Instead of adding interactive popup on mouse over of plot point, switch to mouse over of rectangle around the timestamp (reduces file size by another third 29.7kb => 17.9)

db.py

@@ -547,6 +547,8 @@ class DataBase():
             'points': list(weight_points)
         }
 
+        plot_labels = zip(relative_positions, messages)
+
         # Return exercise data with SVG dimensions and data points
         return {
             'exercise_name': topsets[0]['exercise_name'],
@@ -554,4 +556,5 @@ class DataBase():
             'vb_height': vb_height,
             'plots': [estimated_1rm, repetitions, weight],
             'best_fit_points': list(best_fit_points),
+            'plot_labels': plot_labels
         }