Resource (Web Page) - Type (Structured Data | Metadata )
Table of Contents
1 - About
The data structure of a resource such as a web page, or email, … is created by adding metadata to it.
They are used intensively by search engine in order to create rich result and may improved your Seo
The markup does not change the formatting of your website, it just makes the metadata and text enclosed within the XHTML tags more meaningful to computers.
This metadata applied on multiple web page transforms the web as a graph.
2 - Articles Related
3 - Example
On a recipe page, you could define:
- the ingredients,
- the cooking time and temperature,
- the calories,
- and so on.
4 - Format
Structured data formats are rules that standardize the structure and content of the webpage in order to improve the meaning or semantics.
They are markup that you add to a web page
- HTML element
- <meta> tags: standard HTML tags
- link tag for relation between document and the canonical url
- PageMaps: invisible blocks of XML that add metadata to pages.
- Microformats: tags used to mark up visible page content along predefined types.
- RDFa: an alternate standard for marking up visible page content along arbitrary types.
- Microdata: a new HTML5 standard for marking up visible page content.
- Page Date: features on a page indicating its date
See also The web almanach
5 - Protocol / Vocabulary
- Schema.org - Google
- Open Graph (Tag|Protocol) - Ogp - Facebook
- Web Page Metadata - Dublin Core Syntax
6 - Social Media
Social media uses metadata also to style the card that are used to embed link to a website.
Example: