RSS, a love letter and walkthrough for my Eleventy site

This post is part of a multi-part series on how I built my site using Eleventy. These are all the posts in the series. Check them out if that's your jam.

I love RSS (Really Simply Syndication). It's a pretty old specification in Internet years, first created in 1999. Even the newest release of the specification is 11 years old. At it's core, an RSS feed is a plain text XML file that is updated with new posts, pages, or whatever a web master wants to publish.

I love the open nature of the specification. If my personal site has an RSS feed, then you, as a person interested in what I have to say, can subscribe to my feed using an RSS reader. That's all you have to do. Then, the things I have to say come directly to your RSS feed. No company or algorithm inserting themselves between that interaction to serve ads or to rejigger your timeline.

I love RSS because it's not cool. All the cool kids are talking about React and serverless and serverless react cloud containers and etc. The topic of RSS seems to be an afterthought for many web masters. My personal antidote is about twenty-five percent of the personal sites I visit, do not even publish a feed at all. That makes me sad. Intrepid reader, lets us not make the same mistake. Let's configure RSS on our Eleventy site!

Install the plugin

I'm going to install eleventy-plugin-rss to get my main feed up and going.

Let's install the package in the directory.

npm install @11ty/eleventy-plugin-rss

Now let's configure the software by putting this into our configuration file.

// .eleventy.js

const pluginRss = require("@11ty/eleventy-plugin-rss");
module.exports = function(eleventyConfig) {

Configure the layout file

Ok, everything is hooked up; it's time to setup our nunjucks layout file. Below is the one I landed on.

"permalink": "/feed/feed.xml",
"eleventyExcludeFromCollections": true
<?xml version="1.0" encoding="utf-8"?>
<feed xmlns="">
<title>{{ metadata.title }}</title>
<subtitle>{{ metadata.desc }}</subtitle>
<link href="{{ metadata.feedUrl }}" rel="self"/>
<link href="{{ metadata.url }}"/>
<updated>{{ collections.posts | getNewestCollectionItemDate | dateToRfc3339 }}</updated>
<id>{{ metadata.url }}/</id>
<name>{{ }}</name>
<email>{{ }}</email>
{%- for post in collections.posts | reverse %}
{%- if loop.index0 "<" 10 -%}
{% set absolutePostUrl %}{{ post.url | url | absoluteUrl(metadata.url) }}{% endset %}
{%- set emailReplyHTML -%}<p>
<a href=" “{{ }}”">Reply via email</a></p>{%- endset -%}
{%- set finalHTMLContent = [post.templateContent, emailReplyHTML] | join -%}
<title>{{ }}</title>
<link href="{{ absolutePostUrl }}"/>
<updated>{{ | dateToRfc3339 }}</updated>
<id>{{ absolutePostUrl }}</id>
<content type="html">
{{ finalHTMLContent | htmlToAbsoluteUrls(absolutePostUrl) }}
{%- endif -%}
{%- endfor %}

Now when I build the site, our feed.xml file is generated. Yay!

Add the link tag to the markup

Finally, I added the feed URL to the head of base.njk. This allows people to put the top level URL into their RSS readers to find our feed. Sweet.

<!-- src/_includes/base.njk -->

<!-- RSS feeds -->
<link rel="alternate" href="" type="application/atom+xml"



There's a validator service for RSS. I like validators. Would recommend everyone validate! W3C Feed Validation Service.

Ok that's it for now. Thanks for reading this far!

Change Log

  • 2021-09-10 - Updated template to include Reply-to link in RSS feed and to limit the feed to last 10 items only.
This post is part of a multi-part series on how I built my site using Eleventy. These are all the posts in the series. Check them out if that's your jam.

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