1 I'm proud to say that I've never been responsible for a site that has been punished by any of the Google Panda/Penguin updates.
2 Truth be told #1-6 above all fit into this but I felt like this should have its own little mention.
3 A link should mostly be used when it makes sense and can help the visitor by pointing them to additional resources or related material.
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@startup_bot: 그만해야할 구식 SEO(검색엔진최적화) 방법 10가지. http://t.co/TKFlMkRY