Support Center

Browser Caches and FeedBlitz

Last Updated: Apr 16, 2014 12:03PM EDT
Let's talk about what caching is, how it affects your site, and what you can do to make sure your feed updates correctly. 

Browser Caching

The browser (IE, Chrome, Mozilla, etc.) has a folder that saves things such as images and icons from websites to keep the browser from constantly having to re-download the same items again. This decreases load time creating a more pleasant browsing experience.

It is not recommended to clear the cache every time the browser is closed, but site owners, bloggers, and content creators may find clearing the cache beneficial. If a new post has been added to the site and the FeedBlitz RSS feed does not show an update, it may be due to browser caching simply not displaying the updated feed.

Site Caching 

To save on bandwidth many websites utilize caching. This decreases the number of calls on the publisher's server by rendering a snapshot of the website. Generally, this improves the end user experience, but it can cause issues if the feed is cached. 
A cached feed can tell FeedBlitz that no new content exists, even if a new post has been published. With apparently  no new content to deliver, a scheduled mailing may not go out. When the post finally shows up in the cached feed, it may be too old to be included as a "new" post since the timestamp says it should have been included in the previous mailing. 

How to Disable Caching in W3TC

How can I fix this?
What site publishers could do instead of disabling caching completely is to disable feed caching OR purge / empty the cache when new posts are published. This will allow the FeedBlitz RSS feed to update in a timelier manner and will alleviate any missed mailing issues.
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