gzip on; gzip_min_length 1k; gzip_buffers 4 16k; gzip_comp_level 2; gzip_types text/plain application/x-javascript text/css application/xml text/javascript application/x-httpd-php image/jpeg image/gif image/png; gzip_vary off; gzip_disable "MSIE [1-6].";
chunked_transfer_encoding on;