--- a/ckanext/ga_report/controller.py
+++ b/ckanext/ga_report/controller.py
@@ -232,7 +232,7 @@
         return render('ga_report/publisher/index.html')
 
     def _get_packages(self, publisher=None, count=-1):
-        '''Returns the datasets in order of visits'''
+        '''Returns the datasets in order of views'''
         if count == -1:
             count = sys.maxint
 
@@ -244,7 +244,7 @@
         if publisher:
             q = q.filter(GA_Url.department_id==publisher.name)
         q = q.filter(GA_Url.period_name==month)
-        q = q.order_by('ga_url.visits::int desc')
+        q = q.order_by('ga_url.pageviews::int desc')
         top_packages = []
         for entry,package in q.limit(count):
             if package:
@@ -329,7 +329,7 @@
 def _get_publishers():
     '''
     Returns a list of all publishers. Each item is a tuple:
-      (names, title)
+      (name, title)
     '''
     publishers = []
     for pub in model.Session.query(model.Group).\

--- a/ckanext/ga_report/ga_model.py
+++ b/ckanext/ga_report/ga_model.py
@@ -9,6 +9,8 @@
 
 import ckan.model as model
 from ckan.lib.base import *
+
+log = __import__('logging').getLogger(__name__)
 
 def make_uuid():
     return unicode(uuid.uuid4())
@@ -212,7 +214,7 @@
                       'period_complete_day': 0,
                       'url': url,
                       'pageviews': sum([int(e.pageviews) for e in entries]) + old_pageviews,
-                      'visits': sum([int(e.visits) for e in entries]) + old_visits,
+                      'visits': sum([int(e.visits or 0) for e in entries]) + old_visits,
                       'department_id': publisher,
                       'package_id': package
                      }
@@ -344,20 +346,33 @@
     model.Session.commit()
 
 def get_score_for_dataset(dataset_name):
+    '''
+    Returns a "current popularity" score for a dataset,
+    based on how many views it has had recently.
+    '''
     import datetime
     now = datetime.datetime.now()
-    period_names = ['%s-%02d' % (now.year, now.month),
-                    '%s-%02d' % (now.year, now.month-1)]
-
-    entry = model.Session.query(GA_Url)\
-        .filter(GA_Url.period_name==period_names[0])\
-        .filter(GA_Url.package_id==dataset_name).first()
-    score = int(entry.pageviews) if entry else 0
-
-    entry = model.Session.query(GA_Url)\
-        .filter(GA_Url.period_name==period_names[1])\
-        .filter(GA_Url.package_id==dataset_name).first()
-    val = int(entry.pageviews) if entry else 0
-    score += val/2 if val else 0
-
-    return 0
+    last_month = now - datetime.timedelta(days=30)
+    period_names = ['%s-%02d' % (last_month.year, last_month.month),
+                    '%s-%02d' % (now.year, now.month),
+                    ]
+
+    score = 0
+    for period_name in period_names:
+        score /= 2 # previous periods are discounted by 50%
+        entry = model.Session.query(GA_Url)\
+                .filter(GA_Url.period_name==period_name)\
+                .filter(GA_Url.package_id==dataset_name).first()
+        # score
+        if entry:
+            views = float(entry.pageviews)
+            if entry.period_complete_day:
+                views_per_day = views / entry.period_complete_day
+            else:
+                views_per_day = views / 15 # guess
+            score += views_per_day
+
+    score = int(score * 100)
+    log.debug('Popularity %s: %s', score, dataset_name)
+    return score
+

--- a/ckanext/ga_report/templates/ga_report/notes.html
+++ b/ckanext/ga_report/templates/ga_report/notes.html
@@ -6,8 +6,8 @@
     <li class="widget-container boxed widget_text">
       <h4>Notes</h4>
       <ul>
-          <li>"Views" is the number of sessions during which the page was viewed one or more times (technically known as "unique pageviews").</li>
-          <li>"Visits" is the number of unique user visits to a page, counted once for each visitor for each session.</li>
+          <li>"Views" is the number of times a page was loaded in users' browsers.</li>
+          <li>"Visits" is the number of unique user visits to a page, counted once for each visitor for each of their browsing sessions.</li>
           <li>These usage statistics are confined to users with javascript enabled, which excludes web crawlers and API calls.</li>
           <li>The results are not shown when the number of views/visits is tiny. Where these relate to site pages, results are available in full in the CSV download. Where these relate to users' web browser information, results are not disclosed, for privacy reasons.</li>
       </ul>