1 二级目录(lù )泛(fàn )站(zhàn )主页(yè )连(lián )接 黑帽SEO技术站群(qún )之间(jiān )做连接,底子都是单向连(lián )接,具体单向(xiàng )连接是不是查(chá )找引擎(qíng )会当作采购的连接而赏罚(fá )尚(shàng )不可(kě )知,不过依(yī )据查找引擎(qíng )的(de )一(yī )些体现(xiàn ),好像对单(dān )向(xiàng )连(lián )接有(yǒu )必定的办(bàn )法很明(míng )显的一(yī )个(gè )比如是检(jiǎn )索quot
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