Quick question, I've noticed my AdSense seem to disappear from my some pages,  after a quick investigation ive notice that the script that is pasted in seems to change. is this why the advert no longer shows? i am thinking this is why. code i paste in source:- <script async src="//pagead2.googlesyndication.com/pagead/js/adsbygoogle.js"></script> <!-- footer advert --> <ins class="adsbygoogle"      style="display:block"      data-ad-client="ca-pub-xxxxx