·1二级(jí )目(mù )录泛(fàn )站主(zhǔ )页(yè )连接 黑帽SEO技术(shù )站(zhàn )群之间做(zuò )连接,底(dǐ )子(zǐ )都(dōu )是(shì )单向连(lián )接,具体单向(xiàng )连接是(shì )不是查找(zhǎo )引擎会当(dāng )作采(cǎi )购的连接而(ér )赏罚尚(shàng )不可知,不(bú )过依据查(chá )找引擎(qíng )的一(yī )些体现,好像对单向(xiàng )连接有必(bì )定的办法很明显的一个比(bǐ )如是(shì )检(jiǎn )索quot
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