Atom Validation Errors at w3.org

Q

How to read Atom validation errors at w3.org?

✍: FYIcenter.com

A

If your Atom feed has errors, the Atom validator at w3.org will detect the errors and provide information to help you to resolve them as shown in this tutorial:

1. Go to Feed Validation Service at w3.org.

2. Click the "Validate by Direct Input" tab. You see a bigger input box for you to enter the Atom XML directly.

3. Enter the following invalid Atom XML:

<feed xmlns="http://www.w3.org/2005/Atom">
   	<title>World News</title>
   	<subtitle>This is an example of an RSS feed.</subtitle>
   	<updated>2029-07-31 12:29:29</updated>
   	<link rel="self" href="http://www.world-news.com/"/>
   	<id>http://www.world-news.com/</id>
   	<editor>
   	    <name>John Doe</name>
   	</editor>
   	<entry>
   	    <title>Breaking News!</title>
   	    <link rel="alternate" href="http://www.world-news.com/news/53f933c5395f"/>
   	    <id>http://www.world-news.com/news/53f933c5395f</id>
   	    <updated>2029-09-15T00:00:00Z</updated>
   	    <summary>Here is a breaking news that is still on going...</summary>
   	</entry> 
</feed>

3. Click the "Check" button. You see the validation errors:

Sorry - This feed does not validate.

line 4, column 29: updated must be an RFC-3339 date-time: 2029-07-31 12:29:29 [help]
	<updated>2029-07-31 12:29:29</updated>
                             ^
line 7, column 1: Undefined feed element: editor [help]
	<editor>
 ^
line 16, column 1: Missing entry element: author [help]
	</entry> 
 ^
In addition, interoperability with the widest range of feed readers could be improved by implementing the following recommendations.
line 5, column 53: Self reference doesn't match document location [help]
	<link rel="self" href="http://www.world-news.com/"/>
                                                     ^
line 14, column 31: Implausible date: 2029-09-15T00:00:00Z [help]
		<updated>2029-09-15T00:00:00Z</updated>

Click on "[help]" for more information on each error. Then go back to fix them.

The picture below shows you Atom validation errors at w3.org:
Atom Validator Errors at w3.org

 

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2017-09-24, 105👍, 0💬