1 二(èr )级目录泛站(zhàn )主(zhǔ )页连接(jiē ) 黑帽SEO技术站群(qún )之间做连接,底子都(dōu )是单(dān )向连(lián )接,具(jù )体单向连(lián )接是不(bú )是查找引擎(qíng )会当(dāng )作(zuò )采购的连接(jiē )而赏(shǎng )罚尚不(bú )可知,不过依(yī )据查(chá )找引擎的一些(xiē )体现,好(hǎo )像(xiàng )对单向连接(jiē )有(yǒu )必(bì )定(dìng )的办法(fǎ )很明显的一个(gè )比如是检(jiǎn )索quot
Copyright © 2008-2018