This part of your wordpress .htaccess is chache your content (that's way you have to refresh the page to see the new content) :
[code]
# BEGIN wtwp_cache
<IfModule mod_mime.c>
# Text
AddType text/css .css
AddType application/x-javascript .js
AddTyp...
[code]
# BEGIN wtwp_cache
<IfModule mod_mime.c>
# Text
AddType text/css .css
AddType application/x-javascript .js
AddTyp...