diff --git a/crowdfunding/index.html b/crowdfunding/index.html
index 30e5cbddb5..04b7acda59 100644
--- a/crowdfunding/index.html
+++ b/crowdfunding/index.html
@@ -1164,7 +1164,7 @@
         </section>
 
         <!-- 1 · TRACTION -->
-        <section class="page cf cf-light cf-left cf-growth">
+        <section class="page cf cf-light cf-left cf-growth" data-section="growth">
             <div class="area">
                 <div class="text-container">
                     <h2>520,000<br>monthly users</h2>
@@ -1175,7 +1175,7 @@
         </section>
 
         <!-- 2 · MARKET -->
-        <section class="page cf cf-dark cf-right cf-problem" id="identifiers">
+        <section class="page cf cf-dark cf-right cf-problem" id="identifiers" data-section="identifiers">
             <div class="area">
                 <div class="text-container">
                     <h2>Every other network can identify you</h2>
@@ -1187,7 +1187,7 @@
         </section>
 
         <!-- 3 · NETWORK, NOT AN APP -->
-        <section class="page cf cf-light cf-right cf-network" id="network">
+        <section class="page cf cf-light cf-right cf-network" id="network" data-section="network">
             <div class="area">
             <div class="cf-tags" aria-hidden="true">
                 <img class="cf-tags-art" src="/img/design_3/section-3-mobile-light.webp" alt="">
@@ -1228,7 +1228,7 @@
         </section>
 
         <!-- 4 · REVENUE -->
-        <section class="page cf cf-light cf-right cf-revenue">
+        <section class="page cf cf-light cf-right cf-revenue" data-section="revenue">
             <div class="area">
                 <div class="cf-art" aria-hidden="true"><img src="/img/design_3/section-4-mobile-light.webp" alt=""></div>
                 <div class="text-container">
@@ -1240,7 +1240,7 @@
         </section>
 
         <!-- 5 · CAN'T BE COPIED -->
-        <section class="page cf cf-light cf-left cf-moat">
+        <section class="page cf cf-light cf-left cf-moat" data-section="moat">
             <div class="area">
                 <div class="text-container">
                     <h2>Design advantage that can't be copied</h2>
@@ -1251,7 +1251,7 @@
         </section>
 
         <!-- 6 · BUILD ON -->
-        <section class="page cf cf-light cf-left cf-build" id="build">
+        <section class="page cf cf-light cf-left cf-build" id="build" data-section="build">
             <div class="area">
                 <div class="text-container">
                     <h2>A network others build on</h2>
@@ -1263,7 +1263,7 @@
         </section>
 
         <!-- 7 · CLOSE -->
-        <section class="page cf cf-dark cf-close" id="invest">
+        <section class="page cf cf-dark cf-close" id="invest" data-section="invest">
             <div class="area">
                 <div class="cf-hero-text">
                     <h1><span class="cf-close-l1">Get a stake</span><br><span class="cf-close-l2">in SimpleX Chat</span></h1>
@@ -1285,7 +1285,7 @@
         </section>
 
         <!-- 8 · FOOTER -->
-        <section class="page cf cf-footer">
+        <section class="page cf cf-footer" data-section="footer">
             <div class="cf-footer-inner">
                 <p class="cf-fine">This Regulation Crowdfunding offering is made available through Wefunder Portal LLC. This investment involves a high degree of risk, including the possible loss of your investment.</p>
                 <p class="cf-fine cf-fine-links">
@@ -1693,35 +1693,44 @@
             if (document.fonts && document.fonts.ready) document.fonts.ready.then(function () { fit(); place(); });
         })();
     </script>
-    <script>
-        (function cfDebug() {
-            if (location.hash !== '#debug') return;
-            var box = document.createElement('pre');
-            box.style.cssText = 'position:fixed;left:0;top:0;z-index:99999;margin:0;padding:6px 8px;background:rgba(0,0,0,.85);color:#7f7;font:11px/1.35 monospace;white-space:pre-wrap;max-width:100vw;pointer-events:none';
-            document.body.appendChild(box);
-            function px(v) { return Math.round(v * 10) / 10; }
-            function rect(q) { var e = document.querySelector(q); if (!e) return 'none'; var r = e.getBoundingClientRect(); return [px(r.left), px(r.top), px(r.width), px(r.height)].join(' '); }
-            function read() {
-                var vv = window.visualViewport;
-                var probe = document.querySelector('.cf-hero .area');
-                var cs = probe ? getComputedStyle(probe) : null;
-                box.textContent = [
-                    navigator.userAgent.replace(/^.*\(([^)]*)\).*$/, '$1'),
-                    'inner ' + innerWidth + 'x' + innerHeight + '  outer ' + outerWidth + 'x' + outerHeight + '  dpr ' + devicePixelRatio,
-                    'visual ' + (vv ? px(vv.width) + 'x' + px(vv.height) + ' scale ' + px(vv.scale) : 'n/a'),
-                    'doc ' + document.documentElement.clientWidth + 'x' + document.documentElement.clientHeight + '  screen ' + screen.width + 'x' + screen.height,
-                    'orientation ' + (screen.orientation ? screen.orientation.type : 'n/a') + '  landscape mq ' + matchMedia('(orientation: landscape)').matches + '  narrow mq ' + matchMedia('(max-width: 959px) and (orientation: portrait)').matches,
-                    'html class ' + document.documentElement.className,
-                    'hero .area ' + rect('.cf-hero .area') + '  hero-text ' + rect('.cf-hero-text'),
-                    'h1 ' + rect('.cf-hero h1') + '  lead ' + rect('.cf-hero .lead:not(.lead-short)') + '  lead-short ' + rect('.cf-hero .lead-short'),
-                    'stats ' + rect('.cf-stats') + '  offer ' + rect('#cf-offer') + '  cta ' + rect('.cf-hero .cf-pill'),
-                    'phone ' + rect('.cf-phone') + '  section ' + rect('section.page.cf.cf-hero'),
-                    'h1 font ' + (document.querySelector('.cf-hero h1') ? getComputedStyle(document.querySelector('.cf-hero h1')).fontSize : '') + '  area padding ' + (cs ? cs.padding : '')
-                ].join('\n');
-            }
-            read();
-            setInterval(read, 1000);
-        })();
+    <script type="module">
+        import { init, track } from '/js/page.js'
+        init({ domain: 'simplex.chat', endpoint: 'https://api.simplex.chat/api/event', logging: false })
+        var sections = Array.prototype.slice.call(document.querySelectorAll('section.page.cf[data-section]'))
+        var seen = {}
+        var current = 'hero'
+        var watch = new IntersectionObserver(function (entries) {
+            entries.forEach(function (entry) {
+                if (!entry.isIntersecting) return
+                var name = entry.target.dataset.section
+                current = name
+                if (seen[name]) return
+                seen[name] = true
+                track('Section', { props: { n: sections.indexOf(entry.target) + 1, name: name } })
+            })
+        }, { threshold: 0.4 })
+        sections.forEach(function (s) { watch.observe(s) })
+        var places = [['#cf-hero-invest', 'Invest', 'hero'], ['.cf-close .cf-primary', 'Invest', 'close'], ['.cf-fine-links a[href*="wefunder"]', 'Invest', 'footer'],
+            ['#cf-hero-subscribe', 'Subscribe', 'hero'], ['.cf-hero-corner', 'Subscribe', 'corner'], ['.cf-close .cf-cta-link', 'Subscribe', 'close'],
+            ['#cf-offer-terms a', 'AoE', 'hero']]
+        places.forEach(function (p) {
+            var el = document.querySelector(p[0])
+            if (el) el.addEventListener('click', function () { track(p[1], { props: { place: p[2] } }) })
+        })
+        var bar = document.querySelector('#cf-cta-invest')
+        if (bar) bar.addEventListener('click', function () { track('Invest', { props: { place: 'bar', section: current } }) })
+        var exits = [['#navbar .logo', 'home', 'logo'], ['.cf-fine-links a[href="/"]', 'home', 'footer'], ['.cf-fine-links a[href="/privacy"]', 'privacy', 'footer'],
+            ['.cf-simplex-link', 'chat', 'request'], ['.cf-deck-link', 'deck', 'request'], ['.cf-modal-footnote a', 'source', 'ai-threat']]
+        exits.forEach(function (x) {
+            document.querySelectorAll(x[0]).forEach(function (el) {
+                el.addEventListener('click', function () { track('Exit', { props: { to: x[1], place: x[2] } }) })
+            })
+        })
+        document.addEventListener('mc:result', function (e) { track('Subscribed', { props: { status: e.detail.status } }) })
+        window.addEventListener('hashchange', function () {
+            var id = location.hash.slice(1)
+            if (id && document.querySelector('.cf-modal#' + CSS.escape(id))) track('Popup', { props: { name: id } })
+        })
     </script>
     <script>
         // Invert the navbar (logo + button) depending on whether the
diff --git a/js/page.js b/js/page.js
new file mode 100644
index 0000000000..305b452428
--- /dev/null
+++ b/js/page.js
@@ -0,0 +1,2 @@
+var e,t,n,i,o,r={};function a(){return new URL(e.src).origin+"/api/event"}function u(e){return Object.assign(e,{autoCapturePageviews:!1!==e.autoCapturePageviews,logging:!1!==e.logging,bindToWindow:!1!==e.bindToWindow})}function s(e){if(r.isInitialized)throw Error("plausible.init() can only be called once");if(!e||!e.domain)throw Error("plausible.init(): domain argument is required");e.endpoint||(e.endpoint="https://plausible.io/api/event"),Object.assign(r,e),r.isInitialized=!0}function c(e,t,n){window.fetch&&fetch(e,{method:"POST",headers:{"Content-Type":"text/plain"},keepalive:!0,body:JSON.stringify(t)}).then(function(e){n&&n.callback&&n.callback({status:e.status})}).catch(function(e){n&&n.callback&&n.callback({error:e})})}var l=!1,d={},f=-1,p=0,v=0;function m(){l&&(g(),i=E(),o=L())}function h(e){t=!1,n=e.u,d=e.p,f=-1,v=0,p=Date.now(),y()}function w(){t=!0}function g(){var e=k();if(!t&&(f<o||e>=3e3)){f=o;var a={n:"engagement",sd:Math.round(o/i*100),d:r.domain,u:n,p:d,e:e,v:36};p=0,v=0,r.hashBasedRouting&&(a.h=1),c(r.endpoint,a)}}function b(){"visible"===document.visibilityState&&document.hasFocus()&&0===p?p=Date.now():"hidden"!==document.visibilityState&&document.hasFocus()||(v=k(),p=0,g())}function y(){l||(document.addEventListener("visibilitychange",b),window.addEventListener("blur",b),window.addEventListener("focus",b),l=!0)}function k(){return p?v+(Date.now()-p):v}function E(){var e=document.body||{},t=document.documentElement||{};return Math.max(e.scrollHeight||0,e.offsetHeight||0,e.clientHeight||0,t.scrollHeight||0,t.offsetHeight||0,t.clientHeight||0)}function L(){var e,t;return e=window.innerHeight,t=window.scrollY,i<=e?i:t+e}function S(){i=E(),o=L(),new ResizeObserver(function(){i=E()}).observe(document.documentElement),document.addEventListener("scroll",function(){var e=L();e>o&&(o=e)})}function track(e,t){if(!r.isInitialized)throw Error("plausible.track() can only be called after plausible.init()");var n,i="pageview"===e;if(i&&m(),!r.captureOnLocalhost){if(/^localhost$|^127(\.[0-9]+){0,2}\.[0-9]+$|^\[::1?\]$/.test(location.hostname)||"file:"===location.protocol)return x(e,t,"localhost");if((window._phantom||window.__nightmare||window.navigator.webdriver||window.Cypress)&&!window.__plausible)return x(e,t)}try{if("true"===window.localStorage.plausible_ignore)return x(e,t,"localStorage flag")}catch(e){}var o={};o.n=e,o.v=36;var a=t&&(t.u||t.url);if(o.u=a||location.href,o.d=r.domain,o.r=document.referrer||null,t&&t.props&&(o.p=t.props),t&&!1===t.interactive&&(o.i=!1),t&&t.revenue&&(o.$=t.revenue),r.customProperties){var n=r.customProperties;"function"==typeof n&&(n=r.customProperties(e)),"object"==typeof n&&(o.p=Object.assign({},n,o.p))}if(r.hashBasedRouting&&(o.h=1),"function"==typeof r.transformRequest&&!(o=r.transformRequest(o)))return x(e,t,"transformRequest");i&&h(o),c(r.endpoint,o,t)}function x(e,t,n){n&&r.logging&&console.warn("Ignoring Event: "+n),t&&t.callback&&t.callback(),"pageview"===e&&w()}var DEFAULT_FILE_TYPES=["pdf","xlsx","docx","txt","rtf","csv","exe","key","pps","ppt","pptx","7z","pkg","rar","gz","zip","avi","mov","mp4","mpeg","wmv","midi","mp3","wav","wma","dmg"],D=1,_=3,N=DEFAULT_FILE_TYPES;function P(e){for(;e&&(void 0===e.tagName||!C(e)||!e.href);)e=e.parentNode;return e}function C(e){return e&&e.tagName&&"a"===e.tagName.toLowerCase()}function R(e,t){if(e.defaultPrevented)return!1;var n=t.target;return(!n||"string"==typeof n&&!!n.match(/^_(self|parent|top)$/i))&&!e.ctrlKey&&!e.metaKey&&!e.shiftKey&&"click"===e.type}function T(e){if("auxclick"!==e.type||e.button===D){var t=P(e.target),n=t&&"string"==typeof t.href&&t.href.split("?")[0];if(!I(t,0)){if(r.outboundLinks&&O(t))return F(e,t,{name:"Outbound Link: Click",props:{url:t.href}});if(r.fileDownloads&&z(n))return F(e,t,{name:"File Download",props:{url:n}})}}}function F(e,t,n){var i;(i={props:n.props}).revenue=n.revenue,track(n.name,i)}function O(e){return e&&"string"==typeof e.href&&e.host&&e.host!==location.host}function z(e){if(!e)return!1;var t=e.split(".").pop();return N.some(function(e){return e===t})}function H(e){var t=e&&e.classList;if(t){for(var n=0;n<t.length;n++)if(t.item(n).match(/plausible-event-name(=|--)(.+)/))return!0}return!1}function I(e,t){return!!e&&!(t>_)&&(!!H(e)||I(e.parentNode,t+1))}function j(e){var t=H(e)?e:e&&e.parentNode,n={name:null,props:{}};n.revenue={};var i=t&&t.classList;if(!i)return n;for(var o=0;o<i.length;o++){var r,a,u=i.item(o),s=u.match(/plausible-event-(.+)(=|--)(.+)/);s&&(r=s[1],a=s[3].replace(/\+/g," "),"name"==r.toLowerCase()?n.name=a:n.props[r]=a);var c=u.match(/plausible-revenue-(.+)(=|--)(.+)/);c&&(r=c[1],a=c[3],n.revenue[r]=a)}return n}function A(){function e(e){if("auxclick"!==e.type||e.button===D){for(var t,n,i,o=e.target,r=0;r<=_&&o;r++){if((t=o)&&t.tagName&&"form"===t.tagName.toLowerCase())return;C(o)&&(n=o),H(o)&&(i=o),o=o.parentNode}if(i){var a=j(i);if(n)a.props.url=n.href,F(e,n,a);else{var u={};u.props=a.props,u.revenue=a.revenue,track(a.name,u)}}}}document.addEventListener("click",T),document.addEventListener("auxclick",T),r.fileDownloads&&"object"==typeof r.fileDownloads&&Array.isArray(r.fileDownloads.fileExtensions)&&(N=r.fileDownloads.fileExtensions),r.formSubmissions&&document.addEventListener("submit",function(e){(e.target.hasAttribute("novalidate")||e.target.checkValidity())&&(I(e.target,0)||track("Form: Submission"))},!0),document.addEventListener("submit",function(e){var t,n=j(e.target);n.name&&((t={props:n.props}).revenue=n.revenue,track(n.name,t))}),document.addEventListener("click",e),document.addEventListener("auxclick",e)}function $(track){function e(e){(r.hashBasedRouting||!e||t!==location.pathname)&&(t=location.pathname,track("pageview"))}var t,n=function(){e(!0)};if(r.hashBasedRouting)window.addEventListener("hashchange",n);else{var i=window.history;if(i.pushState){var o=i.pushState;i.pushState=function(){o.apply(this,arguments),n()},window.addEventListener("popstate",n)}}"hidden"===document.visibilityState||"prerender"===document.visibilityState?document.addEventListener("visibilitychange",function(){t||"visible"!==document.visibilityState||e()}):e(),window.addEventListener("pageshow",function(t){t.persisted&&e()})}function init(e){s(u(e||{})),S(),r.autoCapturePageviews&&$(track),A(),r.bindToWindow&&"undefined"!=typeof window&&(window.plausible=track,window.plausible.s="npm",window.plausible.v=36,window.plausible.l=!0)}
+export { init, track, DEFAULT_FILE_TYPES }
\ No newline at end of file