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Re: 'Age' for webpages

From: Aryeh Gregor <Simetrical+w3c@gmail.com>
Date: Fri, 4 Jun 2010 17:05:03 -0400
Message-ID: <AANLkTinc3h1yO_oSSyaF7ZcSLoCOUZZq5rhTvKr8m9M0@mail.gmail.com>
To: Merin Tresa Willy <merintwilly@gmail.com>
Cc: www-html@w3.org
On Fri, Jun 4, 2010 at 4:03 AM, Merin Tresa Willy <merintwilly@gmail.com> wrote:
> Is a third dimension - 'age' necessary for webpages? Will its inclusion help
> search engines and the like, to retrieve pages containing up-to-date data?

The HTTP Last-Modified header can be used for this.  So can <time pubdate>:

Received on Friday, 4 June 2010 21:05:36 GMT

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