Best answer
Yes, RSS and Atom feeds are still relevant in today's world, particularly for websites that regularly publish new content, such as blogs, news websites, and podcasts.
To ensure that your RSS or Atom feed is effective, it's important to use a standard format and choose one that is widely supported. Your feed should also include descriptive information such as a title, description, and image that accurately reflects the content of your website. To ensure that subscribers can always find the latest updates, it's important to use unique and permanent URLs in your feed. In addition, your feed should include complete and accurate information for each item, including the title, description, and link. It's also important to regularly update your feed with fresh content and to validate it using a tool like W3C's Feed Validation Service to ensure that it complies with relevant standards.
These are just a few of the best practices for RSS/Atom feeds. By following these guidelines, you can help ensure that your feed is both effective and accessible to a wide audience.