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+<!doctype html>
+<html class="no-js" lang="en" dir="ltr">
+<head>
+  <meta charset="utf-8" />
+  <meta http-equiv="x-ua-compatible" content="ie=edge" />
+  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+  <title>Too Many Requests</title>
+  <link rel="stylesheet" href="static/css/foundation.min.css" />
+</head>
+<body>
+  <div class="grid-container">
+    <div class="grid-x grid-padding-x">
+      <div class="large-12 cell">
+        <h1 id="hostname"></h1>
+      </div>
+    </div>
+    <div class="grid-x grid-padding-x">
+      <div class="large-12 cell">
+        <div class="callout">
+          <h3>Too Many Requests</h3>
+          <p>We got exceptional traffic from your IP Address. You exceeded the daily limit of <em>0</em> requests per IP.</p>
+          <p>To continue to use this page you have to prove, that your requests are good faith!</p>
+          <hr />
+          <div>
+            <form>
+              <label for="id_prime">Enter an 11 digit prime number to continue:</label>
+              <div class="input-group">
+                <input class="input-group-field" id="id_prime" type="number" value="0" placeholder="Prove your good faith" readonly="" />
+                <div class="input-group-button">
+                  <input type="button" class="button" value="+" onclick="document.getElementById('id_prime').stepUp()" />
+                  <input type="button" class="button" value="-" onclick="document.getElementById('id_prime').stepDown()" />
+                </div>
+              </div>
+              <input type="submit" class="button" onclick="check()" value="Submit" />
+            </form>
+          </div>
+        </div>
+      </div>
+    </div>
+  </div>
+  <script type="text/javascript">
+  var startTime = new Date()
+  
+  document.getElementById("hostname").innerHTML = window.location.hostname;
+  document.title = window.location.hostname;
+
+  function check() {
+    let numString = document.getElementById('id_prime').value;
+    let num = new Number(numString);
+
+    if (numString.length != 11) {
+      alert("Number must be 11 digits. Try Again!");
+    }
+    else if (num < 0 || !isPrime(num)) {
+      alert("Number is not prime. Try Again!");
+    }
+    else {
+      let duration = Math.floor((new Date().getTime() - startTime.getTime()) / 1000);
+
+      let durationHours = Math.floor(duration / (60 * 60));
+      duration -= durationHours * 60 * 60;
+
+      let durationMinutes = Math.floor(duration / 60);
+      duration -= durationMinutes * 60;
+
+      let durationSeconds = duration;
+
+      let s = "Congratiulations: You wasted ";
+      if (durationHours != 0) {
+        s += durationHours + " hours ";
+      }
+      if (durationMinutes != 0) {
+        s += durationMinutes + " minutes ";
+      }
+      if (durationMinutes != 0 || durationHours != 0) {
+        s += " and ";
+      }
+      s += durationSeconds + " seconds of your life!";
+
+      alert(s);
+    }
+  }
+
+  function isPrime(n) {
+    if (n === 0 || n === 1) { return false; }
+    else if (n === 2 || n === 3) { return true; }
+    /*
+     * Every (integer) x > 4 can be represented as (6k + i), with k ∈ ℕ \ {0}
+     * and i ∈ { -1, 0, 1, 2, 3, 4 }.
+     *
+     * Numbers devideable by
+     * - (6k + 0), (6k + 2), (6k + 4) can also be devided by 2
+     * - (6k + 3) can also be devided by 3
+     *
+     * Left are (6k - 1) and (6k + 1).
+     * So we check if our number is devideable by 2 or 3,
+     * and after that only if it is devideable by eighter (6k - 1) or (6k + 1).
+     *
+     * All composite numbers n are devided by a number less or equal to sqrt(n).
+     */
+    else if (n % 2 === 0 || n % 3 === 0) { return false; }
+    else {
+      for (let k = 1; (6 * k - 1) <= Math.sqrt(n); k++) {
+        if (n % (6 * k - 1) === 0 || n % (6 * k + 1) === 0) {
+          return false;
+        }
+      }
+      return true;
+    }
+  }
+  </script>
+</body>
+</html>