·1二级(jí )目录泛站(zhàn )主页连(lián )接 黑帽SEO技(jì )术站群之间做连接(jiē ),底子都是单(dān )向连接(jiē ),具体单向连接是(shì )不(bú )是查找引(yǐn )擎会(huì )当(dāng )作采购的连接而赏罚(fá )尚不(bú )可知(zhī ),不过依据查找引擎的(de )一些(xiē )体(tǐ )现,好(hǎo )像对(duì )单向(xiàng )连接(jiē )有(yǒu )必定(dìng )的(de )办(bàn )法(fǎ )很(hěn )明显的一(yī )个比如是(shì )检(jiǎn )索quot
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