Update about.html

Author: Gmac4247

about.html

@@ -11,6 +11,8 @@
 <link rel="icon" type="image/x-icon" href="favicon.ico">
 <link rel="mask-icon" href="safari-pinned-tab.svg" color="#000000">
 <link href="https://fonts.googleapis.com/css2?family=OpenDyslexic&display=swap" rel="stylesheet">
+<link rel="canonical" href="https://basic-geometry.pages.dev/about">
+<meta name="robots" content="noindex">
 <meta name="viewport" content="width=device-width, initial-scale=1.0">
 <meta name="description" content="The story behind the best-established and most accurate framework to calculate area and volume">
 <meta name="author" content="Gaál Sándor">
@@ -22,8 +24,7 @@
 <meta name="twitter:image" content="android-chrome-256x256.png">
 <meta name="msapplication-TileColor" content="#000000">
 <meta name="theme-color" content="#000000">
-<meta name="msvalidate.01" content="EA6B8354B9F3C956E862954E97EB8CD0">
-	<style>
+<style>
 
         * {
             margin: 0;