diff --git a/_config.yml b/_config.yml
index fc2606a..fb00646 100644
--- a/_config.yml
+++ b/_config.yml
@@ -702,6 +702,12 @@ umami_analytics:
     # Umami Cloud (API key) / self-hosted Umami (token)
     token:
 
+# https://www.googletagmanager.com/
+google_tag_manager:
+  tag_id: 
+  # optional
+  domain: 
+
 # --------------------------------------
 # Advertisement
 # --------------------------------------
diff --git a/layout/includes/additional-js.pug b/layout/includes/additional-js.pug
index 5312260..6467864 100644
--- a/layout/includes/additional-js.pug
+++ b/layout/includes/additional-js.pug
@@ -54,4 +54,8 @@ div
   if theme.busuanzi.site_uv || theme.busuanzi.site_pv || theme.busuanzi.page_pv
     script(async data-pjax src= theme.asset.busuanzi || '//busuanzi.ibruce.info/busuanzi/2.3/busuanzi.pure.mini.js')
 
-  != partial('includes/third-party/search/index', {}, { cache: true })
\ No newline at end of file
+  != partial('includes/third-party/search/index', {}, { cache: true })
+  
+  if (theme.google_tag_manager && theme.google_tag_manager.tag_id)
+    noscript
+      iframe(src=`${theme.google_tag_manager.domain ? theme.google_tag_manager.domain : 'https://www.googletagmanager.com'}/ns.html?id=${theme.google_tag_manager.tag_id}` height="0" width="0" style="display:none;visibility:hidden")
\ No newline at end of file
diff --git a/layout/includes/head/analytics.pug b/layout/includes/head/analytics.pug
index e6aa621..6357b7a 100644
--- a/layout/includes/head/analytics.pug
+++ b/layout/includes/head/analytics.pug
@@ -31,4 +31,15 @@ if theme.microsoft_clarity
         c[a]=c[a]||function(){(c[a].q=c[a].q||[]).push(arguments)};
         t=l.createElement(r);t.async=1;t.src="https://www.clarity.ms/tag/"+i;
         y=l.getElementsByTagName(r)[0];y.parentNode.insertBefore(t,y);
-    })(window, document, "clarity", "script", "!{theme.microsoft_clarity}");
\ No newline at end of file
+    })(window, document, "clarity", "script", "!{theme.microsoft_clarity}");
+
+if (theme.google_tag_manager && theme.google_tag_manager.tag_id)
+  script.
+    (function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':
+    new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],
+    j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src=
+    "!{theme.google_tag_manager.domain ? theme.google_tag_manager.domain : 'https://www.googletagmanager.com'}/gtm.js?id="+i+dl;f.parentNode.insertBefore(j,f);
+    })(window,document,'script','dataLayer','!{theme.google_tag_manager.tag_id}');
+    btf.addGlobalFn('pjaxComplete', () => {
+      dataLayer.push({'event': 'pjaxComplete', 'page_title': document.title, 'page_location': location.href, 'page_path': window.location.pathname});
+    }, 'google_tag_manager');
\ No newline at end of file
diff --git a/scripts/events/merge_config.js b/scripts/events/merge_config.js
index e6bf36d..be30fb2 100644
--- a/scripts/events/merge_config.js
+++ b/scripts/events/merge_config.js
@@ -388,6 +388,10 @@ hexo.extend.filter.register('before_generate', () => {
     crisp: {
       website_id: null
     },
+    google_tag_manager: {
+      tag_id: null,
+      domain: 'https://www.googletagmanager.com'
+    },
     baidu_analytics: null,
     google_analytics: null,
     cloudflare_analytics: null,