IO Dashboard uses your RSS feed to collect data about the articles.
Make sure your RSS feed is set up to meet requirements of RSS 2.0 specification.
In addition to RSS 2.0 requirements you should stick to these rules:.

1. Configure each item, specifying all required elements:

<title>

The title of the article.
Title is used as a unique identification of the article.

Example:
<title>Venice Film Festival Tries to Quit Sinking</title>

<link>

The static URL of the article.
Link is used as a unique identification of the article.

Example:

<link>https://www.yоursitе.cоm/2018/05/19/еntеrtainmеnt/07FEST.html</link>

<pubDate>

Date of the article.
pubDate is used as a unique identification of the articles date of publication.
It should meet requirements of RFC 822.

Example:

<pubDate>Sun, 19 May 2018 15:21:36 GMT</pubDate>

<author>

Name of the author of the article.
Author is used as a unique identification of the articles author.

Example:

<author>Kevin Johnson</author>

<category>

Name of the sections of the article.
Category is used to categorize articles by the sections.

Example:

<category>entertainment</category>

2. Make sure that all the items on site and on RSS feed are the same, to prevent any data misinterpretations

3. Don’t change published items of articles in your RSS feed, to prevent any data misinterpretations

4. Make sure that all new publications are added to your RSS feed as a new ones

5. If you have articles related to more than one author, or category reach out your manager

6. You don't need an RSS feed if use our awesome new way of collecting data, which is described in the section 

“1. Add tracking code” of the documentation.

Here are some simple example of RSS 2.0 feed with one article:

<?xml version="1.0"?>
<rss version="2.0">
<channel>
<title>YourCompanyName</title>
<link>http://www.yoursite.com</link>
<description>Great articles about everything</description>
<item><title>Venice Film Festival Tries to Quit Sinking</title>
<link>http://www.yoursite.com/2018/05/19/grateful_dead/07FEST.html</link>
<pubDate>Sun, 19 May 2018 15:21:36 GMT</pubDate>
<author>Kevin Johnson</author><category>entertainment</category></item>
</channel></rss>

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