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When I fetch new scrape information on the Facebook Open Graph Debugger at developers.facebook.com/tools/debug/og/object/ there are errors in the results that indicate Facebook is having trouble connecting to your page.

One tip that has worked in the past when this error occurs - could you check in your Global Configuration > Server section and verify that GZip Page Compression is set to No? If it is Yes, can you try setting to No and re-fetch your scrape info at the link above. Otherwise, you may have to investigate other configuration, server, or firewall settings for your site.

I hope this helps explain the issue.

-Melissa

There are plenty of ways to keep GZip compression, but you can't use the GZip option that's in Joomla. We're still unsure why Facebook can't read pages when GZip compression is enabled in Joomla, but it can't, so that's not something you can use.

GZip compression can be enabled in Apache directly, which has the additional benefits that it will compress all assets on the page (Javascript, CSS and Image files), and it's at the server level, which makes it much faster.

The GZip option in Joomla *only* compresses the output HTML, which is generally not the biggest hog of resources on your page load time anyways.

I'd recommend contacting your hosting provider to ask them to enable GZip compression for your server/site within Apache and see if that improves load times and it should definitely work with Facebook.

-Melissa