·1二级目录泛站主页连接(jiē ) 黑(hēi )帽(mào )SEO技术(shù )站群之间做(zuò )连接,底子都(dōu )是(shì )单(dān )向连(lián )接,具体单(dān )向连接是(shì )不是(shì )查(chá )找引(yǐn )擎(qíng )会(huì )当(dāng )作采购的连接(jiē )而赏(shǎng )罚尚不可知(zhī ),不过依据查找引擎(qíng )的一些体现(xiàn ),好像(xiàng )对(duì )单向连接(jiē )有(yǒu )必定(dìng )的办法很明显的(de )一个比如是(shì )检索quot
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