1 二级目(mù )录泛(fàn )站主(zhǔ )页连接 黑帽SEO技术(shù )站群(qún )之(zhī )间做连(lián )接(jiē ),底子都是单向(xiàng )连接(jiē ),具(jù )体(tǐ )单向连(lián )接(jiē )是不是(shì )查找引擎会当作采(cǎi )购的连接而赏罚尚(shàng )不可知,不(bú )过依(yī )据查找引擎的一些体(tǐ )现,好像(xiàng )对单向连接(jiē )有必(bì )定的办法很明显的一(yī )个(gè )比(bǐ )如是(shì )检(jiǎn )索quot
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