diff --git a/assets/js/site.js b/assets/js/site.js
index e69de29bb2d..e066b3738e9 100644
--- a/assets/js/site.js
+++ b/assets/js/site.js
@@ -0,0 +1,160 @@
+(() => {
+	function canTrackAnalytics() {
+		return typeof window.gtag === "function";
+	}
+
+	function getClickUrl(element) {
+		return element.getAttribute("href") || element.getAttribute("data-target") || "";
+	}
+
+	function getAnalyticsLabel(element) {
+		const explicitLabel =
+			element.dataset.homepageLabel ||
+			element.dataset.gaLabel ||
+			element.getAttribute("aria-label") ||
+			element.getAttribute("title");
+
+		if (explicitLabel) {
+			return explicitLabel.trim();
+		}
+
+		const textLabel = element.textContent.replace(/\s+/g, " ").trim();
+
+		if (textLabel) {
+			return textLabel;
+		}
+
+		const image = element.querySelector("img[alt]");
+
+		if (image && image.getAttribute("alt")) {
+			return image.getAttribute("alt").trim();
+		}
+
+		return "";
+	}
+
+	function getAnalyticsPlace(element) {
+		const homepageSection = element.closest("[data-homepage-section]");
+
+		if (homepageSection) {
+			return `homepage:${homepageSection.dataset.homepageSection}`;
+		}
+
+		if (element.closest("#global-header")) {
+			return "header";
+		}
+
+		if (element.closest("#global-footer")) {
+			return "footer";
+		}
+
+		if (element.closest("#article-footer")) {
+			return "article-footer";
+		}
+
+		return "body";
+	}
+
+	function sendAnalyticsEvent(eventName, params = {}) {
+		if (!canTrackAnalytics()) {
+			return;
+		}
+
+		window.gtag("event", eventName, {
+			page: window.location.pathname,
+			...params,
+		});
+	}
+
+	// Delegate common CTA tracking in one place instead of scattering inline handlers.
+	document.addEventListener("click", (event) => {
+		const clickTarget = event.target.closest("a, button");
+
+		if (!clickTarget) {
+			return;
+		}
+
+		if (clickTarget.classList.contains("pagefind-ui__result-link")) {
+			sendAnalyticsEvent("search_click", {
+				page_viewed: clickTarget.href,
+				result_label: getAnalyticsLabel(clickTarget),
+			});
+			return;
+		}
+
+		if (clickTarget.classList.contains("lang-select")) {
+			sendAnalyticsEvent("click_language", {
+				language: clickTarget.dataset.lang || getAnalyticsLabel(clickTarget),
+				place: getAnalyticsPlace(clickTarget),
+			});
+			return;
+		}
+
+		// Track both direct subscribe links and subscribe CTAs that open the shared modal.
+		if (
+			clickTarget.classList.contains("subscribe-link") ||
+			clickTarget.dataset.subscribeClick ||
+			clickTarget.getAttribute("data-target") === "#subscribeModal"
+		) {
+			sendAnalyticsEvent("click_subscribe", {
+				place: clickTarget.dataset.subscribeClick || getAnalyticsPlace(clickTarget),
+				click_url: getClickUrl(clickTarget),
+			});
+			return;
+		}
+
+		if (clickTarget.getAttribute("data-target") === "#searchModal") {
+			sendAnalyticsEvent("click_search_open", {
+				place: getAnalyticsPlace(clickTarget),
+			});
+			return;
+		}
+
+		const homepageSection = clickTarget.closest("[data-homepage-section]");
+
+		if (homepageSection) {
+			const clickLabel = getAnalyticsLabel(clickTarget);
+
+			if (!clickLabel) {
+				return;
+			}
+
+			sendAnalyticsEvent("click_homepage_link", {
+				homepage_section: homepageSection.dataset.homepageSection,
+				homepage_label: clickLabel,
+				click_url: getClickUrl(clickTarget),
+			});
+			return;
+		}
+
+		if (clickTarget.classList.contains("link-track")) {
+			sendAnalyticsEvent("click_topic_link", {
+				click_url: getClickUrl(clickTarget),
+				click_label: getAnalyticsLabel(clickTarget),
+			});
+			return;
+		}
+
+		const navigationRoot = clickTarget.closest("#global-header, #global-footer");
+		const clickUrl = getClickUrl(clickTarget);
+
+		if (
+			navigationRoot &&
+			clickUrl &&
+			clickUrl !== "#" &&
+			!clickTarget.hasAttribute("data-toggle")
+		) {
+			const clickLabel = getAnalyticsLabel(clickTarget);
+
+			if (!clickLabel) {
+				return;
+			}
+
+			sendAnalyticsEvent("click_navigation", {
+				navigation_region: navigationRoot.id === "global-header" ? "header" : "footer",
+				navigation_label: clickLabel,
+				click_url: clickUrl,
+			});
+		}
+	});
+})();
diff --git a/themes/dohmh/layouts/404.html b/themes/dohmh/layouts/404.html
index bbbb1c0506e..ef12a6f4c4d 100644
--- a/themes/dohmh/layouts/404.html
+++ b/themes/dohmh/layouts/404.html
@@ -1,104 +1,102 @@
 {{- define "main" -}}
 
 <article class="container-fluid overflow-hidden" id="primary-content" data-pagefind-ignore="all">
-
+  
   <div class="row">
     <div class="col-md-10 col-sm-12 mx-auto">
-
+      
       <!--start main column-->
-        <div class="chunk row my-4 mb-6" id="main404">
-            <div class="col-9 mx-auto mb-6">
-                <h1>Oops!</h1>
-                <p>This isn't a page on this site. </p>
-                <p>
-                    {{- with .Site.GetPage "_index.md" -}}
-                    You'll be redirected to the <a href="{{ .RelPermalink }}">
-                        Environment and Health Data Portal Home Page</a> in <span id="sec">a few</span> seconds.{{- end -}}</p>
+      <div class="chunk row my-4 mb-6" id="main404">
+        <div class="col-9 mx-auto mb-6">
+          <h1>Oops!</h1>
+          <p>This isn't a page on this site. </p>
+          <p>
+            {{- with .Site.GetPage "_index.md" -}}
+            You'll be redirected to the <a href="{{ .RelPermalink }}">
+              Environment and Health Data Portal Home Page</a> in <span id="sec">a few</span> seconds.{{- end -}}</p>
             </div>
-        </div>
-
-        <div class="chunk row my-4 hide mb-6" id="redirectBeta">
+          </div>
+          
+          <div class="chunk row my-4 hide mb-6" id="redirectBeta">
             <div class="col-9 mx-auto mb-6">
               <h1>Time to update your bookmarks!</h1>
               <p>We're no longer at <code class="text-secondary">/beta</code>. We'll send you to your correct URL.</p>
-
+              
             </div>
-
+            
+          </div>
+          
+          
+          
         </div>
-
-
-
-    </div>
-    <!--end main column-->
-  </div>
-
-<script>
-// ---------- Get URL, and hide page content options -------------------------------------- // 
-
- var url = window.location.href                              // use this when live
-
-// var url = 'http://localhost:1313/IndicatorPublic/beta'   // test URL
-
-var chunks = document.querySelectorAll('.chunk')
-
-chunks.forEach(x => x.classList.add('hide'))
-
-
-// ---------- does the URL include beta? ---------- // 
-
-url.includes("beta") ? removeBeta(url) : redirectHome()
-
-
-// ----------  remove /beta from URL and redirect to otherwise same URL -------------------- // 
-
-function removeBeta(x) {
-  // expose page content
-  document.getElementById('redirectBeta').classList.remove('hide')
-  //console.log('It is a beta URL')
-
-  // remove beta from URL
-  url = x.replace('/beta','')
-  // console.log('new url: ', url)
-
-  // send to new location
-  setTimeout(() => {
-    window.location.href = url
-  }, 2000)
-}
-
-// ----------  redirect to Home Page -------------------------------------------------------- // 
-
-function redirectHome() {
-  // expose content
-  document.getElementById('main404').classList.remove('hide')
-
-  // start countdown
-  countDown(5)
-}
-
-
-function countDown(x) {
-
-  if (x > 0) {
-    var print = document.getElementById('sec')
-    print.innerHTML = x
-    var oneLess = x - 1
-    setTimeout(() => {
-      countDown(oneLess)
-    }, 1000)
-
-  } else {
-    sendHome()
-  }
-}
-
-function sendHome() {
-  setTimeout(() => {
-    window.location.href = {{ relURL "" }}
-  }, 1000)
-}
-
-</script>
-  
-</article>
-{{- end -}}
+        <!--end main column-->
+      </div>
+      
+      <script>
+        // ---------- Get URL, and hide page content options -------------------------------------- // 
+        
+        var url = window.location.href                              // use this when live
+        
+        var chunks = document.querySelectorAll('.chunk')
+        
+        chunks.forEach(x => x.classList.add('hide'))
+        
+        
+        // ---------- does the URL include beta? ---------- // 
+        
+        url.includes("beta") ? removeBeta(url) : redirectHome()
+        
+        
+        // ----------  remove /beta from URL and redirect to otherwise same URL -------------------- // 
+        
+        function removeBeta(x) {
+          // expose page content
+          document.getElementById('redirectBeta').classList.remove('hide')
+          //console.log('It is a beta URL')
+          
+          // remove beta from URL
+          url = x.replace('/beta','')
+          // console.log('new url: ', url)
+          
+          // send to new location
+          setTimeout(() => {
+            window.location.href = url
+          }, 2000)
+        }
+        
+        // ----------  redirect to Home Page -------------------------------------------------------- // 
+        
+        function redirectHome() {
+          // expose content
+          document.getElementById('main404').classList.remove('hide')
+          
+          // start countdown
+          countDown(5)
+        }
+        
+        
+        function countDown(x) {
+          
+          if (x > 0) {
+            var print = document.getElementById('sec')
+            print.innerHTML = x
+            var oneLess = x - 1
+            setTimeout(() => {
+              countDown(oneLess)
+            }, 1000)
+            
+          } else {
+            sendHome()
+          }
+        }
+        
+        function sendHome() {
+          setTimeout(() => {
+            window.location.href = {{ relURL "" }}
+          }, 1000)
+        }
+        
+      </script>
+      
+    </article>
+    {{- end -}}
diff --git a/themes/dohmh/layouts/data-stories/single.html b/themes/dohmh/layouts/data-stories/single.html
index 4c24548ed9e..0d5123d31c3 100644
--- a/themes/dohmh/layouts/data-stories/single.html
+++ b/themes/dohmh/layouts/data-stories/single.html
@@ -62,7 +62,7 @@ <h1 class="h2 data-stories mb-3"><i class="fas fa-passport" aria-hidden="true" s
                     <ul class="extensible-list text-muted mt-3">
                         <li>
                             <p class="text-muted" >
-                                <span class="fa fa-envelope"></span> Like this story? <a href={{ relURL "about/subscribe" }} class="subscribe-link"> Sign up to find out when we post something new.</a></p> 
+                                <span class="fa fa-envelope"></span> Like this story? <a href={{ relURL "about/subscribe" }} class="subscribe-link" data-subscribe-click="data-story"> Sign up to find out when we post something new.</a></p> 
                         </li>
                     </ul>
                 </div>
diff --git a/themes/dohmh/layouts/index.html b/themes/dohmh/layouts/index.html
index 8836cbd84e9..828e7bc9efb 100644
--- a/themes/dohmh/layouts/index.html
+++ b/themes/dohmh/layouts/index.html
@@ -26,7 +26,7 @@ <h2 class="">Explore your city - through data.</h2>
               </p>
             </div>
 
-            <div class="row">
+            <div class="row" data-homepage-section="topics">
               <div class="col-md-6 px-20">
                 <ul class="list-unstyled font-weight-bold">
                   <li class="link-w-underline px-0"><a href={{ relURL "key-topics/accessibility" }}>Accessibility</a></li>
@@ -58,8 +58,8 @@ <h2 class="">Explore your city - through data.</h2>
             </div>
           </div>
           <div class="col-md-6 px-20">
-            <div class="card content-card">
-              <a href="{{ relURL .Params.featured_link }}">
+            <div class="card content-card" id="featured-homepage" data-homepage-section="featured">
+              <a href="{{ relURL .Params.featured_link }}" data-homepage-label="{{ .Params.featured_title }}">
               <div class="card-content primary">
 
                 {{ $src := resources.GetMatch ( path.Join "**" .Params.featured_image )}}
@@ -87,13 +87,13 @@ <h3>{{ .Params.featured_title }}</h3>
 
     <div class="container wide">
       <div class="row">
-        <div class="col-lg-4 px-20">
+        <div class="col-lg-4 px-20" data-homepage-section="data-stories">
           <h2 class="fs-xl data-stories border-bottom pb-2"><i class="fas fa-passport mr-1" aria-hidden="true"></i>New data stories</h2>
           <div class="mb-4 ds-card">
             <div>
               {{- range first 3 ((where .Site.RegularPages "Section" "data-stories")) -}}
 
-              <a href="{{ .RelPermalink }}" class="row no-gutters border-bottom py-3">
+              <a href="{{ .RelPermalink }}" class="row no-gutters border-bottom py-3" data-homepage-label="{{ .Title }}">
                 <div class="col-4">
                   {{ $src := .Resources.GetMatch .Params.image }}
                   {{ $image := $src.Resize "740x"}}
@@ -112,7 +112,7 @@ <h2 class="fs-xl data-stories border-bottom pb-2"><i class="fas fa-passport mr-1
             </div>
           </div>
         </div>
-        <div class="col-lg-4 px-20">
+        <div class="col-lg-4 px-20" data-homepage-section="recently-updated-data">
 
           <h2 class="fs-xl data-explorer border-bottom pb-2"><i class="fas fa-chart-line mr-1" aria-hidden="true"></i>Recently updated data</h2>
 
@@ -138,10 +138,10 @@ <h3 class="text-black fs-xl pr-2 mb-2">Get updates and announcements</h3>
                 <i class="fas fa-bullhorn h2 text-primary" aria-hidden="true"></i>
               </div>
             </div>
-            <p class="text-black mb-4"><a class="font-weight-bold subscribe-link" href={{ relURL "About/subscribe" }}>Sign up here!</a> We won't share your email address.</p>
+            <p class="text-black mb-4"><a class="font-weight-bold subscribe-link" data-subscribe-click="homepage" href={{ relURL "About/subscribe" }}>Sign up here!</a> We won't share your email address.</p>
           </div>
 
-          <div class="shadow-sm mb-3 p-3 card-left-border">
+          <div class="shadow-sm mb-3 p-3 card-left-border" data-homepage-section="site-search">
             <div class="row no-gutters">
               <div class="col-11">
                 <h3 class="text-black fs-xl pr-2 mb-2">Find what you need</h3>
@@ -160,14 +160,14 @@ <h3 class="text-black fs-xl pr-2 mb-2">Find what you need</h3>
     </div>
 
     <div class="container wide">
-      <div class="row">
+      <div class="row" data-homepage-section="tools">
         <div class="col-12 mb-2">
           <h3>Tools</h3>
         </div>
 
         <div class="col-lg-3 col-sm-6">
           <div class="card content-card">
-            <a class="position-relative" href={{ relURL "data-stories" }}>
+            <a class="position-relative" href={{ relURL "data-stories" }} data-homepage-label="Data stories">
             <div class="card-content data-stories mb-4">
                 <div class="tab-data-stories h-100 w-100 position-absolute"></div>
                 {{ $src := resources.GetMatch ( path.Join "**/image_tab_data_stories.jpg" )}}
@@ -185,7 +185,7 @@ <h3 class="card-title">Data stories</h3>
 
         <div class="col-lg-3 col-sm-6">
           <div class="card content-card">
-            <a class="position-relative" href={{ relURL "data-features" }}>
+            <a class="position-relative" href={{ relURL "data-features" }} data-homepage-label="Data Features">
             <div class="card-content data-features mb-4">
                 <div class="tab-data-features h-100 w-100 position-absolute"></div>
                 {{ $src := resources.GetMatch ( path.Join "**/image_tab_data_features.jpg" )}}
@@ -204,7 +204,7 @@ <h3 class="card-title">Data Features</h3>
 
         <div class="col-lg-3 col-sm-6">
           <div class="card content-card">
-            <a class="position-relative" href={{ relURL "neighborhood-reports" }}>
+            <a class="position-relative" href={{ relURL "neighborhood-reports" }} data-homepage-label="Neighborhood Reports">
             <div class="card-content n-reports mb-4">
                 <div class="tab-neighborhood-reports h-100 w-100 position-absolute"></div>
                 {{ $src := resources.GetMatch ( path.Join "**/image_tab_neighborhood_reports.jpg" )}}
@@ -225,7 +225,7 @@ <h3 class="card-title">Neighborhood Reports</h3>
 
         <div class="col-lg-3 col-sm-6">
           <div class="card content-card">
-            <a class="position-relative" href={{ relURL "data-explorer" }}>
+            <a class="position-relative" href={{ relURL "data-explorer" }} data-homepage-label="Data Explorer">
             <div class="card-content data-explorer mb-4">
                 <div class="tab-data-explorer h-100 w-100 position-absolute"></div>
                 {{ $src := resources.GetMatch ( path.Join "**/image_tab_data_explorer.jpg" )}}
@@ -251,7 +251,7 @@ <h3 class="card-title">Data Explorer</h3>
       <div class="container wide">
         <div class="row">
           <div class="col-md-11 mx-auto">
-            <div class="row">
+            <div class="row" data-homepage-section="secondary-links">
               <div class="col-md-4 my-2">
                 <div class="card card-left-border shadow-sm h-100">
                   <div class="card-body">
diff --git a/themes/dohmh/layouts/key-topics/single.html b/themes/dohmh/layouts/key-topics/single.html
index 57e56d4a57e..3f2af73e5c1 100644
--- a/themes/dohmh/layouts/key-topics/single.html
+++ b/themes/dohmh/layouts/key-topics/single.html
@@ -303,18 +303,4 @@ <h4 class="fs-md"><a class="link-track" href="{{ .RelPermalink }}" class="text-p
 
 </article>
 
-<script>
-    var linkTrack = document.getElementsByClassName("link-track");
-
-    for(let i = 0; i < linkTrack.length; i++) {
-        linkTrack[i].addEventListener("click", function(event) {
-            gtag("event", "click_topic_link", {
-            'click_url': this.getAttribute("href")
-            })
-        })
-    }
-</script>
-
-
-
 {{- end -}}
\ No newline at end of file
diff --git a/themes/dohmh/layouts/partials/footer.html b/themes/dohmh/layouts/partials/footer.html
index 24fab761f85..594ea072e4f 100644
--- a/themes/dohmh/layouts/partials/footer.html
+++ b/themes/dohmh/layouts/partials/footer.html
@@ -248,19 +248,7 @@ <h5 class="modal-title" id="searchModalLabel" data-pagefind-ignore="all">Search<
 
                             });
 
-                            // ----------------------------------------------------------------------- //
-                            // add Google Analytics tag to each result
-                            // ----------------------------------------------------------------------- //
-
-                            // Get all search results
-                            var allResults = document.getElementsByClassName('pagefind-ui__result-link');
-
-                            // add a click listener to each result
-                            for (h = 0; h < allResults.length; h += 1) {
-
-                                allResults[h].setAttribute('onclick',"gtag('event', 'search_click', { page_viewed: '" + allResults[h].href + "' });");
-
-                            }
+                            // Search result click tracking is handled centrally in site.js.
 
                             // log results to console for debugging
 
diff --git a/themes/dohmh/layouts/partials/header.html b/themes/dohmh/layouts/partials/header.html
index 8c82b0042f9..9dc4bdf887c 100644
--- a/themes/dohmh/layouts/partials/header.html
+++ b/themes/dohmh/layouts/partials/header.html
@@ -195,7 +195,7 @@
                                     <!-- .nav-item -->
                                     <div class="nav-item bg-none text-white border border-white ml-1">
 
-                                        <a class="nav-link text-white subscribe-link" href={{ relURL "About/subscribe" }}>Subscribe</a>
+                                        <a class="nav-link text-white subscribe-link" data-subscribe-click="header-nav" href={{ relURL "About/subscribe" }}>Subscribe</a>
                                             
 
                                         </a>
@@ -357,7 +357,7 @@
                                             <!-- .nav-item -->
                                             <div class="nav-item bg-none text-primary border">
         
-                                                <a href="#" class="nav-link text-primary " data-toggle="modal" data-target="#subscribeModal">
+                                                <a href="#" class="nav-link text-primary " data-subscribe-click="header-modal" data-toggle="modal" data-target="#subscribeModal">
                                                     Subscribe
                                                 </a>
                                             </div>
diff --git a/themes/dohmh/layouts/partials/js_bottom.html b/themes/dohmh/layouts/partials/js_bottom.html
index 7798358f92b..3e11f14c0c3 100644
--- a/themes/dohmh/layouts/partials/js_bottom.html
+++ b/themes/dohmh/layouts/partials/js_bottom.html
@@ -39,19 +39,6 @@
 
 <script src="https://translate.google.com/translate_a/element.js?cb=googleTranslateElementInit"></script>
 
-{{- /* subscribe button event listener */}}
-
-<script>
-  document.querySelectorAll(".subscribe-link").forEach((el) => {
-    el.addEventListener("click", (e) => {
-      gtag("event", "click_subscribe", {
-        page: window.location.pathname,
-        place: e.target.dataset.subscribeClick,
-      });
-    });
-  });
-</script>
-
 {{- /* NYC template JS (RTL, search and language toggle, back to top) */}} {{-
 $main := resources.Get "js/main.js" | partial "short-fingerprint.html" }}
 <script
@@ -59,3 +46,10 @@
   src="{{ $main.RelPermalink }}"
   integrity="{{ $main.Data.Integrity }}"
 ></script>
+
+{{- $site := resources.Get "js/site.js" | partial "short-fingerprint.html" }}
+<script
+  type="text/javascript"
+  src="{{ $site.RelPermalink }}"
+  integrity="{{ $site.Data.Integrity }}"
+></script>