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feat: Add Google Analytics 4 integration to track site usage #23

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Merged
Iamsdt merged 1 commit into from
Nov 2, 2026
Merged

feat: Add Google Analytics 4 integration to track site usage #23

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3 changes: 3 additions & 0 deletions .github/workflows/deploy.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -34,6 +34,9 @@ jobs:
run: npm ci

- name: Build site
env:
# Google Analytics 4 measurement ID; public (it ships in every page), so not a secret.
PUBLIC_GA_ID: G-C902XCTMKD
run: npm run build

- name: Deploy to Cloudflare Pages
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14 changes: 14 additions & 0 deletions src/layouts/BaseLayout.astro
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Expand Up @@ -44,6 +44,8 @@ const cleanPath = Astro.url.pathname.replace(/\.html$/, '').replace(/\/index$/,
const canonical = new URL(cleanPath, Astro.site).toString();
// Shared social card (logo lockup on the dark brand background) until pages get their own.
const ogImage = new URL('/og-default.png', Astro.site).toString();
// Google Analytics 4 measurement ID (G-XXXXXXXXXX), set at build time. No ID, no tag.
const gaId = import.meta.env.PUBLIC_GA_ID;
---
<!doctype html>
<html lang="en" data-theme="dark">
Expand Down Expand Up @@ -107,6 +109,18 @@ const ogImage = new URL('/og-default.png', Astro.site).toString();
<link rel="preload" href={bodyFont} as="font" type="font/woff2" crossorigin />

{jsonLd.length > 0 && <script type="application/ld+json" set:html={JSON.stringify(jsonLd.length === 1 ? jsonLd[0] : jsonLd)} />}

{gaId && (
<>
<script is:inline async src={`https://www.googletagmanager.com/gtag/js?id=${gaId}`}></script>
<script is:inline define:vars={{ gaId }}>
window.dataLayer = window.dataLayer || [];
function gtag() { dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', gaId);
</script>
</>
)}
</head>
<body>
<a class="skip" href="#main">Skip to content</a>
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