@bandit1730 we solved it already. In our case there was a lot of problems with …
WP SUPERCACHE plugin and modified htacess file. Uninstalled plugin and corrected htacess file a bit. It looks like cloudflare magic works well after few hours.
I am determined to try another wp cache plugin (w3 cache), as it is one of my fav WP plugins but authors of our template recommended wp super cache, so I wasted almost one week to tweak it and finally decided to get rid of it with luck ??