title: Facebook og:url meta tag stripping query parameters
body: <p>I have an open graph meta tag on a static page that contains a query string, and each time I run it through Facebook's url linter, the query value is stripped out.</p>
  
  <p>For example:</p>
  
  <pre><code>http://www.site.com/?ref=23a3as3hth456
  </code></pre>
  
  <p>would return</p>
  
  <pre><code>http://www.site.com/?ref
  </code></pre>
  
  <p>Curiously enough, it appears that if the value doesn't contain any numbers, but is a pure string, it will register.  For example:</p>
  
  <pre><code>http://www.site.com/?ref=23a3as3hth456&amp;sample=testing
  </code></pre>
  
  <p>would return</p>
  
  <pre><code>http://www.site.com/?ref&amp;sample=testing
  </code></pre>
  
  <p>Furthermore, the actual page URL contains query string that includes the same values, and when the Linter falls back to the default page URL, those values are preserved.</p>
  
  <p>Does anyone have any further information on this?  I am encoding the entire URL string with urlencode(), but am still running into this problem.  Are there any workarounds at all, or am I missing something?</p>
  
  <p>Thanks! </p>