Ever got this message before and wondered WTF is going on? I did. Was working on a site on specified development URL only my client had access to. Implemented RSSfeeds for all the blog categories with the following in WordPress: Once approved, I copied it over to their live site. Only to be met with the following when testing: XML Parsing Error: XML or text declaration not at start of entity What’s the problem? Turns out it’s ... Read On →