XML — RSS

What is RSS?

RSS (Really Simple Syndication) is an XML-based format for sharing content.

RSS Feed Structure

<?xml version="1.0" encoding="UTF-8"?>
<rss version="2.0">
    <channel>
        <title>My Blog</title>
        <link>https://example.com</link>
        <description>A blog about technology</description>
        <item>
            <title>First Post</title>
            <link>https://example.com/post1</link>
            <description>This is my first post</description>
            <pubDate>Mon, 01 Jan 2025 12:00:00 GMT</pubDate>
        </item>
        <item>
            <title>Second Post</title>
            <link>https://example.com/post2</link>
            <description>This is my second post</description>
            <pubDate>Tue, 02 Jan 2025 12:00:00 GMT</pubDate>
        </item>
    </channel>
</rss>

RSS Elements

Element	Description
channel	Feed container
title	Feed/channel title
link	URL to website
description	Feed description
item	Individual entry
pubDate	Publication date

Parsing RSS

fetch("feed.xml")
    .then(res => res.text())
    .then(str => new DOMParser().parseFromString(str, "text/xml"))
    .then(xml => {
        xml.querySelectorAll("item").forEach(item => {
            console.log(item.querySelector("title").textContent);
        });
    });

Atom vs RSS

Feature	RSS	Atom
Version	2.0	1.0
Namespace	No	Yes
Content	Description only	Full content
Feed ID	No	Required

Mini Practice

1. Create an RSS feed
2. Add multiple items
3. Parse an RSS feed
4. Display feed content in HTML

Up Next

Continue with SOAP — Simple Object Access Protocol.