Quanzhou SEO, Xiamen SEO, Guangzhou SEO, Quanzhou website optimization, Xiamen website optimization, Shishi SEO, Jinjiang SEO - Xin Lelin SEO Blog focuses on SEO optimization and SEM marketing. Cai Chunlin's blog shares original works and classic quotes. High-quality category directory backlinks are considered valuable external links, having a certain SEO effect and can bring some traffic. There are numerous category directory resources available online, which those doing SEO optimization know and have looked for. The process is cumbersome, requiring testing to see if the site can be submitted, with some needing approval, like Uniqlo’s Taobao flagship store. Some do not allow homepage links, making it impossible to pass through the category directories, and one must also consider the weight of the directory site itself. Therefore, it does take some time. All the following directories are PR4 or above; after submission, they will all be indexed, with varying review times. Long-term updates ongoing... Personal collections of some network bookmarks (collect if you think they're good) 1. Collect at Baohe Network, add right-click collection. http://www.baohe.com/?c=article-indexa=articlelist 2. Baidu Collections http://cang.baidu.com/ ... Related thematic articles: http://bbs.lady.163.com/bbs/ladyguanshui/242868543.html http://cyworld.ifensi.com/ps2/diary/diary_view.php?mh_id=2011962793&diary_date=20120218&postid=384103 http://bbs.news.163.com/bbs/shui/242868062.html