[{"key":"exp-019-advice-hide-the-product-carousel-for-nonmembers","changeId":"23419a574aeef84010015df90a2f5f0ff7013d3cc0bfd6891ed145a67e844fbd","status":"stopped","variations":[{"css":"","js":"","domMutations":[]},{"css":"","js":"","domMutations":[{"selector":"[class*='GridItemArticle_footer']","action":"set","attribute":"style","value":"display: none"},{"selector":".sharing-options-vertical","action":"set","attribute":"style","value":"display: none"},{"selector":"[data-testid=\"hide-on-article-scroll\"]","action":"set","attribute":"style","value":"display: none"}]},{"css":"","js":"","domMutations":[{"selector":"[class^='GridItemArticle_footer']","action":"set","attribute":"style","value":"display: none"},{"selector":".sharing-options-vertical","action":"set","attribute":"style","value":"display: none"},{"selector":".sidebar .associated-articles:nth-of-type(2)","action":"set","attribute":"style","value":"display: none"},{"selector":"[data-testid=\"hide-on-article-scroll\"]","action":"set","attribute":"style","value":"display: none"}]}],"hashVersion":2,"hashAttribute":"","urlPatterns":[{"include":true,"type":"regex","pattern":"^https:\\/\\/www\\.which\\.co\\.uk\\/(?!.*new-and-used-cars)(?:reviews\\/[^\\/]+\\/article\\/[^\\/?#]*).*"}],"weights":[0.3334,0.3333,0.3333],"meta":[{"key":"0","name":"Control"},{"key":"1","name":"No carousels or social"},{"key":"2","name":"V1 + No Related articles"}],"filters":[],"seed":"8ab70c3b-704b-4348-b5d5-987c9789535d","name":"EXP 019 [Advice] Hide the product carousel & other noise","phase":"0","force":2,"coverage":1},{"key":"mobile-pp-test","changeId":"ff119153d7eb5db241dd1ea040d811693397f55c82bf7e059ca75777272a8477","status":"draft","variations":[{"css":"","js":"","domMutations":[]},{"css":"","js":"(function() {\n // 1. Mobile Check\n const isMobile = window.innerWidth <= 768;\n if (!isMobile) return;\n\n // 2. Polling: Wait for BOTH the Article and the Destination Grid\n const intervalId = setInterval(function() {\n \n // Selector for the Article (using wildcard for safety)\n const articleElement = document.querySelector('article[class*=\"LoggedOutMemberBenefits_panel\"]');\n \n // Selector for the Destination (The Featured Links Grid)\n const destinationContainer = document.querySelector('section[data-testid=\"featuredLinks\"] section[data-testid=\"grid\"]');\n\n // Only proceed if BOTH exist\n if (articleElement && destinationContainer) {\n clearInterval(intervalId);\n\n // --- PART A: Edit Content (Slimline) ---\n const legalSmallPrint = articleElement.querySelector('p[class*=\"SignupButton_caption\"]');\n \n if (legalSmallPrint) {\n const parentOfLegalSmallPrint = legalSmallPrint.parentElement;\n \n // Remove siblings after legal print\n let currentNode = parentOfLegalSmallPrint.nextElementSibling;\n while (currentNode) {\n const next = currentNode.nextElementSibling;\n currentNode.remove();\n currentNode = next;\n }\n\n // Remove Footer\n const footerElement = articleElement.querySelector('[class*=\"ContextualPanelFooter_footer\"]');\n if (footerElement) {\n footerElement.remove();\n }\n\n // Reset Height to auto so it shrinks to fit new content size\n articleElement.style.minHeight = 'auto';\n articleElement.style.height = 'auto';\n }\n\n // --- PART B: Reposition and Rebalance Spacing ---\n \n // Get the GRID WRAPPER (the parent div with GridItem classes)\n const gridWrapper = articleElement.closest('div[class*=\"GridItem\"]');\n\n if (gridWrapper) {\n // 1. Move it to the top\n destinationContainer.prepend(gridWrapper);\n\n // 2. Apply Styles to Fix Grid Position and Spacing\n // We use cssText to apply multiple styles at once.\n // !important is needed to override existing class styles.\n gridWrapper.style.cssText += `\n grid-column-start: 1 !important; \n grid-row-start: 1 !important;\n margin-top: 0px !important;\n margin-bottom: 32px !important; \n `;\n \n // NOTE: You can adjust '32px' above to '24px' or '40px' depending on preferred balance.\n }\n }\n }, 100); // Check every 100ms\n\n // 3. Safety Timeout: Give up after 5 seconds\n setTimeout(function() {\n clearInterval(intervalId);\n }, 5000);\n\n})();","domMutations":[]}],"hashVersion":2,"hashAttribute":"id","fallbackAttribute":"","disableStickyBucketing":false,"urlPatterns":[{"include":true,"type":"simple","pattern":"https://www.which.co.uk/"}],"weights":[0.5,0.5],"meta":[{"key":"0","name":"Control"},{"key":"1","name":"Variation 1"}],"filters":[],"seed":"0d023f85-44c1-4804-9f92-60d181bf3fcc","name":"Move Mobile PPP to the top of the page","phase":"0","coverage":1},{"key":"test-confirm-logged-status-visual-editor-attribute-re-subscribe-test","changeId":"dcb56bc157593d4d621cc4740489d19cfa436bbfecb83dc6ad8353dcb7095802","status":"draft","variations":[{"css":"","js":"","domMutations":[]},{"css":"","js":"","domMutations":[{"selector":".gn__navigationCtas-module__giftingLoggedIn-NAz8S .gn__links-module__giftLink-pYprf","action":"set","attribute":"html","value":"Buy a gift membership!"}]}],"hashVersion":2,"hashAttribute":"memberID","fallbackAttribute":"","disableStickyBucketing":false,"bucketVersion":1,"minBucketVersion":0,"urlPatterns":[{"include":true,"type":"simple","pattern":"https://www.which.co.uk/*"}],"weights":[0,1],"meta":[{"key":"0","name":"Control"},{"key":"1","name":"Variation 1"}],"filters":[],"seed":"dd8ac898-05cf-422a-b205-dbb5e0668d42","name":"Test to confirm logged in status visual editor attribute for re-subscribe test","phase":"14","condition":{"id":"317a05de-0554-4d51-b4d6-827f494c134e","memberID":{"$exists":true},"content_type":{"$regex":"which\\?-home|news|advice"}},"coverage":1},{"key":"exp-037-advice-restrict-sidebar-from-entering-footer-area","changeId":"d1d6ae708a8e18f220bc84a132c394c4492bd5f155cb78b34ca033a376d54dff","status":"running","variations":[{"css":"","js":"","domMutations":[]},{"css":"","js":"/**\n * Sticky Sidebar Collision Handler\n * * Purpose: Adjusts the 'top' position of a sticky sidebar to prevent \n * overlap with the site footer.\n * * Performance Note: Uses requestAnimationFrame to debounce scroll events \n * and avoids layout thrashing by minimizing DOM writes.\n */\n(function() {\n 'use strict';\n\n // --- Configuration ---\n const CONFIG = {\n selectors: {\n sidebar: 'aside.sidebar',\n footer: 'div.related-footer'\n },\n offsets: {\n topPadding: 32, // Distance from top of viewport\n footerBuffer: 100 // Buffer zone before hitting footer\n },\n threshold: 0.5 // Minimum pixel change to trigger a DOM write\n };\n\n // --- State ---\n let sidebarEl = null;\n let footerEl = null;\n let isTicking = false;\n\n /**\n * Updates element references. Essential for SPAs where \n * elements may be unmounted/remounted without a page refresh.\n */\n const resolveElements = () => {\n sidebarEl = document.querySelector(CONFIG.selectors.sidebar);\n footerEl = document.querySelector(CONFIG.selectors.footer);\n return !!(sidebarEl && footerEl);\n };\n\n /**\n * Main calculation and DOM update logic\n */\n const updatePosition = () => {\n // Check connectivity and re-resolve if necessary (SPA safety)\n if (!sidebarEl?.isConnected || !footerEl?.isConnected) {\n if (!resolveElements()) {\n isTicking = false;\n return;\n }\n }\n\n const footerRect = footerEl.getBoundingClientRect();\n const sidebarHeight = sidebarEl.offsetHeight;\n \n // Calculate the 'ideal' bottom edge of the sidebar\n const idealBottom = CONFIG.offsets.topPadding + sidebarHeight;\n\n // Calculate how much the sidebar would overlap with the footer\n const overlap = (idealBottom + CONFIG.offsets.footerBuffer) - footerRect.top;\n\n // Determine the target top value\n const targetTop = overlap > 0 \n ? CONFIG.offsets.topPadding - overlap \n : CONFIG.offsets.topPadding;\n\n // Optimization: Only write to the DOM if the change exceeds the threshold\n const currentTop = parseFloat(sidebarEl.style.top) || CONFIG.offsets.topPadding;\n \n if (Math.abs(currentTop - targetTop) > CONFIG.threshold) {\n sidebarEl.style.top = `${targetTop}px`;\n }\n\n isTicking = false;\n };\n\n /**\n * Scroll event coordinator\n */\n const onScroll = () => {\n if (!isTicking) {\n window.requestAnimationFrame(updatePosition);\n isTicking = true;\n }\n };\n\n /**\n * Initialization Logic\n */\n const init = () => {\n // Attach listener regardless of initial presence to handle late hydration/lazy-loading\n window.addEventListener('scroll', onScroll, { passive: true });\n \n // Initial execution\n if (resolveElements()) {\n updatePosition();\n }\n };\n\n // Execute on DOM ready or immediately if already loaded\n if (document.readyState === 'loading') {\n document.addEventListener('DOMContentLoaded', init);\n } else {\n init();\n }\n})();","domMutations":[]}],"hashVersion":2,"hashAttribute":"id","fallbackAttribute":"","disableStickyBucketing":false,"bucketVersion":1,"minBucketVersion":0,"urlPatterns":[{"include":true,"type":"regex","pattern":"^https:\\/\\/www\\.which\\.co\\.uk\\/reviews\\/.*\\/article\\/.*"}],"weights":[0,1],"meta":[{"key":"0","name":"Control"},{"key":"1","name":"Variation 1"}],"filters":[],"seed":"815ff010-2868-46c5-a545-a6f03992d85e","name":"EXP 037 [Advice] Restrict sidebar from entering footer area","phase":"13","condition":{"id":{"$regex":"317a05de-0554-4d51-b4d6-827f494c134e|2aee58cc-137b-41b2-a5a9-a0275045a949|fc4a08d3-be26-4384-88cb-0c14696b77e6"},"content_type":"advice"},"coverage":1},{"key":"visual-editor-work-registration-consent-messaging","changeId":"6376b58d65571588bc602a7addb5f57126669ae9fc55a7461017d438dd94781d","status":"running","variations":[{"css":"","js":"","domMutations":[]},{"css":"","js":"/**\n * GrowthBook Experiment: Consent UI Refactor (Optimized for Production)\n * - MutationObserver disconnects after success to save resources.\n * - Uses event delegation for cleaner logic.\n * - Minimal DOM footprints.\n */\n\n(function() {\n const CONFIG = {\n id: 'gb-consent-experiment',\n selectors: {\n emailInput: 'input#email',\n // Using attribute-contains selectors for better resilience against hashed CSS modules\n marketingHeader: '[class*=\"MarketingPreferences_marketingConsentHeading\"]',\n marketingRows: '[class*=\"MarketingPreferences_marketingConsent__\"]',\n disclaimerTexts: 'p[class*=\"Typography_sb-text-body-default-regular\"]',\n formFieldClass: 'FormField_formField'\n },\n externalIcon: ``\n };\n\n const injectStyles = () => {\n if (document.getElementById(`${CONFIG.id}-styles`)) return;\n const style = document.createElement('style');\n style.id = `${CONFIG.id}-styles`;\n style.textContent = `\n .gb-new-consent-wrapper { margin: 24px 0; font-family: Arial, sans-serif; clear: both; }\n .gb-header { font-size: 18px; font-weight: 700; margin-bottom: 8px; color: #000; }\n .gb-subheader { font-size: 14px; margin-bottom: 20px; color: #333; line-height: 1.5; }\n .gb-card { border: 1px solid #ced4da; border-radius: 8px; padding: 16px; margin-bottom: 12px; display: flex; align-items: flex-start; cursor: pointer; transition: all 0.2s ease; background: #fff; }\n .gb-card:hover { border-color: #0056b3; }\n .gb-card.selected { border-color: #0056b3; background-color: #f8fbff; }\n .gb-checkbox-ui { width: 20px; height: 20px; border: 2px solid #ced4da; border-radius: 4px; margin-right: 16px; flex-shrink: 0; position: relative; top: 2px; }\n .gb-card.selected .gb-checkbox-ui { background-color: #0056b3; border-color: #0056b3; }\n .gb-card.selected .gb-checkbox-ui::after { content: ''; position: absolute; left: 6px; top: 2px; width: 5px; height: 10px; border: solid white; border-width: 0 2px 2px 0; transform: rotate(45deg); }\n .gb-card-title-row { font-weight: 700; font-size: 16px; color: #000; margin-bottom: 4px; }\n .gb-card-desc { font-size: 14px; color: #555; line-height: 1.4; }\n .gb-legal-link { color: #0056b3; text-decoration: underline; }\n .gb-show-more-btn { background: none; border: none; color: #0056b3; padding: 0; font-size: 14px; cursor: pointer; text-decoration: underline; display: inline; margin-left: 4px; }\n .gb-more-info { display: none; margin: 12px 0 20px 0; padding: 12px; background: #f4f4f4; border-radius: 4px; font-size: 13px; color: #555; }\n .gb-more-info.expanded { display: block; }\n .gb-hidden { position: absolute !important; height: 1px !important; width: 1px !important; overflow: hidden !important; clip: rect(1px, 1px, 1px, 1px) !important; }\n `;\n document.head.appendChild(style);\n };\n\n const applyExperiment = () => {\n const emailInput = document.querySelector(CONFIG.selectors.emailInput);\n const marketingHeader = document.querySelector(CONFIG.selectors.marketingHeader);\n \n if (!emailInput || !marketingHeader || document.querySelector('.gb-new-consent-wrapper')) return false;\n\n injectStyles();\n\n const container = marketingHeader.parentElement;\n // Using [class*=\"...\"] to find the root wrapper more reliably than a full hashed class name\n const emailFieldRoot = emailInput.closest(`[class*=\"${CONFIG.selectors.formFieldClass}\"]`);\n if (!emailFieldRoot) return false;\n\n // Hide original nodes via accessibility-safe class\n container.querySelectorAll(`${CONFIG.selectors.marketingHeader}, ${CONFIG.selectors.marketingRows}, ${CONFIG.selectors.disclaimerTexts}:not(:last-of-type)`)\n .forEach(el => el.classList.add('gb-hidden'));\n\n // Inject New UI\n const html = `\n `;\n \n emailFieldRoot.insertAdjacentHTML('afterend', html);\n\n // Logic Bindings\n const setupCard = (id, consentName) => {\n const card = document.getElementById(id);\n if (!card) return;\n\n const syncState = () => {\n const yesRadio = document.querySelector(`input[name=\"${consentName}Consent\"][value=\"Yes\"]`);\n card.classList.toggle('selected', !!(yesRadio && yesRadio.checked));\n };\n\n card.addEventListener('click', () => {\n const targetValue = card.classList.contains('selected') ? 'No' : 'Yes';\n const targetRadio = document.querySelector(`input[name=\"${consentName}Consent\"][value=\"${targetValue}\"]`);\n if (targetRadio) {\n targetRadio.click();\n targetRadio.dispatchEvent(new Event('change', { bubbles: true }));\n }\n syncState();\n });\n syncState();\n };\n\n const toggleBtn = document.getElementById('gb-toggle-info');\n if (toggleBtn) {\n toggleBtn.addEventListener('click', (e) => {\n e.preventDefault();\n const content = document.getElementById('gb-more-info-content');\n const isExpanded = content.classList.toggle('expanded');\n toggleBtn.textContent = isExpanded ? 'Show less' : 'Show more';\n });\n }\n\n setupCard('gb-card-email', 'email');\n setupCard('gb-card-post', 'post');\n\n return true;\n };\n\n const observer = new MutationObserver(() => {\n if (applyExperiment()) observer.disconnect();\n });\n\n observer.observe(document.body, { childList: true, subtree: true });\n applyExperiment();\n})();","domMutations":[]}],"hashVersion":2,"hashAttribute":"id","fallbackAttribute":"","disableStickyBucketing":false,"bucketVersion":1,"minBucketVersion":0,"urlPatterns":[{"include":true,"type":"simple","pattern":"https://www.which.co.uk/registration"}],"weights":[0,1],"meta":[{"key":"0","name":"Control"},{"key":"1","name":"Variation 1"}],"filters":[],"seed":"f14b2541-9d7c-427d-8752-96dba89a17b1","name":"Consent selection test QA","phase":"1","condition":{"id":{"$regex":"317a05de-0554-4d51-b4d6-827f494c134e|2aee58cc-137b-41b2-a5a9-a0275045a949"}},"coverage":1},{"key":"payment-upsell-test","changeId":"8eab416ba71265d7b89d782f3ecb78d3b2272b9dcd4682f7022c19d3416ba468","status":"draft","variations":[{"css":"","js":"","domMutations":[]},{"css":"","js":"(function() {\n const CONFIG = {\n id: 'gb-upgrade-annual-v1',\n offers: {\n 'digital': {\n targetName: 'Digital',\n currentPeriod: 'Month',\n upgradeRate: '8a28b30e9bf8f843019c0f017fc80bba',\n upgradeProduct: '8a28c43c8b8b0115018ba4e4335541f4',\n headline: 'Save £18.88 every year',\n subline: 'Switch to Annual for just £89 (equivalent to £7.42/mo).'\n },\n 'full access': {\n targetName: 'Full Access',\n currentPeriod: 'Month',\n upgradeRate: '8a28b30e9bf8f843019c0f017fef0bbc',\n upgradeProduct: '8a28c9d78cf77775018cf886631207f6',\n headline: 'Save £34.88 every year',\n subline: 'Switch to Annual for just £109 (equivalent to £9.08/mo).'\n }\n },\n selectors: {\n container: '[class*=\\\"FeaturesPanel_container__\\\"]', // Targeted outer wrapper\n title: '[data-testid=\\\"product-title\\\"]'\n }\n };\n\n if (window[`__run_${CONFIG.id}`]) return;\n window[`__run_${CONFIG.id}`] = true;\n\n const injectStyles = () => {\n if (document.getElementById(`${CONFIG.id}-styles`)) return;\n const style = document.createElement('style');\n style.id = `${CONFIG.id}-styles`;\n style.textContent = `\n .gb-v1-card {\n margin-top: 24px; /* Space between separate panels */\n padding: 20px;\n background: #f0f7fd; /* Soft blue brand background */\n border: 1px solid #d0e4f5;\n border-left: 6px solid #0056b3;\n border-radius: 8px;\n box-shadow: 0 2px 4px rgba(0,0,0,0.05);\n font-family: Arial, sans-serif;\n animation: gbFadeIn 0.4s ease-out;\n }\n .gb-v1-tag {\n display: inline-block;\n background: #0056b3;\n color: #fff;\n font-size: 11px;\n font-weight: 700;\n padding: 2px 8px;\n border-radius: 2px;\n margin-bottom: 10px;\n text-transform: uppercase;\n letter-spacing: 0.5px;\n }\n .gb-v1-head { \n font-weight: 700; \n font-size: 17px; \n margin-bottom: 6px; \n color: #E81C30; /* Highlighted Red for Save text */\n }\n .gb-v1-sub { \n font-size: 14px; \n color: #333; \n margin-bottom: 16px; \n line-height: 1.5; \n }\n .gb-v1-btn {\n display: inline-block;\n background: transparent; /* Hollow button style */\n border: 1px solid #0056b3;\n color: #0056b3;\n padding: 10px 24px;\n font-weight: 700;\n cursor: pointer;\n border-radius: 24px;\n transition: all 0.2s ease-in-out;\n font-size: 14px;\n }\n .gb-v1-btn:hover { \n background: #0056b3; \n color: #fff; \n }\n @keyframes gbFadeIn {\n from { opacity: 0; transform: translateY(10px); }\n to { opacity: 1; transform: translateY(0); }\n }\n `;\n document.head.appendChild(style);\n };\n\n const apply = () => {\n const titleEl = document.querySelector(CONFIG.selectors.title);\n const container = document.querySelector(CONFIG.selectors.container);\n if (!titleEl || !container || document.querySelector('.gb-v1-card')) return;\n\n const text = titleEl.innerText.toLowerCase();\n const offer = text.includes('full access') ? CONFIG.offers['full access'] : \n (text.includes('digital') ? CONFIG.offers['digital'] : null);\n\n // Only target Monthly plans\n if (!offer || !text.includes('month')) return;\n\n injectStyles();\n const html = `\n

\n Best Value Upgrade\n

${offer.headline}

${offer.subline}

\n \n

\n `;\n \n // Injects as a sibling after the entire features container section\n container.insertAdjacentHTML('afterend', html);\n\n const btn = document.getElementById('gb-v1-upgrade');\n if (btn) {\n btn.addEventListener('click', (e) => {\n e.preventDefault();\n const url = new URL(window.location.href);\n url.searchParams.set('productId', offer.upgradeProduct);\n url.searchParams.set('rateId', offer.upgradeRate);\n window.location.href = url.toString();\n });\n }\n };\n\n const obs = new MutationObserver(apply);\n obs.observe(document.body, { childList: true, subtree: true });\n apply();\n})();","domMutations":[]},{"css":"","js":"(function() {\n const CONFIG = {\n id: 'gb-upgrade-annual-v2',\n offers: {\n 'digital': {\n upgradeRate: '8a28b30e9bf8f843019c0f017fc80bba',\n upgradeProduct: '8a28c43c8b8b0115018ba4e4335541f4',\n msg: 'Save £18.88 by switching to Annual. Pay the equivalent of just £7.42 a month.'\n },\n 'full access': {\n upgradeRate: '8a28b30e9bf8f843019c0f017fef0bbc',\n upgradeProduct: '8a28c9d78cf77775018cf886631207f6',\n msg: 'Save £34.88 and get 12 issues of Which? Magazine. Switch to Annual for £109.'\n }\n },\n selectors: {\n panelHeader: '[class*=\"FeaturesPanel_header__\"]',\n title: '[data-testid=\"product-title\"]'\n }\n };\n\n if (window[`__run_${CONFIG.id}`]) return;\n window[`__run_${CONFIG.id}`] = true;\n\n const injectStyles = () => {\n if (document.getElementById(`${CONFIG.id}-styles`)) return;\n const style = document.createElement('style');\n style.id = `${CONFIG.id}-styles`;\n style.textContent = `\n .gb-v2-banner {\n margin: 0;\n padding: 12px 16px;\n background: #fdfdfd;\n border-top: 1px solid #eee;\n border-bottom: 1px solid #eee;\n display: flex;\n flex-direction: column;\n gap: 12px;\n font-family: Arial, sans-serif;\n }\n .gb-v2-flex { display: flex; gap: 8px; align-items: flex-start; }\n .gb-v2-text { font-size: 13px; color: #333; line-height: 1.4; }\n .gb-v2-text strong { color: #E81C30; } /* Highlighted Red for Save and Price */\n .gb-v2-action {\n align-self: flex-start;\n color: #0056b3;\n font-weight: 700;\n cursor: pointer;\n font-size: 13px;\n background: transparent;\n border: 1px solid #0056b3;\n padding: 6px 16px;\n border-radius: 20px;\n text-align: center;\n transition: all 0.2s ease-in-out;\n }\n .gb-v2-action:hover {\n background: #0056b3;\n color: #fff;\n text-decoration: none;\n }\n `;\n document.head.appendChild(style);\n };\n\n const apply = () => {\n const titleEl = document.querySelector(CONFIG.selectors.title);\n const header = document.querySelector(CONFIG.selectors.panelHeader);\n if (!titleEl || !header || document.querySelector('.gb-v2-banner')) return;\n\n const text = titleEl.innerText.toLowerCase();\n const offer = text.includes('full access') ? CONFIG.offers['full access'] : \n (text.includes('digital') ? CONFIG.offers['digital'] : null);\n\n if (!offer || !text.includes('month')) return;\n\n injectStyles();\n const html = `\n \n `;\n \n // Injects directly below the header inside the box\n header.insertAdjacentHTML('afterend', html);\n\n const btn = document.getElementById('gb-v2-upgrade');\n if (btn) {\n btn.addEventListener('click', (e) => {\n e.preventDefault();\n const url = new URL(window.location.href);\n url.searchParams.set('productId', offer.upgradeProduct);\n url.searchParams.set('rateId', offer.upgradeRate);\n window.location.href = url.toString();\n });\n }\n };\n\n const obs = new MutationObserver(apply);\n obs.observe(document.body, { childList: true, subtree: true });\n apply();\n})();","domMutations":[]},{"css":"","js":"(function() {\n const CONFIG = {\n id: 'gb-upgrade-annual-v3',\n offers: {\n 'digital': {\n upgradeRate: '8a28b30e9bf8f843019c0f017fc80bba',\n upgradeProduct: '8a28c43c8b8b0115018ba4e4335541f4',\n label: 'Switch to Annual: £89/yr (Save £18.88)'\n },\n 'full access': {\n upgradeRate: '8a28b30e9bf8f843019c0f017fef0bbc',\n upgradeProduct: '8a28c9d78cf77775018cf886631207f6',\n label: 'Switch to Annual: £109/yr (Save £34.88)'\n }\n },\n selectors: {\n container: '[class*=\"FeaturesPanel_container__\"]', // Targeted the full section wrapper\n title: '[data-testid=\"product-title\"]'\n }\n };\n\n if (window[`__run_${CONFIG.id}`]) return;\n window[`__run_${CONFIG.id}`] = true;\n\n const injectStyles = () => {\n if (document.getElementById(`${CONFIG.id}-styles`)) return;\n const style = document.createElement('style');\n style.id = `${CONFIG.id}-styles`;\n style.textContent = `\n .gb-v3-module {\n padding: 16px;\n display: flex;\n flex-direction: column;\n gap: 10px;\n margin-top: 24px; /* Distinct space between the separate panels */\n background: #ffffff;\n border: 1px solid #e0e0e0;\n border-radius: 8px;\n box-shadow: 0 2px 4px rgba(0,0,0,0.05);\n font-family: Arial, sans-serif;\n }\n .gb-v3-content {\n display: flex;\n justify-content: space-between;\n align-items: center;\n gap: 16px;\n }\n .gb-v3-label { \n font-size: 14px; \n font-weight: 700; \n color: #333; \n line-height: 1.4;\n }\n .gb-v3-save { color: #E81C30; } /* Highlighting the savings in red */\n .gb-v3-link {\n font-size: 13px;\n color: #0056b3;\n font-weight: 700;\n cursor: pointer;\n text-decoration: none;\n border: 1px solid #0056b3;\n padding: 8px 16px;\n border-radius: 20px;\n transition: all 0.2s ease-in-out;\n background: #fff;\n white-space: nowrap;\n text-align: center;\n }\n .gb-v3-link:hover { \n background: #0056b3; \n color: #fff; \n }\n `;\n document.head.appendChild(style);\n };\n\n const apply = () => {\n const titleEl = document.querySelector(CONFIG.selectors.title);\n const container = document.querySelector(CONFIG.selectors.container);\n \n // Ensure container is present and we haven't already injected\n if (!titleEl || !container || document.querySelector('.gb-v3-module')) return;\n\n const text = titleEl.innerText.toLowerCase();\n const offer = text.includes('full access') ? CONFIG.offers['full access'] : \n (text.includes('digital') ? CONFIG.offers['digital'] : null);\n\n // Only target Monthly plans\n if (!offer || !text.includes('month')) return;\n\n injectStyles();\n \n const html = `\n

\n ${offer.label}\n Switch to Annual\n

\n `;\n \n // Injects as a sibling after the entire features container section\n container.insertAdjacentHTML('afterend', html);\n\n const btn = document.getElementById('gb-v3-upgrade');\n if (btn) {\n btn.addEventListener('click', (e) => {\n e.preventDefault();\n const url = new URL(window.location.href);\n url.searchParams.set('productId', offer.upgradeProduct);\n url.searchParams.set('rateId', offer.upgradeRate);\n window.location.href = url.toString();\n });\n }\n };\n\n const obs = new MutationObserver(apply);\n obs.observe(document.body, { childList: true, subtree: true });\n apply();\n})();","domMutations":[]}],"hashVersion":2,"hashAttribute":"id","fallbackAttribute":"","disableStickyBucketing":false,"bucketVersion":1,"minBucketVersion":0,"urlPatterns":[{"include":true,"type":"simple","pattern":"https://www.which.co.uk/join/checkout/payment?productId=8a28c43c8b8b0115018ba4e4335541f4&rateId=8a28f8018b8b0100018ba4e89d37708b"},{"include":true,"type":"simple","pattern":"https://www.which.co.uk/join/checkout/payment?rateId=8a28d7ac9222ee540192357ac1b94c12&productId=8a28c9d78cf77775018cf886631207f6"}],"weights":[0.25,0.25,0.25,0.25],"meta":[{"key":"0","name":"Control"},{"key":"1","name":"Variation 1"},{"key":"2","name":"Variation 2"},{"key":"3","name":"Variation 3"}],"filters":[],"seed":"78f91404-bdf8-4a5f-8fe0-c71561dd7df4","name":"Payment upsell test","phase":"0","condition":{"id":"317a05de-0554-4d51-b4d6-827f494c134e"},"coverage":1},{"key":"offers-page-visual-editor-fragments-test","changeId":"cc23c88cf8d397c325356db28a915ce3436f0ea4dfecb9aa428220391df25463","status":"draft","variations":[{"css":"","js":"","domMutations":[]},{"css":"","js":"","domMutations":[{"selector":".OfferHero_offerHero__0f66j ._sb-text-heading-large_18sav_50","action":"set","attribute":"html","value":"Try Which? Digital for just £5!"}]}],"hashVersion":2,"hashAttribute":"id","fallbackAttribute":"","disableStickyBucketing":false,"urlPatterns":[{"include":true,"type":"simple","pattern":"https://www.which.co.uk/join/offer/atl-digital-monthly-5pounds-3.26"}],"weights":[0.5,0.5],"meta":[{"key":"0","name":"Control"},{"key":"1","name":"Variation 1"}],"filters":[],"seed":"238cf3c3-792c-4781-8048-bbc6e878862c","name":"Offers page visual editor with no Fragments test","phase":"0","coverage":1},{"key":"dsp-032-sitewide-laptop-helper-poc","changeId":"b683a3cfa4bcdc29c9db07fb512d7ebc0443172c1488c977bbb71e82e56ffde3","status":"draft","variations":[{"css":"","js":"","domMutations":[]},{"css":"","js":"/**\n * GrowthBook Experiment: Guided Laptop Widget\n * Description: Injects a multi-step guided help widget below the breadcrumbs.\n * The widget expands as an overlay (dropdown) to avoid pushing page content down.\n * Uses localStorage to remember the user's current step across page loads.\n */\n\n(function () {\n 'use strict';\n\n const CONFIG = {\n id: 'gb-guided-laptop-widget',\n experimentId: 'gb-guided-laptop-widget', // Matches item_group in tracking\n storageKey: 'gb_guided_laptop_step', // Key to remember user's state\n selectors: {\n // Target the breadcrumb section directly based on the site's HTML\n target: '[data-testid=\"breadcrumb\"]',\n // Fallback in case data-testid is removed\n fallback: 'header[class*=\"Breadcrumb_breadcrumb__\"]'\n },\n copy: {\n expert: {\n name: 'Oliver Trebilcock',\n title: 'Which? laptop expert',\n quote: '\"From helping you understand the difference between a Macbook and a Chromebook to picking the best models from hundreds of tests, I’ve done the research so you can be confident in your choice\"'\n }\n },\n // High-quality UI placeholder for the expert\n expertImg: 'https://images.unsplash.com/photo-1560250097-0b93528c311a?auto=format&fit=crop&q=80&w=120&h=120'\n };\n\n // Event Tracking Helper (GA4 / GTM Standardized)\n const trackEvent = (itemText = undefined, parentText = undefined) => {\n window.dataLayer = window.dataLayer || [];\n window.dataLayer.push({\n 'event': 'notification_ab_test',\n 'item_text': itemText,\n 'item_parent_text': parentText,\n 'item_group': CONFIG.experimentId\n });\n };\n\n // SPA Guard\n if (window[`__run_${CONFIG.id}`]) return;\n window[`__run_${CONFIG.id}`] = true;\n\n const injectStyles = () => {\n if (document.getElementById(`${CONFIG.id}-styles`)) return;\n const style = document.createElement('style');\n style.id = `${CONFIG.id}-styles`;\n style.textContent = `\n /* Container & Layout */\n .gb-widget-root {\n font-family: inherit;\n background-color: #FFF9C4;\n width: 100%;\n box-sizing: border-box;\n border-bottom: 1px solid #e0e0e0;\n position: relative;\n display: block;\n z-index: 100; /* High z-index to overlay content below */\n }\n\n .gb-widget-root *, \n .gb-widget-root *::before, \n .gb-widget-root *::after {\n box-sizing: inherit;\n }\n\n /* Step 0: Initial Bar */\n .gb-step-bar {\n display: flex;\n align-items: center;\n padding: 14px 16px;\n cursor: pointer;\n justify-content: space-between;\n border: none;\n background: transparent;\n width: 100%;\n text-align: left;\n }\n .gb-bar-content {\n display: flex;\n align-items: center;\n gap: 12px;\n font-weight: 700;\n font-size: 16px;\n color: #000;\n }\n .gb-icon-bulb { width: 28px; height: 28px; flex-shrink: 0; }\n .gb-chevron {\n transition: transform 0.3s;\n width: 20px;\n height: 20px;\n flex-shrink: 0;\n }\n .gb-open .gb-chevron { transform: rotate(180deg); }\n\n /* Panel Wrapper - Acts as an absolute overlay */\n .gb-panel-wrapper {\n position: absolute;\n top: 100%;\n left: 0;\n width: 100%;\n background-color: #FFF9C4;\n z-index: 101;\n box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1);\n border-bottom: 2px solid #e0e0e0;\n display: none; /* Hidden by default */\n }\n .gb-widget-root.gb-open .gb-panel-wrapper {\n display: block; /* Show when widget is open */\n }\n\n /* Panel Common */\n .gb-panel {\n padding: 0 16px 24px 16px;\n display: none;\n animation: gbFadeIn 0.2s ease-out;\n }\n .gb-panel.active { display: block; }\n \n @keyframes gbFadeIn {\n from { opacity: 0; transform: translateY(-5px); }\n to { opacity: 1; transform: translateY(0); }\n }\n \n .gb-back-btn {\n display: inline-flex;\n align-items: center;\n gap: 4px;\n background: none;\n border: none;\n color: #0050B3;\n font-weight: 700;\n cursor: pointer;\n margin-bottom: 16px;\n padding: 0;\n font-family: inherit;\n font-size: 14px;\n }\n\n .gb-title {\n font-size: 1.25rem;\n font-weight: 800;\n margin: 0 0 16px 0;\n line-height: 1.2;\n color: #000;\n }\n\n /* Buttons/Cards */\n .gb-btn-group {\n display: flex;\n flex-direction: column;\n gap: 12px;\n margin-bottom: 20px;\n }\n @media (min-width: 768px) {\n .gb-btn-group-row { flex-direction: row; flex-wrap: wrap; }\n }\n\n .gb-card-btn {\n background: #fff;\n border: 1px solid #000;\n padding: 12px 16px;\n border-radius: 4px;\n text-align: left;\n font-weight: 700;\n cursor: pointer;\n font-size: 15px;\n transition: background 0.2s;\n font-family: inherit;\n color: #000;\n }\n .gb-card-btn:hover { background: #f9f9f9; }\n\n /* Expert Box */\n .gb-expert-box {\n background-color: #CCEEFF;\n padding: 20px;\n border: 1px solid #000;\n text-align: center;\n margin-top: 10px;\n border-radius: 4px;\n }\n .gb-expert-img {\n width: 70px;\n height: 70px;\n border-radius: 50%;\n background: #fff;\n margin: 0 auto 12px;\n border: 2px solid #000;\n overflow: hidden;\n }\n .gb-expert-img img {\n width: 100%;\n height: 100%;\n object-fit: cover;\n display: block;\n }\n .gb-expert-quote {\n font-style: italic;\n font-size: 14px;\n margin-bottom: 12px;\n line-height: 1.5;\n color: #333;\n }\n .gb-expert-name { font-weight: 800; margin-bottom: 2px; }\n .gb-expert-title { font-size: 13px; color: #444; }\n\n /* Result Box */\n .gb-result-box {\n background: #fff;\n border: 1px solid #ccc;\n padding: 16px;\n border-radius: 4px;\n margin-bottom: 12px;\n }\n .gb-result-title { \n font-weight: 800; \n margin-bottom: 4px; \n display: block; \n color: #0050B3;\n text-decoration: underline;\n }\n .gb-result-desc { font-size: 14px; color: #333; line-height: 1.4; }\n `;\n document.head.appendChild(style);\n };\n\n const createWidget = () => {\n const root = document.createElement('div');\n root.className = 'gb-widget-root';\n root.id = CONFIG.id;\n\n root.innerHTML = `\n \n \n\n \n

\n \n

Would you like us to help you find your perfect laptop?

\n \n \n

\n $\"${CONFIG.copy.expert.name}\"$ \n

${CONFIG.copy.expert.quote}

${CONFIG.copy.expert.name}

${CONFIG.copy.expert.title}

\n\n \n

\n \n

Which stage are you at?

\n \n \n \n

\n\n \n

\n \n

Learn about laptops & clarify your needs

\n Laptops 101\n

Understand the basics of laptops, including what CPUs and GPUs are

\n How to choose a laptop\n

Considerations to be aware of when deciding what you need

\n\n \n

\n \n

How would you prefer to choose?

\n \n \n

\n\n \n

\n \n

Find out about a particular product

\n Search or Filter\n

Use our search bar or brand filters to find the exact model you're interested in.

\n Compare against our top picks\n

Visit our Best Laptops 2026 article and use \"Add to compare\" to see them side-by-side.

\n `;\n\n // Interaction Logic\n const toggle = root.querySelector('#gb-toggle');\n const panels = root.querySelectorAll('.gb-panel');\n const closeBtn = root.querySelector('#gb-close');\n\n const showPanel = (id) => {\n panels.forEach(p => p.classList.remove('active'));\n if (id) {\n const target = root.querySelector(`#gb-panel-${id}`);\n if (target) {\n target.classList.add('active');\n root.classList.add('gb-open');\n toggle.setAttribute('aria-expanded', 'true');\n // Save state securely\n try { localStorage.setItem(CONFIG.storageKey, id); } catch(e) {}\n \n trackEvent('Panel Rendered', `Step ${id}`);\n }\n } else {\n root.classList.remove('gb-open');\n toggle.setAttribute('aria-expanded', 'false');\n }\n };\n\n toggle.addEventListener('click', () => {\n if (root.classList.contains('gb-open')) {\n trackEvent('Collapse Header', 'Global Widget Toggle');\n showPanel(null);\n } else {\n // Open to the last saved step or default to 1\n let stepToOpen = '1';\n try {\n const savedState = localStorage.getItem(CONFIG.storageKey);\n // Prevent bugs from previous versions that saved 'closed' or invalid states\n if (savedState && savedState !== 'closed' && root.querySelector(`#gb-panel-${savedState}`)) {\n stepToOpen = savedState;\n }\n } catch(e) {}\n \n trackEvent('Expand Header', 'Global Widget Toggle');\n showPanel(stepToOpen);\n }\n });\n\n root.addEventListener('click', (e) => {\n const next = e.target.closest('[data-next]');\n const back = e.target.closest('[data-back]');\n const hrefBtn = e.target.closest('[data-href]');\n const link = e.target.closest('a');\n \n // Determine current step for context in tracking\n const currentStep = Array.from(panels).find(p => p.classList.contains('active'))?.id.replace('gb-panel-', '') || 'unknown';\n \n if (next) {\n trackEvent(next.innerText.trim(), `Step ${currentStep}`);\n showPanel(next.dataset.next);\n }\n if (back) {\n trackEvent('Back Button', `Step ${currentStep}`);\n showPanel(back.dataset.back);\n }\n if (hrefBtn) {\n trackEvent(hrefBtn.innerText.trim(), `Step ${currentStep}`);\n window.location.href = hrefBtn.dataset.href;\n }\n if (link) {\n trackEvent(link.innerText.trim() || link.href, `Step ${currentStep}`);\n }\n });\n\n closeBtn.addEventListener('click', (e) => {\n e.stopPropagation();\n trackEvent('No thanks button', 'Step 1');\n showPanel(null);\n });\n\n return root;\n };\n\n const apply = () => {\n // Find the breadcrumb wrapper using data-testid first, then fallback to class\n const target = document.querySelector(CONFIG.selectors.target) || document.querySelector(CONFIG.selectors.fallback);\n const existing = document.getElementById(CONFIG.id);\n\n if (!target || existing) return false;\n\n injectStyles();\n const widget = createWidget();\n \n // Insert directly after the breadcrumb section\n target.insertAdjacentElement('afterend', widget);\n\n return true;\n };\n\n // Initialize with Observer for SPA/Dynamic loading\n const observer = new MutationObserver(() => {\n apply();\n });\n\n observer.observe(document.body, { childList: true, subtree: true });\n \n // Initial run\n apply();\n\n})();","domMutations":[]}],"hashVersion":2,"hashAttribute":"id","fallbackAttribute":"","disableStickyBucketing":false,"bucketVersion":1,"minBucketVersion":0,"urlPatterns":[{"include":true,"type":"regex","pattern":"^https://www\\.which\\.co\\.uk/reviews/laptops/.*"}],"weights":[0,1],"meta":[{"key":"0","name":"Control"},{"key":"1","name":"Variation 1"}],"filters":[],"seed":"ad6c53f5-cd64-4d7a-8c7e-95150d3aa754","name":"DSP 032 [Sitewide] Laptop Helper POC","phase":"0","condition":{"id":{"$regex":"2aee58cc-137b-41b2-a5a9-a0275045a949|65243d99-ea13-4785-9c43-a2e409646b44"}},"coverage":1},{"key":"offer-management-visual-editor-test-test","changeId":"7d1b4b7d216be7970b0edd04f7cf8a7104fb023c3cb225e4fc465811be6d0c00","status":"draft","variations":[{"css":"","js":"","domMutations":[]},{"css":"","js":"","domMutations":[{"selector":".OfferHero_offerHero__0f66j ._sb-text-heading-large_18sav_50","action":"set","attribute":"html","value":"Try Which? Digital for just £5!"}]}],"hashVersion":2,"hashAttribute":"id","fallbackAttribute":"","disableStickyBucketing":false,"urlPatterns":[{"include":true,"type":"simple","pattern":"https://www.which.co.uk/join/offer/atl-digital-monthly-5pounds-3.26"}],"weights":[0.5,0.5],"meta":[{"key":"0","name":"Control"},{"key":"1","name":"Variation 1"}],"filters":[],"seed":"0a8c57c0-24c8-451b-a6c9-93ace90e3247","name":"Offer management too visual editor test test","phase":"0","coverage":1},{"key":"homepage-visual-editor-test-test","changeId":"c0c6b8abb610b82e4042409324e4ccd77b039820c374feb14fbb8e1fcd532382","status":"draft","variations":[{"css":"","js":"","domMutations":[]},{"css":"","js":"","domMutations":[{"selector":"header ._homePageText_z3t9d_2185","action":"set","attribute":"html","value":"Discover the power in you!"}]}],"hashVersion":2,"hashAttribute":"id","fallbackAttribute":"","disableStickyBucketing":false,"urlPatterns":[{"include":true,"type":"simple","pattern":"https://www.which.co.uk/"}],"weights":[0.5,0.5],"meta":[{"key":"0","name":"Control"},{"key":"1","name":"Variation 1"}],"filters":[],"seed":"785731b3-98ca-4c4a-a16c-c88878f6ee78","name":"Homepage visual editor test test","phase":"0","coverage":1}]

Stay informed with Which?

Would you like us to help you find your perfect laptop?

Which stage are you at?

Learn about laptops & clarify your needs

How would you prefer to choose?

Find out about a particular product

Mobile phones news

2026

Five things I'd never do as a smartphones expert

Watch: How to clean your mobile phone without damaging it

Mous Limitless 6.0 vs Otterbox Defender: which is the best phone case?

How to know when it's time to replace the battery on your phone

2025

Which? files £3bn legal claim against Apple for competition law breach

Which mobile phone brands develop the most faults?

The only small smartphone we'd recommend buying

6 great alternatives to the Samsung Galaxy S25 that can save you money

How to make an emergency SOS call from your mobile phone

Samsung Galaxy A15 vs A16: what's the best cheap smartphone?

2024

Why you don't need to spend more than £350 on a mobile phone

Phone number recycling investigation

Google Pixel 8a vs Samsung Galaxy A-series: what's the best mid-range smartphone?

6 great alternatives to the Samsung Galaxy S24 that can save you money

2023

5 highlights from the Apple event 2023: iPhone 15, AirPods and more

Maxcom MM428 and Artfone CS182 simple phones on test

Face recognition on new phones easily spoofed with a printed photo

Why we love the Samsung Galaxy S23 phones (but think twice before buying one)

Samsung Galaxy XCover6 Pro: Do you really need a rugged phone?

2022

Apple self-service repair: should you try and fix your own iPhone?