I talked about valid feeds all this week.  But, why does having a feed that ‘validates’ really matter?
Subscription DeliveryAlthough most feed readers and aggregators can handle a slightly ‘off’ feed, some readers are still very particular about feed subscriptions.  You don’t want anything to interfere with the delivery of your subscriptions. 
Initial SubscriptionOften, the major [...]

On Monday I drew your attention to the RSS feed validator.  The OPML validator is another tool you’ll need if you do any OPML feed creation.
Using either validator is quite easy.  You simply input the url of your OPML feed and the feed validator will tell you where your errors are.  Of course, it’s still [...]

Unless you are using a professional blog platform, you will have RSS feed issues from time to time.  It’s important to assess the health of your feed often.
Schedule time, every month, to validate your feed.  It’s important because you don’t want any minor glitch interfering with your subscribers’ ability to get updates to your feed, [...]

FEED ValidatorThe Feed validator support proposal passes the RSS Advisory Board unanimously.
Of course, that was to be expected. The validator is extremely useful in that error discovery is clear, eliminating your feed failing and your not knowing why or how to fix it.
You can submit validation requests on the RSS Advisory [...]

Sam Ruby’s FeedValidator now includes OPML (Outline Processor Markup Language) validation.  The controversy seems to surround the spec.
The Really Simple Validator validates against the spec, as written. The other two validators validate part against the spec, part against Dave’s guidelines and part against something unknown to me. The concern? The guidelines seem to introduce new [...]