hugo/docs/content/taxonomies/usage.md

title	linktitle	date	weight	menu	prev	next
Using Taxonomies	Usage	2014-05-26	15	main parent taxonomy	/taxonomies/overview	/taxonomies/displaying

Defining taxonomies for a site

Taxonomies must be defined in the site configuration, before they can be used throughout the site. You need to provide both the plural and singular labels for each taxonomy.

Here is an example configuration in YAML that specifies two taxonomies.

Notice the format is singular key : plural value.

config.yaml

---
taxonomies:
    tag: "tags"
    category: "categories"
    series: "series"
---

Assigning taxonomy values to content

Once an taxonomy is defined at the site level, any piece of content can be assigned to it regardless of content type or section.

Assigning content to an taxonomy is done in the front matter. Simply create a variable with the plural name of the taxonomy and assign all terms you want to apply to this content.

taxonomy values are case insensitive

Front Matter Example (in JSON)

{
    "title": "Hugo: A fast and flexible static site generator",
    "tags": [
        "Development",
        "Go",
        "fast",
        "Blogging"
    ],
    "categories" : [
        "Development"
    ],
    "series" : [
        "Go Web Dev"
    ],
    "slug": "hugo",
    "project_url": "http://github.com/spf13/hugo"
}