no URL on tags

edit.php

@@ -21,11 +21,11 @@
 
 <?php
     if (!empty($_GET['log'])) {
-        echo '        <meta property="og:url" content="https://thebookofshaders.com/edit.php?log='. $_GET['log'].'"/>
+        echo '
         <meta property="og:image" content="http://thebookofshaders.com/log/'.$_GET['log'].'.png"/>
         <meta property="og:image:secure_url" content="https://thebookofshaders.com/log/'.$_GET['log'].'.png"/>';
     } else {
-        echo '        <meta property="og:url" content="https://thebookofshaders.com/edit.php"/>
+        echo '
         <meta property="og:image" content="https://thebookofshaders.com/thumb.png"/>';
     }
 
@@ -44,11 +44,9 @@
 <?php
     if (!empty($_GET['log'])) {
         echo '
-        <meta name="twitter:url" content="https://thebookofshaders.com/edit.php?log='. $_GET['log'].'"/>
         <meta name="twitter:image" content="https://thebookofshaders.com/log/'.$_GET['log'].'.png"/>';
     } else {
         echo '
-        <meta name="twitter:url" content="https://thebookofshaders.com/edit.php"/>
         <meta name="twitter:image" content="https://thebookofshaders.com/thumb.png"/>';
     }
 

header.php

@@ -16,8 +16,8 @@
         <meta property="og:title" content="The Book of Shaders"/>
         <meta property="og:site_name" content="The Book of Shaders"/>
         <meta property="og:description" content="Gentle step-by-step guide through the abstract and complex universe of Fragment Shaders."/>
-        <meta property="og:url" content="http://thebookofshaders.com"/>
         <meta property="og:image" content="http://thebookofshaders.com/thumb.png"/>
+        <meta property="og:image:secure_url" content="https://thebookofshaders.com/thumb.png"/>
         <meta property="og:image:type" content="image/png"/>
         <meta property="og:image:width" content="500" />
         <meta property="og:image:height" content="500" />
@@ -25,13 +25,12 @@
 
         <!— Twitter Card—>
         <meta name="twitter:card" content="image">
-        <!-- <meta name="twitter:card" content="summary"> -->
         <meta name="twitter:site" content="@bookofshaders">
         <meta name="twitter:creator" content="@patriciogv">
         <meta name="twitter:title" content="The Book Of Shaders">
         <meta name="twitter:domain" content="thebookofshaders.com">
         <meta name="twitter:description" content="Gentle step-by-step guide through the abstract and complex universe of Fragment Shaders.">
-        <meta name="twitter:image" content="http://thebookofshaders.com/thumb.png">
+        <meta name="twitter:image" content="https://thebookofshaders.com/thumb.png">
         <meta name="twitter:image:width" content="500">
         <meta name="twitter:image:height" content="500">