[DO NOT MERGE] Adding posthog for analytics.

public/posthog.js

@@ -0,0 +1,53 @@
+// PostHog Analytics initialization
+!(function (t, e) {
+  var o, n, p, r;
+  e.__SV ||
+    (window.posthog && window.posthog.__loaded) ||
+    ((window.posthog = e),
+    (e._i = []),
+    (e.init = function (i, s, a) {
+      function g(t, e) {
+        var o = e.split(".");
+        2 == o.length && ((t = t[o[0]]), (e = o[1])),
+          (t[e] = function () {
+            t.push([e].concat(Array.prototype.slice.call(arguments, 0)));
+          });
+      }
+      ((p = t.createElement("script")).type = "text/javascript"),
+        (p.crossOrigin = "anonymous"),
+        (p.async = !0),
+        (p.src =
+          s.api_host.replace(".i.posthog.com", "-assets.i.posthog.com") +
+          "/static/array.js"),
+        (r = t.getElementsByTagName("script")[0]).parentNode.insertBefore(p, r);
+      var u = e;
+      for (
+        void 0 !== a ? (u = e[a] = []) : (a = "posthog"),
+          u.people = u.people || [],
+          u.toString = function (t) {
+            var e = "posthog";
+            return "posthog" !== a && (e += "." + a), t || (e += " (stub)"), e;
+          },
+          u.people.toString = function () {
+            return u.toString(1) + ".people (stub)";
+          },
+          o =
+            "init fi Cr Or ci Tr Ir capture Mi calculateEventProperties Ar register register_once register_for_session unregister unregister_for_session Nr getFeatureFlag getFeatureFlagPayload isFeatureEnabled reloadFeatureFlags updateEarlyAccessFeatureEnrollment getEarlyAccessFeatures on onFeatureFlags onSurveysLoaded onSessionId getSurveys getActiveMatchingSurveys renderSurvey displaySurvey canRenderSurvey canRenderSurveyAsync identify setPersonProperties group resetGroups setPersonPropertiesForFlags resetPersonPropertiesForFlags setGroupPropertiesForFlags resetGroupPropertiesForFlags reset get_distinct_id getGroups get_session_id get_session_replay_url alias set_config startSessionRecording stopSessionRecording sessionRecordingStarted captureException loadToolbar get_property getSessionProperty jr Mr createPersonProfile Lr kr Ur opt_in_capturing opt_out_capturing has_opted_in_capturing has_opted_out_capturing get_explicit_consent_status is_capturing clear_opt_in_out_capturing Fr debug M Dr getPageViewId captureTraceFeedback captureTraceMetric Sr".split(
+              " "
+            ),
+          n = 0;
+        n < o.length;
+        n++
+      )
+        g(u, o[n]);
+      e._i.push([i, s, a]);
+    }),
+    (e.__SV = 1));
+})(document, window.posthog || []);
+
+posthog.init("phc_4ioBsad3Csq8p3y6C1jiVMDaxsOuqhamQSwInt6EItj", {
+  cookieless_mode: "always", // We don't want to use cookies to be on the right side of privacy regulations: https://posthog.com/tutorials/cookieless-tracking
+  api_host: "https://us.i.posthog.com",
+  defaults: "2025-05-24",
+  person_profiles: "identified_only",
+});

src/layouts/Layout.astro

@@ -53,6 +53,12 @@ const makeTitle = "1fe - Configuration-driven Front End Development";
         image: "https://1fe.com/og-image.svg",
       }}
     />
+
+    <!-- PostHog Analytics - Production Only -->
+    {import.meta.env.PROD && (
+      <script is:inline src="/posthog.js"></script>
+    )}
+
     <style is:global>
       /* Improve Page speed */
       /* https://css-tricks.com/almanac/properties/c/content-visibility/ */