diff --git a/views/chart.php b/views/chart.php
index 578b7a0..92be1e0 100644
--- a/views/chart.php
+++ b/views/chart.php
@@ -32,17 +32,21 @@ function renderChart(
 ) {
 
   $durations = [
-//    '30d'=> [
-//      'duration' => 60 * 60 * 24 * 30,
-//      'resolution' => 7200 // 2h
-//    ],
+    '1y'=> [
+      'duration' => 60 * 60 * 24 * 365,
+      'resolution' => 86400 // 1d
+    ],
+    '30d'=> [
+      'duration' => 60 * 60 * 24 * 30,
+      'resolution' => 7200 // 2h
+    ],
     '7d'=> [
       'duration' => 60 * 60 * 24 * 7,
       'resolution' => 1800 // 30m
     ],
     '24h' => [
       'duration' => 60 * 60 * 24 * 1,
-      'resolution' => 900 // 15m
+      'resolution' => 300 // 15m
     ]
   ];
 
@@ -92,12 +96,12 @@ function renderChart(
     }
 
     $poloniexChart = new NeatCharts\LineChart($chartData, [
-      'width'=>800,
-      'height'=>200,
+      'width'=>$width,
+      'height'=>$height,
       'lineColor'=>($theme == 'dark' ? '#000' : '#fff'),
       'labelColor'=>($theme == 'dark' ? '#000' : '#fff'),
       'smoothed'=>false,
-      'fontSize'=>12
+      'fontSize'=>$fontSize
     ]);
     $result = $poloniexChart->render();
 
@@ -110,7 +114,7 @@ function renderChart(
       $im->clear();
       $im->destroy();
     }
-    CacheManager::set($chartCacheKey, $result);
+    CacheManager::set($chartCacheKey, $result, $dataResolution);
     $resultExpires = time() + $dataResolution;
   } else {
     $resultExpires = CacheManager::getInfo($chartCacheKey)[ 'expired_time' ];
diff --git a/views/index.php b/views/index.php
index 36a8e0b..12b8612 100644
--- a/views/index.php
+++ b/views/index.php
@@ -77,8 +77,8 @@
     <section>
       <h2>SVG and PNG charts with your favorite cryptocurrencies</h2>
       <figure>
-        <img src="/charts/light/dash-btc/7d/svg" alt="Poloniex Dash/BTC price">
-        <figcaption>7 Day Dash price in BTC <code>http://cryptohistory.org/charts/light/dash-btc/7d/svg</code></figcaption>
+        <img src="/charts/light/dash-btc/30d/svg" alt="Poloniex Dash/BTC price">
+        <figcaption>30 Day Dash price in BTC <code>http://cryptohistory.org/charts/light/dash-btc/30d/svg</code></figcaption>
       </figure>
     </section>
     <section>
@@ -87,14 +87,14 @@
         <code>http://cryptohistory.org/charts/{theme}/{currency}-btc/{timespan}/{format}</code></p>
       <p>Theme: <code>dark</code> or <code>light</code>. (More planned)</p>
       <p>Currency: anything active on Poloniex. Prices are all in bitcoin.</p>
-      <p>Timespan: <code>7d</code> or <code>24h</code>. (More planned)</p>
+      <p>Timespan: <code>1y</code>, <code>30d</code>, <code>7d</code>, or <code>24h</code>.</p>
       <p>Format: <code>svg</code> (best) or <code>png</code>.</p>
     </section>
     <section>
       <h2>Examples:</h2>
       <p>Ethereum 24h, dark SVG: <code><a href="/charts/dark/eth-btc/24h/svg" target="_blank">http://cryptohistory.org/charts/dark/eth-btc/24h/svg</a></code></p>
-      <p>Litecoin 7d, light colored PNG: <code><a href="/charts/dark/ltc-btc/7d/png" target="_blank">http://cryptohistory.org/charts/dark/ltc-btc/7d/png</a></code></p>
-      <p>Factom 7d, dark SVG: <code><a href="/charts/dark/fct-btc/24h/svg" target="_blank">http://cryptohistory.org/charts/dark/fct-btc/24h/svg</a></code></p>
+      <p>Litecoin 30d, light colored PNG: <code><a href="/charts/dark/ltc-btc/7d/png" target="_blank">http://cryptohistory.org/charts/dark/ltc-btc/30d/png</a></code></p>
+      <p>Doge 1y, dark SVG: <code><a href="/charts/dark/fct-btc/24h/svg" target="_blank">http://cryptohistory.org/charts/dark/doge-btc/30d/svg</a></code></p>
     </section>
   </main>
   <footer>