HP自动链，通过读取http_referer变量获得你的网址，然后读取你的网页标题和其他信息，来达到友情连接交换的效果。搜索引擎会根据本站的链接加快收录或者更新您的网站。-HP automatic chain, obtained by reading your site http_referer variable and then read your page titles and other information, to achieve the desired effect Link exc