add google analytics and meta keywords

28raining · 28raining · commit 8b363adeabbb · 2023-02-19T21:46:23.000-08:00
diff --git a/circuitSolver/index.html b/circuitSolver/index.html
@@ -4,6 +4,11 @@
 <head>
   <meta charset="utf-8">
   <meta name="viewport" content="width=device-width, initial-scale=1">
+  <meta name="author" content="Will Kelsey">
+  <meta name="description" content="Free Online Circuit Solving Tool">
+  <meta name="keywords"
+    content="circuit,transfer,laplace,rlc,resistor,inductor,capacitor,solver,solve,free,online,opamp,op-amp,operational,amplifier,frequency,bilinear,transform">
+
   <title>Circuit Solver</title>
   <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.2.1/dist/css/bootstrap.min.css" rel="stylesheet"
     integrity="sha384-iYQeCzEYFbKjA/T2uDLTpkwGzCiq6soy8tYaI1GyVh/UjpbCx/TYkiZhlZB6+fzT" crossorigin="anonymous">
@@ -38,6 +43,16 @@
   <script type="module" src="./modules/main.js"></script>
 </head>
 
+<!-- Google tag (gtag.js) -->
+<script async src="https://www.googletagmanager.com/gtag/js?id=G-49JWX5SWFL"></script>
+<script>
+  window.dataLayer = window.dataLayer || [];
+  function gtag(){dataLayer.push(arguments);}
+  gtag('js', new Date());
+
+  gtag('config', 'G-49JWX5SWFL');
+</script>
+
 <body>
   <div id="app"></div>
 </body>
diff --git a/circuitSolver/modules/main.js b/circuitSolver/modules/main.js
@@ -697,6 +697,11 @@ class Game extends React.Component {
       <${navBar} title="ONLINE CIRCUIT SOLVER" key="navBar" onClickUndo=${(e) => this.handleUndo(e)}/>
       <div className="w-100 p-2 bg-green" key="wrapper">
         <div className="container-xl" key="topContainer">
+          <div className="row">
+            <div className="col">
+              <p>This free online circuit solver tool can calculate the transfer function of circuits built from resistors, capacitors, inductors and op-amps. The user can quickly explore different topologies and find their Laplace transform</p>
+            </div>
+          </div>
           <div className="row shadow-sm rounded bg-lightgreen my-2 py-1" id="schematic">
             <div className="col">
               <${SchematicComponents} key="schemComp"/>
