1. Have you tried enabling caching on the server? The free plugin WP Super Cache from Automattic works well with our theme. You may also disable all plugins once and see if things are any better. You can then enable one at a time until you zero in on the plugin causing this issue.
2. You can change the featured campaign in Themeoptions > Header tab – Featured Campaign .
3. You can add an image logo in themeoptions > Sitelogo tab , you can create an image logo that having your logo+sitename and then upload the same .
4. Pls change template to fullwidth .