diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4b93a3baad964f45b0b8748ada07405a551f20d5..3df0d6f54b7eec6e25d49181e52c1d73c6bc0679 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 - Hydrograph can now show either last 7 days, last 30 days, or the last year of data for
 the selected timeseries. The Show last year feature also works for the three date ranges.
 - The beginnings of a node.js-based graph server was added.
+- Content group tag wdfn_tng to the google analytics script.
 
 
 ### Changed
@@ -17,6 +18,7 @@ the selected timeseries. The Show last year feature also works for the three dat
 - Date labels moved to and centered in areas between midnight tick marks
 - Projects were isolated in separate directories with Makefiles binding them together.
 - Change incorrect spelling "timeseries" to "time series"
+- Label change on toggle from "Show last year" to "Compare to last year"
 
 
 ### Fixed
@@ -30,7 +32,6 @@ the selected timeseries. The Show last year feature also works for the three dat
 - Basic meta tags, title and description, for Twitter card and Open Graph
 - Rough draft for USGS logo watermark
 
-
 ### Changed
 - Timeseries graph legend now shows markers with the appropriate colors representing Approved, Estimated, and
 Provisional for the lines that are currently visible on the graph.
@@ -40,7 +41,6 @@ Provisional for the lines that are currently visible on the graph.
 slice reducers for the different parts.
 - Location metadata table placed in an accordion
 
-
 ### Fixed
 - Tooltip is redrawn correctly when changing from portrait to landscape on mobile.
 - Handle tooltips on touch devices
@@ -59,7 +59,6 @@ slice reducers for the different parts.
 - Limit y-axis lower bound to nearest power of 10 on logarithmic scales
 - Site Summary table includes site visits, peak values, annual data reports, and groundwater network sites
 
-
 ### Fixed
 - Timeseries SVG has the correct title and desc tag contents.
 - Series with no points are not considered when determining the default parameter.
diff --git a/assets/src/scripts/components/hydrograph/index.js b/assets/src/scripts/components/hydrograph/index.js
index 51d3cedb80fdaf6775ce2535b86c671ff18ea31d..e30620af6a9d0e71a7293bf9210cc41ee09a929f 100644
--- a/assets/src/scripts/components/hydrograph/index.js
+++ b/assets/src/scripts/components/hydrograph/index.js
@@ -376,7 +376,7 @@ const graphControls = function(elem) {
     compareControlDiv.append('label')
         .attr('id', 'last-year-label')
         .attr('for', 'last-year-checkbox')
-        .text('Show last year');
+        .text('Compare to last year');
 };
 
 /**
diff --git a/wdfn-server/waterdata/templates/partials/google_analytics.html b/wdfn-server/waterdata/templates/partials/google_analytics.html
index 12ceed0b65ae0f85fa58c3bc8914dd79770d3e04..9c896dd83951bde6b260ae300b6f8edcb25669ed 100644
--- a/wdfn-server/waterdata/templates/partials/google_analytics.html
+++ b/wdfn-server/waterdata/templates/partials/google_analytics.html
@@ -2,8 +2,8 @@
     <script>
         window.ga=window.ga||function(){(ga.q=ga.q||[]).push(arguments)};ga.l=+new Date;
         ga('create', "{{ config.GA_TRACKING_CODE }}", 'auto');
+        ga('set', 'contentGroup1', 'wdfn_tng');
         ga('send', 'pageview');
-
         ga('require', 'outboundLinkTracker');
         ga('require', 'eventTracker');
     </script>