·1二级(jí )目录泛(fàn )站主页连接 黑帽SEO技(jì )术站群之间做(zuò )连接,底子都是(shì )单(dān )向连接,具体单向(xiàng )连(lián )接(jiē )是不是查(chá )找引擎会当(dāng )作采购的连接而赏(shǎng )罚尚(shàng )不(bú )可知,不过(guò )依据查找引(yǐn )擎(qíng )的(de )一(yī )些体现(xiàn ),好(hǎo )像对单向(xiàng )连接有(yǒu )必(bì )定的办法(fǎ )很明(míng )显的一个(gè )比如是(shì )检索quot
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