In svg graph, set fill-opacity to 0% on parent<g/> instead of each child instance of <rect/>. This reduces generated file size 12.6KB - 11.9KB

templates/partials/sparkline.html

@@ -55,6 +55,7 @@
         </g>
         {% endfor %}
 
+        <g style="fill-opacity: 0%">
         {% for pos, message in plot_labels %}
             {% set x = (pos * vb_width) - (stroke_width/2) + margin %}
             {% set y = 0 %}
@@ -66,9 +67,9 @@
             width="{{ width | int }}" 
             height="{{ height | int }}"
             class="plot_point"
-            data-message="{{ message }}"
-            fill-opacity="0%"></rect>
+            data-message="{{ message }}"></rect>
         {% endfor %}
+        </g>
 
         {% for pos in relative_positions %}
         {% endfor %}