一个已有较好名次的网站，如果进行了大规模的改版，即整个结构发生变化，将有可能对搜索引擎排名造成影响。
Categories&About Me
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Archives
- 2010 August (3)
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- 2010 April (1)
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- 2009 August (3)
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- 2009 April (1)
- 2009 March (4)
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- 2007 September (5)
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- 2007 April (1)
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Statistics
- 文章总数:211
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