For most people, boredom is quite simply torture – and nothing kills enthusiasm like seeing the same things over and over again.

And the same is true of a website, because once we’ve visited somewhere on the web, there needs to be a good reason to return.

But the attention span of the average human isn’t the only reason for regular content updates.

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When a search engine creates a list of links for a given enquiry, it takes a good many factors into account when deciding which sites are the most relevant.

One of the important elements in how page rankings are determined is exactly how new the content on the linked page (or pages) is.

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