Chapter 7. Web Feeds
In this chapter, you will be introduced to the concepts of web feeds, with a particular focus on the Atom web feed syndication format. A web feed, also known as a news feed, is a digital document that typically includes media such as web-page content (HTML) or links to other websites, enabling users to stay updated with new content without constantly checking websites. Web feeds are used for asynchronous information broadcasting. They are utilized in scenarios that require regular information updates, such as news, blog posts, podcasts, or videos.
We’ll start this chapter by discussing the evolution of web feeds and why they are important in the context of APIs. You’ll be provided with examples of web feeds and instructions on how to implement web feeds following the Atom specification. This chapter also describes common security risks for web feeds and exposes their advantages and disadvantages. To solidify your understanding of the subject, you’ll be given a set of exercises that require you to read various web feeds.
Although web feeds flourished in 2000, nowadays this technology is used sparsely, and its users are news media, technology companies, bloggers, or scientists. Web feeds are also useful as an educational exercise due to their historical importance and the use of XML, but they have lost popularity since the content was moved to login-protected social platforms such as Meta or X. Nevertheless, we decided to credit web feeds and write a chapter ...
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