165 0.76% Baiduspider+(+http://www.baidu.com/search/spider.htm)
11 126 0.58% panscient.com
12 65 0.30% Mozilla/5.0 (Windows; U; Windows NT 5.1; zh-CN; rv:1.9.0.5) Gecko/2008120122 Firefox/3.0.5
13 54 0.25% Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.2; SV1; .NET CLR 1.1.4322; Lunascape 5.0 alpha3)
14 49 0.23% Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.0; .NET CLR 1.1.4322)
15 44 0.20% Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)  


看看排在第十与第五位的,有google与baidu,是爬虫系统还是搜索引擎抓取网址呢
i can't understand clearly.i want to know it.please support


i think it is 搜索引擎抓取网址.