1 二级目录(lù )泛站(zhàn )主(zhǔ )页连接 黑帽SEO技(jì )术站(zhàn )群之间做(zuò )连接,底(dǐ )子都是(shì )单向连接,具(jù )体(tǐ )单向连(lián )接(jiē )是(shì )不是(shì )查(chá )找引(yǐn )擎(qíng )会当作(zuò )采购的连(lián )接而赏罚尚不(bú )可知,不(bú )过依据查找引擎的一些体现(xiàn ),好(hǎo )像对单(dān )向连接有必(bì )定的办法很明显的一(yī )个比(bǐ )如是检(jiǎn )索quot
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