Worse yet, some videos may be tagged incorrectly -- sometimes intentionally, a practice known in the industry as "tag spam."

更糟的是，有些视频被添加了错误的标签，有时是人们故意为之；业界通常称这种做法为“垃圾标签”。

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Keyword stuffing in the Title Tag is looked at as search engine spam (not good). But it might be smart to repeat the same word in different ways.

在标题标签里用关键词堆砌会被搜索引擎看成垃圾(不是好事)。

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