·1二级目(mù )录泛站主页连接(jiē ) 黑(hēi )帽SEO技术(shù )站群(qún )之间做连接,底(dǐ )子都(dōu )是(shì )单向连(lián )接(jiē ),具体单向(xiàng )连(lián )接是不是查(chá )找引擎会当(dāng )作采购(gòu )的(de )连接而赏罚尚不可知(zhī ),不过依(yī )据查找引擎(qíng )的一些(xiē )体现,好像对(duì )单(dān )向(xiàng )连(lián )接(jiē )有(yǒu )必(bì )定的办(bàn )法很明显(xiǎn )的一个比如是检(jiǎn )索quot
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