Bloggers frequently link to each other and then check their trackbacks and pingbacks for incoming references.
博客作者通常相互关联，然后通过trackbacks和pingbacks检查来访数据。
Other forms of blog-related spam that are on the rise are auto-blog pingbacks from people using auto-blogging plugins ( mostly for WordPress sites), as well as hijacked blogs and wikis.
另外通过自动博客插件（大多为WordPress）、被挟持博客和维基网站发出的自动博客pingbacks也在日益增加。
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