·1二级目录泛(fàn )站主(zhǔ )页(yè )连接 黑帽SEO技术站群之间(jiān )做连接,底子都(dōu )是单(dān )向(xiàng )连(lián )接(jiē ),具体单(dān )向连接是(shì )不是(shì )查找引擎(qíng )会当作采购的连接而赏罚尚不可知(zhī ),不(bú )过依据查找引(yǐn )擎的一(yī )些体现,好(hǎo )像对(duì )单(dān )向连(lián )接有必(bì )定的(de )办法很(hěn )明(míng )显的一(yī )个比如是(shì )检(jiǎn )索(suǒ )quot
Copyright © 2008-2018