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About Bridgetown SEO Tag

A Bridgetown plugin to add metadata tags for search engines and social networks to better index and display your site's content.

Gem Version

Installation

Run this command to add this plugin to your site's Gemfile:

$ bundle add bridgetown-seo-tag -g bridgetown_plugins

Or simply add this line to your Gemfile:

gem 'bridgetown-seo-tag', group: "bridgetown_plugins"

And then add the Liquid tag to your HTML head:

{% seo %}

Or if you wish to control your HTML <title> tag yourself:

{% seo title=false %}

You can use the seo helper in Ruby templates as well:

<%= seo %>
<!-- or -->
<%= seo title: false %>

Summary

Bridgetown SEO Tag adds the following meta tags to your site:

  • Page title, with site title or description appended (optional)
  • Page description
  • Canonical URL
  • Next and previous URLs on paginated pages
  • Open Graph title, description, site title, and URL (for Facebook, LinkedIn, etc.)
  • Twitter Summary Card metadata

While you could theoretically add the necessary metadata tags yourself, Bridgetown SEO Tag provides a battle-tested template of crowdsourced best-practices.

NOTE: make sure you add your site-wide SEO Tag metadata to src/_data/site_metadata.yml, not bridgetown.config.yml

Usage

The SEO tag will use the following configuration options from bridgetown.config.yml:

  • url - The full URL to your site.
  • lang - The locale for the site, or the current document if specified in the document's front matter. Format language_TERRITORY — default is en_US.

The SEO tag will respect any of the following if included in your site's site_metadata.yml (and simply not include them if they're not defined):

  • title - Your website's title (e.g., Super-cool Website).

  • tagline - A short description (e.g., A blog dedicated to reviewing cat gifs), used in instances (like a home page) where there isn't a dedicated document title.

  • description - A longer description used for the description meta tag. Also used as fallback for documents that don't provide their own description and as part of the home page title tag if tagline is not defined.

  • author - global author information (see Advanced usage)

  • twitter - You can add a single Twitter handle to be used in Twitter card tags, like "bridgetownrb". Or you use a YAML mapping with additional details:

    • twitter:card - The site's default card type
    • twitter:username - The site's Twitter handle

    Example:

    twitter:
      username: benbalter
      card: summary
  • facebook - The following properties are available:

    • facebook:app_id - a Facebook app ID for Facebook insights
    • facebook:publisher - a Facebook page URL or ID of the publishing entity
    • facebook:admins - a Facebook user ID for domain insights linked to a personal account

    You'll want to describe one or more like so:

    facebook:
      app_id: 1234
      publisher: 1234
      admins: 1234
  • google_site_verification for verifying ownership for Google Search Console

  • Alternatively, verify ownership with several services at once using the following format:

webmaster_verifications:
  google: 1234
  bing: 1234
  alexa: 1234
  yandex: 1234
  baidu: 1234

The SEO tag will respect the following YAML front matter if included in a post, page, or document:

  • title - The title of the document
  • description - A short description of the document's content
  • image - URL to an image associated with the document (e.g., /assets/page-pic.jpg)
  • author - Document-specific author information (see Advanced usage)
  • lang - Document-specific language information

Note: Front matter defaults can be used for any of the above values.

Setting a default image

You can define a default image using Front Matter defaults to provide a default Twitter Card or Open Graph image to all of your documents.

Here is a very basic example, that you are encouraged to adapt to your needs:

defaults:
  - scope:
      path: ""
    values:
      image: /assets/images/default-card.png

More advanced usage information is on the Wiki here.

Testing

  • Run bundle exec rspec to run the test suite
  • Or run script/cibuild to validate with Rubocop and test with rspec together

Contributing

  1. Fork it (https://github.com/bridgetownrb/bridgetown-seo-tag/fork)
  2. Create your feature branch (git checkout -b my-new-feature)
  3. Commit your changes (git commit -am 'Add some feature')
  4. Push to the branch (git push origin my-new-feature)
  5. Create a new Pull Request

About

A Bridgetown plugin to add metadata tags for search engines and social networks to better index and display your site's content.

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