There's really nothing special about a blog post. They're just web pages that are published on a certain date.
Imagine for a moment that we're writing a blog post for a site in which we often discuss food and travel. We can easily convert our web page into a blog post:
Date: 6 October 2009 Categories: food, travel # Breakfast in Europe This is a page about breakfast. ...
The top two lines don't appear on the page, but they tell Nesta a bit about the page (in other words, they're "metadata").
Date: line is pretty straightforward; it defines the date that
your post was published. The date is displayed on the page. It is also
used when identifying the latest articles that should appear on your
site's home page, and choosing articles to include in your site's Atom
Categories: refers to other pages that collate information on topics
related to this post. In the example above we're referring to pages
link to this post will automatically be included on the food and travel
pages. Category pages are a great way to structure a web site; see the
credits page for background info on categories.
The metadata reference contains full details of
how to use the
Categories metadata. When writing posts of
more than a paragraph or two in length you should also try the