and runs during HTML parse, but hubspotutk is set by js.hs-analytics.net, measured loading at ~834ms. On a first visit the cookie does not exist yet, so a single read returns nothing and the visitor gets no external ID at all — and a first visit is exactly what an ad click is. So poll briefly until HubSpot sets it. The SDK loads lazily (~4.5s) and replays a queue, so an init queued a second or two in still lands before any events are transmitted. */ (function attachExternalId() { var attempts = 0; var MAX_ATTEMPTS = 40; /* 40 x 200ms = 8s, then give up quietly */ var timer = null; function tryAttach() { var raw = getExternalId(); if (!raw) { if (++attempts >= MAX_ATTEMPTS && timer) clearInterval(timer); return; } if (timer) clearInterval(timer); sha256Hex(raw).then(function (hash) { oaiq("init", { user: { external_id_sha256: hash } }); }).catch(function () {}); } tryAttach(); /* returning visitor: immediate */ if (!getExternalId()) timer = setInterval(tryAttach, 200); })(); /* --------------------------------------------------------------------------- 2. Load the SDK off the critical path Whichever comes first: the main thread going idle after load, or the first sign of real user intent. No preconnect on purpose — a TLS handshake during LCP for a script we deliberately deferred is a net loss. Measured on clickpost.ai: load event 3614ms, SDK fetched 4508ms. ------------------------------------------------------------------------ */ var loaded = false; var INTENT = ["pointerdown", "keydown", "scroll"]; function loadSdk() { if (loaded) return; loaded = true; INTENT.forEach(function (t) { removeEventListener(t, loadSdk, { passive: true }); }); var s = document.createElement("script"); s.src = SDK; s.async = true; s.fetchPriority = "low"; document.head.appendChild(s); } INTENT.forEach(function (t) { addEventListener(t, loadSdk, { passive: true, once: true }); }); addEventListener("load", function () { window.requestIdleCallback ? requestIdleCallback(loadSdk, { timeout: 2500 }) : setTimeout(loadSdk, 1500); }, { once: true }); /* --------------------------------------------------------------------------- 3. Conversion id sha256(lowercase(email) + "|" + formId + "|" + ISO-hour), first 20 hex, "lead_" prefix. - email lowercased/trimmed so casing does not fork the id - formId keeps two different forms in the same hour from colliding - the hour bucket is only the server's fallback; the id computed here is sent to the relay verbatim, so the two paths cannot disagree even when a submit straddles an hour boundary Ads Manager's own sample omits event_id. We send it so the pixel event and the relay event collapse into one conversion instead of counting twice. ------------------------------------------------------------------------ */ function buildEventId(email, formId) { var seed = [ String(email || "").trim().toLowerCase(), String(formId || ""), new Date().toISOString().slice(0, 13) ].join("|"); return crypto.subtle.digest("SHA-256", new TextEncoder().encode(seed)).then(function (buf) { var hex = Array.prototype.map.call(new Uint8Array(buf), function (b) { return b.toString(16).padStart(2, "0"); }).join(""); return "lead_" + hex.slice(0, 20); }); } /* Guards a re-fire from the history.pushState that book-a-demo-core.js runs after submit, and from back-navigation onto the same state. */ function firedOnce(id) { try { if (sessionStorage.getItem("oaiq_" + id)) return true; sessionStorage.setItem("oaiq_" + id, "1"); return false; } catch (e) { return false; /* private mode / blocked storage: fire rather than lose it */ } } /* Path 2. keepalive lets the request finish even if the page navigates away. Failures are swallowed deliberately: a reporting call must never surface an error to someone who just submitted a form. The relay hashes the email server-side into user.emails_sha256 and adds the caller's IP and user agent, so this event carries the same match signals the pixel gets for free. */ function sendToRelay(email, formId, eventType, eventId) { try { var payload = { token: RELAY_TOKEN, email: email, form_id: formId || "", event_type: eventType, event_id: eventId, /* verbatim, so both paths always match */ source_url: location.href }; var oppref = getOppref(); if (oppref) payload.oppref = oppref; var externalId = getExternalId(); if (externalId) payload.external_id = externalId; fetch(RELAY_URL, { method: "POST", keepalive: true, headers: { "Content-Type": "application/json" }, body: JSON.stringify(payload) }).catch(function () {}); } catch (e) {} } /* Capture the email while the form is still on the page. onFormSubmitted does not reliably carry submissionValues, and by then the form may be removed. */ var lastEmail = ""; document.addEventListener("submit", function (e) { var f = e.target; if (!f || !f.querySelector) return; var i = f.querySelector('input[name="email"], input[type="email"]'); if (i && i.value) lastEmail = i.value; }, true); /* Every HubSpot form on the site reports through this one message event, so no module or theme JS needs editing to add coverage. */ window.addEventListener("message", function (e) { var d = e.data; if (!d || d.type !== "hsFormCallback" || d.eventName !== "onFormSubmitted") return; var email = (d.data && d.data.submissionValues && d.data.submissionValues.email) || lastEmail; if (!email) return; /* without an email there is no stable id to dedupe on */ var eventType = EVENT_BY_FORM[d.id] || EVENT_DEFAULT; buildEventId(email, d.id).then(function (id) { if (firedOnce(id)) return; oaiq("measure", eventType, { type: DATA_TYPE }, { event_id: id }); /* path 1 */ sendToRelay(email, d.id, eventType, id); /* path 2 */ }); }); })();

91ÊÓƵ

How much is RTO costing you this season? Find out

Book a demo
D2C Shipping
Multi-Carrier Integrations Branded Tracking Returns & Exchanges Failed Delivery Management Delivery Date Estimates Order Editing Notifications
Intelligence
Parth - AI Voice Agents COD order confirmations, NDR recovery AI Carrier Allocation 200B+ data points evaluate the best carrier per order. Apex Identifies and acts on exceptions Ally Agentic support for all channels
Specialised Shipping
ClickPost Darwin B2B and bulk shipping Hyperlocal deliveries D2C quick commerce Cross Border Ship eCommerce orders worldwide
Featured
Header Feature Festive Readiness Hub Everything you need to hold delivery promises through peak season. Get ready
Integrations
Carriers 700+ carriers across 30+ countries Storefronts Shopify, Magento, WooCommerce and more WMS/OMS Sync orders and inventory both ways Communication gateways WhatsApp, SMS, email and voice
Use cases by category
Fashion and lifestyle Beauty and cosmetics Home decor and furniture Health and Wellness Consumer Electronics
Tool
ROI Calculator (1) NDR ROI Calculator See what a 40% RTO cut is worth on your monthly volume. Run the numbers
Resources
Blog Deep dives & guides Ebooks & reports Research & benchmarks Assessments Tools to assess your D2C operations Alternatives Compare Logistics & Shipping Platforms
New report
RTO Playbook (1) 90-Day RTO Reduction Playbook Go from diagnosis to a 25% cut in RTO in 90 days. Get the playbook
India US
Customers
91ÊÓƵ
Book a demo
Peak season planner 2026

How much will RTO
cost you this season?

Answer 4 questions to see your RTO cost, how you compare with your category, and what to fix first.

Question 1 of 4

What do you sell?

Pick the closest match.

  • ₹545 cr

    came back as RTO last festive season
    Across brands on ClickPost, Oct to Nov 2025

  • Up to 16x

    more RTO on cash orders than prepaid
    Fashion brands, Oct to Nov 2025

  • 12%

    of Tier 3 orders come back
    Against 6.6% from metros

ClickPost analysis of 35.8M orders, 1 October to 30 November 2025

. window.disableHubSpotCookieBanner = true; function killNative() { var n = document.getElementById("hs-eu-cookie-confirmation"); if (n && n.parentNode) { n.parentNode.removeChild(n); return true; } return false; } killNative(); if (window.MutationObserver) { var mo = new MutationObserver(function () { killNative(); }); mo.observe(document.documentElement, { childList: true, subtree: true }); setTimeout(function () { mo.disconnect(); }, 15000); } var COOKIE = "cp_cookie_consent"; var EU = ["at","be","bg","hr","cy","cz","dk","ee","fi","fr","de","gr","hu","ie","it","lv","lt","lu","mt","nl","pl","pt","ro","sk","si","es","se","gb","uk","is","li","no","ch"]; function readCookie(nm) { var m = document.cookie.match(new RegExp("(?:^|; )" + nm + "=([^;]*)")); return m ? decodeURIComponent(m[1]) : null; } function writeCookie(nm, val, days) { var d = new Date(); d.setTime(d.getTime() + (days * 864e5)); document.cookie = nm + "=" + encodeURIComponent(val) + ";expires=" + d.toUTCString() + ";path=/;SameSite=Lax" + (location.protocol === "https:" ? ";Secure" : ""); } function stored() { var raw = readCookie(COOKIE); if (!raw) return null; try { var o = JSON.parse(raw); if (typeof o.analytics === "boolean") return o; } catch (e) {} return null; } function apply(state, revoke) { window._hsp = window._hsp || []; window._hsp.push(["setHubSpotConsent", { analytics: !!state.analytics, advertisement: !!state.advertisement, functionality: !!state.functionality }]); if (revoke && !state.analytics && !state.advertisement && !state.functionality) { window._hsp.push(["revokeCookieConsent"]); } window.dataLayer = window.dataLayer || []; window.dataLayer.push({ event: "cp_cookie_consent", cp_consent_analytics: !!state.analytics, cp_consent_advertisement: !!state.advertisement, cp_consent_functionality: !!state.functionality }); document.documentElement.setAttribute("data-cp-consent", "set"); } function inScope(banner) { if (banner.getAttribute("data-scope") !== "eu_only") return true; var geo = (document.body.getAttribute("data-geo_location") || "").toLowerCase(); if (!geo) return true; return EU.indexOf(geo) !== -1; } function init(banner) { var days = parseInt(banner.getAttribute("data-days"), 10) || 180; var prefs = banner.querySelector("[data-cpcb-prefs]"); var compact = banner.querySelector('[data-cpcb-actions="compact"]'); var expanded = banner.querySelector('[data-cpcb-actions="expanded"]'); var toggles = banner.querySelectorAll("[data-cpcb-toggle]"); function show() { banner.hidden = false; requestAnimationFrame(function () { banner.classList.add("is-visible"); }); } function hide() { banner.classList.remove("is-visible"); setTimeout(function () { banner.hidden = true; }, 300); } function collapse() { if (!prefs) return; prefs.hidden = true; if (expanded) expanded.hidden = true; if (compact) compact.hidden = false; } function expand() { if (!prefs) return; prefs.hidden = false; if (compact) compact.hidden = true; if (expanded) expanded.hidden = false; } function paint(state) { Array.prototype.forEach.call(toggles, function (t) { var key = t.getAttribute("data-cpcb-toggle"); if (key === "necessary") { t.setAttribute("aria-checked", "true"); return; } t.setAttribute("aria-checked", state[key] ? "true" : "false"); }); } function fromToggles() { var state = { analytics: false, advertisement: false, functionality: false }; Array.prototype.forEach.call(toggles, function (t) { var key = t.getAttribute("data-cpcb-toggle"); if (key in state) state[key] = t.getAttribute("aria-checked") === "true"; }); return state; } function commit(state, revoke) { writeCookie(COOKIE, JSON.stringify({ analytics: !!state.analytics, advertisement: !!state.advertisement, functionality: !!state.functionality, v: 1, ts: Date.now() }), days); apply(state, revoke); hide(); } Array.prototype.forEach.call(toggles, function (t) { if (t.disabled) return; t.addEventListener("click", function () { t.setAttribute("aria-checked", t.getAttribute("aria-checked") === "true" ? "false" : "true"); }); }); banner.addEventListener("click", function (e) { if (!e.target || !e.target.closest) return; var btn = e.target.closest("[data-cpcb-action]"); if (!btn) return; var action = btn.getAttribute("data-cpcb-action"); if (action === "customise") { expand(); return; } if (action === "accept") { commit({ analytics: true, advertisement: true, functionality: true }, false); return; } if (action === "reject") { commit({ analytics: false, advertisement: false, functionality: false }, true); return; } if (action === "save") { commit(fromToggles(), true); return; } }); var existing = stored(); if (existing) { apply(existing, false); paint(existing); collapse(); } else if (!inScope(banner)) { // Out of the consent-required region: implied consent, banner never shown. commitSilently(); } else { collapse(); show(); } function commitSilently() { var all = { analytics: true, advertisement: true, functionality: true }; writeCookie(COOKIE, JSON.stringify({ analytics: true, advertisement: true, functionality: true, v: 1, ts: Date.now(), implied: true }), days); apply(all, false); } // Public re-open hook for a footer "Cookie settings" link. window.cpCookieBanner = window.cpCookieBanner || {}; window.cpCookieBanner.open = function () { var s = stored() || { analytics: false, advertisement: false, functionality: false }; paint(s); expand(); show(); }; } function boot() { var banners = document.querySelectorAll("[data-cpcb]"); if (!banners.length) return; init(banners[0]); document.addEventListener("click", function (e) { if (!e.target || !e.target.closest) return; var trigger = e.target.closest("[data-cp-cookie-settings]"); if (!trigger) return; e.preventDefault(); if (window.cpCookieBanner && window.cpCookieBanner.open) window.cpCookieBanner.open(); }); } if (document.readyState === "loading") { document.addEventListener("DOMContentLoaded", boot); } else { boot(); } })();