An Eleventy shortcode that generates document metadata for the <head> of a webpage supporting: Open Graph, Twitter card, generic meta tags, CSS, JS, canonical link, and custom tags. Metadata generated by meta-generator. Check out metagen docs for more details on plugin usage.
Install the plugin from npm:
npm install eleventy-plugin-metagen
Add it to your Eleventy Config file:
const metagen = require('eleventy-plugin-metagen');
module.exports = (eleventyConfig) => {
eleventyConfig.addPlugin(metagen);
};The plugin turns 11ty shortcodes in a Nunjucks template:
{% metagen
title='Eleventy Plugin Meta Generator',
desc='An eleventy shortcode for generating meta tags.',
url='https://tannerdolby.com',
img='https://tannerdolby.com/images/arch-spiral-large.jpg',
img_alt='Archimedean Spiral',
twitter_card_type='summary_large_image',
twitter_handle='tannerdolby',
name='Tanner Dolby',
generator='eleventy',
comments=true,
css=['style.css', 'design.css'],
js=['foo.js', 'bar.js:async'],
inline_css='h1 { color: #f06; }',
inline_js='console.log("hello, world.");'
%}into <meta> tags and other document metadata:
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Eleventy Plugin Meta Generator</title>
<meta name="author" content="Tanner Dolby">
<meta name="description" content="An eleventy shortcode for generating meta tags.">
<meta name="generator" content="eleventy">
<!-- Open Graph -->
<meta property="og:type" content="website">
<meta property="og:url" content="https://tannerdolby.com">
<meta property="og:locale" content="en_US">
<meta property="og:title" content="Eleventy Plugin Meta Generator">
<meta property="og:description" content="An eleventy shortcode for generating meta tags.">
<meta property="og:image" content="https://tannerdolby.com/images/arch-spiral-large.jpg">
<meta property="og:image:alt" content="Archimedean Spiral">
<!-- Twitter -->
<meta name="twitter:card" content="summary_large_image">
<meta name="twitter:site" content="@tannerdolby">
<meta name="twitter:creator" content="@tannerdolby">
<meta name="twitter:url" content="https://tannerdolby.com">
<meta name="twitter:title" content="Eleventy Plugin Meta Generator">
<meta name="twitter:description" content="An eleventy shortcode for generating meta tags.">
<meta name="twitter:image" content="https://tannerdolby.com/images/arch-spiral-large.jpg">
<meta name="twitter:image:alt" content="Archimedean Spiral">
<link rel="canonical" href="https://tannerdolby.com">
<link rel="stylesheet" href="style.css">
<link rel="stylesheet" href="design.css">
<style>h1 { color: #f06; }</style>
<script src="foo.js"></script>
<script src="bar.js" async></script>
<script>console.log("hello, world.");</script>To make your metadata dynamic, you can use template data as arguments to the shortcode without quotes or braces in a Nunjucks template.
---
title: Some title
desc: Some description
metadata:
title: Some other title
desc: Some other description
url: https://tannerdolby.com
image: https://tannerdolby.com/images/arch-spiral-large.jpg
alt: Archimedean spiral
type: summary_large_image
twitter: tannerdolby
name: Tanner Dolby
---
{% metagen
title=title or metadata.title,
desc=desc or metadata.desc,
url=url + page.url,
img=image,
img_alt=alt,
twitter_card_type=type,
twitter_handle=twitter,
name=name
%}Shorthand syntax:
---
metadata:
title: foo bar
desc: some desc
---
{% metagen metadata %}