[quote]But if you explain what is missing, I'm sure we will be happy to add 
it.[/quote]

I've created a new filter (OgTagsFilter extends 
OncePerRequestAbstractMgnlFilter) and placed it between the cache and 
virtualURI filters. This filter dynamically add few <meta> tags in the <head> 
part of the [b]already rendered[/b] page. My problem is, that when Facebook 
requests the page to look for the OG tags, it sends the "Range" request header, 
thus the Range filter is applied, and, for a reason unknown to me yet, my 
filter is not called in such case, so the OG tags are missing. (It costed me 
few hard hours, and applying of Apache's mod_log_forensic, to find out why FB 
"does not see" my tags.)

Well, the error can be also in my filter, so I've pasted the main part of the 
code to http://pastebin.com/P3BhY731 - feel free to point out my mistakes. The 
filter configuration in /server/filters contains only two bypasses (for 
/docroot and /.[anything]).


Best regards,

Jozef.

-- 
Context is everything: 
http://forum.magnolia-cms.com/forum/thread.html?threadId=ee53194f-8bfc-45bb-afaf-57e7a9fc34f2


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