·1二级目(mù )录泛(fàn )站主页连接 黑帽SEO技术(shù )站群(qún )之间做连接,底子都是(shì )单(dān )向连(lián )接,具体(tǐ )单(dān )向(xiàng )连接是不是查找(zhǎo )引擎会当(dāng )作采购的连(lián )接而赏罚尚不可知,不过依据查(chá )找引(yǐn )擎的(de )一些体现,好像(xiàng )对(duì )单(dān )向(xiàng )连接有必(bì )定的办(bàn )法很明显(xiǎn )的一个比如是(shì )检(jiǎn )索quot
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