·1二级目录泛(fàn )站主(zhǔ )页连(lián )接 黑(hēi )帽SEO技术站群(qún )之(zhī )间做连(lián )接,底子都(dōu )是单向连接,具体单向连接是不(bú )是查(chá )找引擎会当作采购(gòu )的连(lián )接而赏(shǎng )罚尚(shàng )不(bú )可知(zhī ),不(bú )过依据查找(zhǎo )引擎(qíng )的一些体现(xiàn ),好像对(duì )单向连接(jiē )有必定的办法很(hěn )明显(xiǎn )的一(yī )个比(bǐ )如是检索quot
Copyright © 2008-2018