1 二级目录泛站主页连接 黑帽SEO技术站(zhàn )群之(zhī )间(jiān )做(zuò )连接,底子(zǐ )都是(shì )单(dān )向连接,具体单向连接是不(bú )是(shì )查(chá )找引(yǐn )擎会当(dāng )作采购的连接而赏(shǎng )罚尚(shàng )不可(kě )知,不过(guò )依据查找引擎的一(yī )些(xiē )体现,好(hǎo )像对(duì )单向连接有必(bì )定(dìng )的办法很(hěn )明显的一(yī )个(gè )比如(rú )是(shì )检索quot
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