Why is it bad to use the GUID?

In a nutshell – GUID is not supposed to hold meaningful data and the fact that at this moment the data in it happens to be meaningful is coincidental. WordPress does no verification whatsoever that GUIDs mean anything. They are not guaranteed to stay immutable if you rely on that and they are not changed … Read more

One reason for changing the GUID

There’s a filter for that. I use: function ts_feed_spruce_get_the_guid($content) { // double ? is ok as guid is not a url // ‘&’ gets esc_url’ed and doesn’t work anyway $content .= ‘?d=’ . get_the_modified_time(‘YmdHisT’); return $content; } add_filter(‘get_the_guid’, ‘ts_feed_spruce_get_the_guid’, 7); Drop it in your theme functions.php or a plugin.

Duplicate Posts using Feedwordpress

The FeedWordPress Duplicate Post Filter add-on might take care of this faster than trying to hunt down the root cause. It’ll probably turn out to be a problem in the feed itself, which you wouldn’t likely have any control over. Despite the formats being fairly simple and well-documented, many sites/applications just can’t seem to produce … Read more

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