网址必须既有一定的长度（关键词有助于搜索引擎排序），又必须精简（短小精悍让人过目难忘，并且适合在Twitter使用）。

Web page addresses have to be both lengthy (key words help search-engine rankings) and terse (to be snappy and memorable, and to fit on Twitter).

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这样做的影响是，所有的站外链接“果汁”将通过此方法完成新旧URLs的过渡，使它具有更好的机会取代旧的网址，在搜索引擎结果中更干净。

The impact of this is that all of the inbound link “juice” will be passed from the old URL to the new one, giving it a better chance at replacing the old URL in the SERPs more cleanly.

youdao

他们常常没有考虑改变网址语法(例如webpage . htm变成webpage . php或者webpage . aspx)会让搜索引擎混乱。

What they often FAIL to consider is how changing URL syntax (ex: webpage.htm to webpage.php or webpage.aspx) will confuse search engines.

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