Google is claimed to take into account a website’s key subject when assessing backlinks. They used to point out this in How Research Is effective back again in 2021 (bolding mine): 掌上书苑的资源很全，不过分类做的不是很好，需要自己根据书名进行搜索，下载需要注册用户，还支持推送。 The above mentioned short article that we associated with (two hundred+ websites and weblogs which accept g... https://socialioapp.com/story4739486/a-simple-key-for-backlink-unveiled