diff --git a/index.html b/index.html
index 9d2fbfa..c67b253 100644
--- a/index.html
+++ b/index.html
@@ -46,17 +46,17 @@
                     <td><input placeholder="answer" v-bind:value="row[1]" v-on:change="row[1] = $event.target.value"></td>
                     <td><button v-on:click="deleteRow(i)">Delete</button></td>
                 </tr>
-                <tr v-if="urlLength < 2048">
+                <tr v-if="size < 2048">
                     <td><input placeholder="question" v-bind:value="newRow[0]" v-on:change="newRow[0] = $event.target.value"></td>
                     <td><input placeholder="answer" v-bind:value="newRow[1]" v-on:change="newRow[1] = $event.target.value"></td>
                     <td><button v-on:click="addRow">Add</button></td>
                 </tr>
                 <tr>
                     <td colspan="2">
-                        <progress max="2048" v-bind:value="urlLength"></progress>
+                        <progress max="2048" v-bind:value="size"></progress>
                     </td>
                     <td>
-                        {{ urlLength }} / 2048
+                        {{ size }} / 2048
                     </td>
                 </tr>
             </table>
diff --git a/main.js b/main.js
index cd39c54..f16b3fd 100644
--- a/main.js
+++ b/main.js
@@ -61,15 +61,13 @@ let app = {
             showConfig: true,
             q2a: true,
             a2q: false,
+            size: 0,
         };
     },
     computed: {
         currentYear() {
             return new Date().getFullYear();
         },
-        urlLength() {
-            return window.location.toString().length;
-        },
     },
     methods: {
         showApp() {
@@ -129,6 +127,7 @@ let app = {
             this.showConfig = false;
             this.reset();
         }
+        this.size = url.href.length;
     },
     updated() {
         const data = utils.serialize(this.available);
@@ -137,6 +136,7 @@ let app = {
             url.searchParams.set('d', data);
             window.history.pushState({}, '', url);
         }
+        this.size = url.href.length;
     },
     mounted: function () {
         setTimeout(this.showApp);