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"Last-modified" Brainstorming


To specify the date when the logical content of a page was last modfied in a visible form which is also machine-readable.


Possible class names

General class name considerations

  • “last-modified”
    • + “paveing the cowpaths” (“Last-Modified” used by HTTP 1.0 and 1.1)
    • - HTTP’s “Last-Modified” Header has a slightly different meaning. (Last modification date of the resource, not the last modification date of the resource’s logical content)
  • “last-updated”
    • + New name for a “new” semantic.

Different class name for page specific and item specific dates?

For example “page-last-modified” is used to indicate the last modification date of a page and “last-modfied” for the last modfication date of a specific item*.

* This specific item is marked-up with a microformat, e.g: a microformat to describe blog posts may use “last-modified” to indicate when a blog post was last modified.

Possible date formats

Every date format which can be used with Datetime Design Pattern can be used with “last-modified”

Theoretical example

This page was last modified 13:26 UTC, 15 Aug 2005.

could be written as

This page was last modified 
<abbr class="some-class-name" title="2005-08-15T13:26Z">13:26 UTC, 15 Aug 2005</abbr>.