Website coding issue?

Hi all,

Firstly, my apologies if this is in the wrong forum, as I'm actually uncertain if the issue I am having with my website (Console Obsession) is related to PHP at all. I'm not actually a coder myself, so know very little about this stuff, so would appreciate any help.

Anyway, to cut to the chase, my site has been behaving rather oddly over the past few days. Basically, when browsing it code comes up at times as opposed to the page I requested. There's no particular pages that I can pinpoint, as it just seems to happen randomly. I have just got the following code by clicking on one of the pages for example:

<?xml version="1.0" encoding="UTF-8"?><rss version="2.0"
xmlns:content="http://purl.org/rss/1.0/modules/content/"
xmlns:dc="http://purl.org/dc/elements/1.1/"
xmlns:atom="http://www.w3.org/2005/Atom"
xmlns:sy="http://purl.org/rss/1.0/modules/syndication/"

>
<channel>
<title>Comments on: News – Official Sonic online store launched</title>
<atom:link href="http://www.consoleob.com/news/news-official-sonic-online-store-launched/feed/" rel="self" type="application/rss+xml" />
<link>http://www.consoleob.com/news/news-official-sonic-online-store-launched/</link>
<description>My Wordpress Blog</description>
<lastBuildDate>Sun, 27 Aug 2017 18:42:00 +0000</lastBuildDate>
<sy:updatePeriod>hourly</sy:updatePeriod>
<sy:updateFrequency>1</sy:updateFrequency>

</channel>
</rss>

I would greatly appreciate any help on this matter, as I really have no idea what could be causing it. Thank you.