1 二级目(mù )录泛站主页连(lián )接(jiē ) 黑(hēi )帽SEO技术站群之(zhī )间(jiān )做连接,底(dǐ )子都(dōu )是单向连接,具(jù )体单向连接是(shì )不(bú )是查找引擎会当(dāng )作采购(gòu )的(de )连接而赏罚尚不可(kě )知,不过依据查找引擎的(de )一(yī )些体(tǐ )现(xiàn ),好(hǎo )像(xiàng )对(duì )单(dān )向连(lián )接有必定(dìng )的办法很(hěn )明显的一(yī )个比(bǐ )如(rú )是(shì )检(jiǎn )索quot
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