{"id":9934,"date":"2025-05-16T12:49:43","date_gmt":"2025-05-16T07:19:43","guid":{"rendered":"https:\/\/easyinsights.ai\/blog\/?p=9934"},"modified":"2025-05-16T12:53:11","modified_gmt":"2025-05-16T07:23:11","slug":"understanding-gclid-wbraid-and-gbraid-how-google-is-adapting-to-ios-privacy-changes","status":"publish","type":"post","link":"https:\/\/easyinsights.ai\/blog\/understanding-gclid-wbraid-and-gbraid-how-google-is-adapting-to-ios-privacy-changes\/","title":{"rendered":"Understanding GCLID, WBRAID, and GBRAID: How Google Is Adapting to iOS Privacy Changes"},"content":{"rendered":"<span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">Reading Time: <\/span> <span class=\"rt-time\"> 6<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span>\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/easyinsights.ai\/easyinsights_wordpress\/wp-content\/uploads\/2025\/05\/1600x900-2-1024x576.png\" alt=\"Understand GCLID, WBRAID, GBRAID\" class=\"wp-image-9935\" srcset=\"https:\/\/easyinsights.ai\/easyinsights_wordpress\/wp-content\/uploads\/2025\/05\/1600x900-2-1024x576.png 1024w, https:\/\/easyinsights.ai\/easyinsights_wordpress\/wp-content\/uploads\/2025\/05\/1600x900-2-300x169.png 300w, https:\/\/easyinsights.ai\/easyinsights_wordpress\/wp-content\/uploads\/2025\/05\/1600x900-2-768x432.png 768w, https:\/\/easyinsights.ai\/easyinsights_wordpress\/wp-content\/uploads\/2025\/05\/1600x900-2-1536x864.png 1536w, https:\/\/easyinsights.ai\/easyinsights_wordpress\/wp-content\/uploads\/2025\/05\/1600x900-2.png 1600w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>With Apple&#8217;s introduction of App Tracking Transparency (ATT) and the increasing focus on user privacy in recent years, digital advertising has been undergoing a significant transformation. In particular, Google, which has traditionally relied on cookies and device identifiers to track user behavior and optimize ad campaigns, has had to adapt to these new privacy standards, especially on iOS devices. As a result, Google has rolled out new tracking mechanisms: GCLID, WBRAID, and GBRAID. These identifiers represent part of the company&#8217;s efforts to adjust to iOS&#8217;s more stringent privacy measures and still offer effective advertising solutions.<\/p>\n\n\n\n<p>In this blog, we&#8217;ll explore the differences between these three identifiers, their roles in the digital advertising ecosystem, and how they help Google continue to track and optimize ads on iOS despite the privacy shifts.<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_81 ez-toc-wrap-center counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Jump ahead to:<\/p>\n<span class=\"ez-toc-title-toggle\"><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"#\" data-href=\"https:\/\/easyinsights.ai\/blog\/understanding-gclid-wbraid-and-gbraid-how-google-is-adapting-to-ios-privacy-changes\/#What_is_GCLID\" >What is GCLID?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"#\" data-href=\"https:\/\/easyinsights.ai\/blog\/understanding-gclid-wbraid-and-gbraid-how-google-is-adapting-to-ios-privacy-changes\/#What_Are_WBRAID_GBRAID_and_How_Are_They_Different_from_GCLID\" >What Are WBRAID &amp; GBRAID, and How Are They Different from GCLID?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"#\" data-href=\"https:\/\/easyinsights.ai\/blog\/understanding-gclid-wbraid-and-gbraid-how-google-is-adapting-to-ios-privacy-changes\/#How_are_WBRAID_GBRAID_Different_from_GCLID\" >How are WBRAID &amp; GBRAID Different from GCLID?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"#\" data-href=\"https:\/\/easyinsights.ai\/blog\/understanding-gclid-wbraid-and-gbraid-how-google-is-adapting-to-ios-privacy-changes\/#The_Impact_of_iOS_145_on_Google_Ads\" >The Impact of iOS 14.5+ on Google Ads<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"#\" data-href=\"https:\/\/easyinsights.ai\/blog\/understanding-gclid-wbraid-and-gbraid-how-google-is-adapting-to-ios-privacy-changes\/#How_GBRAID_and_WBRAID_works\" >How GBRAID and WBRAID works<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"#\" data-href=\"https:\/\/easyinsights.ai\/blog\/understanding-gclid-wbraid-and-gbraid-how-google-is-adapting-to-ios-privacy-changes\/#iOS_14_Impact_on_GA_Reporting\" >iOS 14+ Impact on GA Reporting&nbsp;<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"#\" data-href=\"https:\/\/easyinsights.ai\/blog\/understanding-gclid-wbraid-and-gbraid-how-google-is-adapting-to-ios-privacy-changes\/#How_Marketers_Can_Use_GBRAID_WBRAID\" >How Marketers Can Use GBRAID &amp; WBRAID<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"#\" data-href=\"https:\/\/easyinsights.ai\/blog\/understanding-gclid-wbraid-and-gbraid-how-google-is-adapting-to-ios-privacy-changes\/#How_EasyInsights_helps_marketers_in_conversion_tracking\" >How EasyInsights helps marketers in conversion tracking<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"#\" data-href=\"https:\/\/easyinsights.ai\/blog\/understanding-gclid-wbraid-and-gbraid-how-google-is-adapting-to-ios-privacy-changes\/#Conclusion\" >Conclusion<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_is_GCLID\"><\/span><strong>What is GCLID?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><a href=\"https:\/\/support.google.com\/google-ads\/answer\/9744275?hl=en\">GCLID<\/a> is one of the oldest and most well-known identifiers used by Google. It is a parameter appended to URLs when users click on Google Ads. The GCLID is passed along with the click data when a user interacts with an ad, allowing advertisers to track conversions and optimize their campaigns effectively.<\/p>\n\n\n\n<p>In the context of Google Ads, GCLID is used to attribute user activity to specific campaigns, keywords, and other aspects of the advertising funnel. The information attached to a GCLID can include what ad the user clicked on, which keywords were triggered, and other campaign-related data that helps in assessing the performance of the ad.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_Are_WBRAID_GBRAID_and_How_Are_They_Different_from_GCLID\"><\/span><strong>What Are WBRAID &amp; GBRAID, and How Are They Different from GCLID?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><strong>WBRAID (Web Browser Ad ID) &#8211;<\/strong> WBRAID is a more recent addition to Google\u2019s privacy toolbox, designed to help advertisers track web-based interactions across multiple devices while respecting <a href=\"https:\/\/support.google.com\/google-ads\/answer\/10635155?hl=en\">Apple\u2019s App Tracking Transparency rules<\/a>. It essentially replaces some of the functionality traditionally provided by the IDFA, which is increasingly unavailable in the iOS ecosystem.<\/p>\n\n\n\n<p>WBRAID is specifically useful for users who interact with Google ads on the web and then move to apps on their devices. By using WBRAID, Google can connect users&#8217; ad interactions on the web with actions in mobile apps, thereby enabling more accurate attribution and measurement without violating privacy guidelines.<\/p>\n\n\n\n<p><strong>GBRAID (Google Browser Ad ID) &#8211;<\/strong> GBRAID works similarly to WBRAID but is designed to help with attribution across web-based platforms rather than directly across apps. While WBRAID focuses on bridging the gap between mobile apps and web activity, GBRAID is focused on users interacting with web-based ads in a way that preserves privacy and tracks the entire journey from ad click to conversion.<\/p>\n\n\n\n<p>This identifier is key for tracking user activity when they start their journey on a Google ad in the browser and later complete a conversion event across devices or sessions. By leveraging GBRAID, advertisers can continue to optimize their campaigns without having to rely on cross-device tracking through the deprecated IDFA.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_are_WBRAID_GBRAID_Different_from_GCLID\"><\/span><strong>How are WBRAID &amp; GBRAID Different from GCLID?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-text-color has-background has-link-color has-fixed-layout\" style=\"color:#2c01ca;background-color:#e2dff4\"><tbody><tr><td><strong>Features<\/strong><\/td><td><strong>GCLID<\/strong><\/td><td><strong>WBRAID<\/strong><\/td><td><strong>GBRAID<\/strong><\/td><\/tr><tr><td><strong>Use cases<\/strong><\/td><td>Click tracking across web (e.g., Google Ads \u2192 Website)&nbsp;<\/td><td>Used when a user clicks an ad in a web environment and converts in an app<\/td><td>Used when a user clicks an ad in an app and converts in another app<\/td><\/tr><tr><td><strong>User-Level Tracking<\/strong><\/td><td>Yes, it identifies individual clicks<\/td><td>No, it aggregates data, de-identifies users<\/td><td>No, it aggregates data, de-identifies users<\/td><\/tr><tr><td><strong>Privacy Compliance<\/strong><\/td><td>Not compliant with Apple\u2019s ATT framework<\/td><td>Fully ATT-compliant<\/td><td>Fully ATT-compliant<\/td><\/tr><tr><td><strong>Platform Support<\/strong><\/td><td>Works on non-iOS devices and platforms<\/td><td>Designed for iOS traffic from web ads<\/td><td>Designed for iOS traffic from app ads<\/td><\/tr><tr><td><strong>Parameter Example<\/strong><\/td><td>?gclid=abc123<\/td><td>?wbraid=xyz456<\/td><td>?gbraid=def789<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"The_Impact_of_iOS_145_on_Google_Ads\"><\/span><strong>The Impact of iOS 14.5+ on Google Ads<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>The iOS 14.5 update, introduced by Apple in April 2021, significantly impacted how Google Ads tracks user interactions on iOS devices due to the App Tracking Transparency (ATT) framework. This framework requires apps to obtain explicit user consent before tracking their activities across other apps and websites. As a result, Google Ads had to adapt its tracking mechanisms, leading to the introduction of new parameters: <a href=\"https:\/\/support.google.com\/google-ads\/answer\/10417364?sjid=5308902136677258267-NC#gbraid\">GBRAID and WBRAID<\/a>.&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_GBRAID_and_WBRAID_works\"><\/span><strong>How GBRAID and WBRAID works<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><strong>1. Aggregate Measurement<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Unlike GCLID, which is user-specific, GBRAID and WBRAID are coarse-grained and aggregate.<\/li>\n\n\n\n<li>They do not identify individual users, which makes them compliant with Apple\u2019s privacy requirements.<\/li>\n<\/ul>\n\n\n\n<p><strong>2. Appended to Click URLs<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>These parameters are automatically appended to ad URLs when a user clicks on a Google ad on an iOS device. (eg. https:\/\/example.com\/?wbraid=CjkKC\u2026)<br><\/li>\n<\/ul>\n\n\n\n<p><strong>3. Conversion Attribution<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>When a user converts (makes a purchase, signs up, etc.), and the site sends data back to Google Ads (via Google Tag or Enhanced Conversions), Google can match the conversion back to the ad click using WBRAID or GBRAID.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Attribution is done in aggregate, sometimes with a time delay (up to 48 hours), to maintain user privacy.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"iOS_14_Impact_on_GA_Reporting\"><\/span><strong>iOS 14+ Impact on GA Reporting&nbsp;<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>When Apple introduced App Tracking Transparency (ATT) in iOS 14.5+, it limited tracking across apps and websites unless users opted in. As a result, Google Ads adapted by replacing GCLID with WBRAID\/GBRAID for affected traffic.&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-text-color has-background has-link-color has-fixed-layout\" style=\"color:#2c01ca;background-color:#e2dff4\"><tbody><tr><td><strong>Traffic type<\/strong><\/td><td><strong>Identifier used<\/strong><\/td><td><strong>Attribution in GA4<\/strong><\/td><\/tr><tr><td>iOS (post-iOS 14.5)<\/td><td>WBRAID\/GBRAID<\/td><td><strong>Modeled conversions<\/strong> are used instead of direct identifiers<\/td><\/tr><tr><td>Non-iOS \/ Android \/ Desktop<\/td><td>GCLID<\/td><td>Direct attribution with full click-level data<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>Modeled conversions &#8211; <\/strong>A modeled conversion is a conversion that Google estimates using machine learning, rather than directly observing it through tracking identifiers like GCLID.<br><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_Marketers_Can_Use_GBRAID_WBRAID\"><\/span><strong>How Marketers Can Use GBRAID &amp; WBRAID<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><strong>1. Enable Enhanced Conversions in Google Ads<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Enhanced Conversions help attribute conversions using <a href=\"https:\/\/easyinsights.ai\/blog\/first-party-data-the-answer-to-third-party-cookie-loss\/\">first-party data<\/a> (like email or phone number) in a privacy-safe way.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>When ATT restricts device identifiers, GBRAID\/WBRAID work in conjunction with enhanced conversions to recover lost attribution.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1162\" height=\"552\" src=\"https:\/\/easyinsights.ai\/easyinsights_wordpress\/wp-content\/uploads\/2025\/05\/image.png\" alt=\"\" class=\"wp-image-9937\" srcset=\"https:\/\/easyinsights.ai\/easyinsights_wordpress\/wp-content\/uploads\/2025\/05\/image.png 1162w, https:\/\/easyinsights.ai\/easyinsights_wordpress\/wp-content\/uploads\/2025\/05\/image-300x143.png 300w, https:\/\/easyinsights.ai\/easyinsights_wordpress\/wp-content\/uploads\/2025\/05\/image-1024x486.png 1024w, https:\/\/easyinsights.ai\/easyinsights_wordpress\/wp-content\/uploads\/2025\/05\/image-768x365.png 768w\" sizes=\"(max-width: 1162px) 100vw, 1162px\" \/><\/figure>\n\n\n\n<p><strong>2. Use Google\u2019s Consent Mode and Tagging<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>With proper consent tagging, Google Ads will switch between GCLID, GBRAID, or WBRAID depending on the user&#8217;s consent and device.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>This ensures you still get attribution insights without violating privacy rules.<\/li>\n<\/ul>\n\n\n\n<p><strong>3. Track Aggregated Conversions<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>GBRAID and WBRAID support aggregated reporting, allowing marketers to measure performance without individual-level data.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Data is modeled and reported through Google Ads and GA4 with less granularity but compliant with iOS policies.<\/li>\n<\/ul>\n\n\n\n<p><strong>4. Use Google\u2019s Server-Side Tagging<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>With tools like Google Tag Manager server-side, marketers can better manage these identifiers and route them securely for conversion tracking.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>This approach offers greater control over data collection while remaining privacy-compliant.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_EasyInsights_helps_marketers_in_conversion_tracking\"><\/span><strong>How EasyInsights helps marketers in conversion tracking<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><strong>Privacy-Compliant Attribution:<\/strong> Easily track and attribute conversions even in the absence of user-level identifiers like GCLID, with the <a href=\"https:\/\/easyinsights.ai\/blog\/server-side-vs-client-side-tracking\/\">server-side tracking<\/a> that works alongside WBRAID and GBRAID.<\/p>\n\n\n\n<p><strong>Enhanced Conversion Support:<\/strong> By capturing and securely passing <a href=\"https:\/\/easyinsights.ai\/blog\/first-party-data-the-answer-to-third-party-cookie-loss\/\">first-party data<\/a> (like emails or phone numbers), EasyInsights helps Google and Meta match conversions back to ad clicks more accurately.<\/p>\n\n\n\n<p><strong>CRM Audience Sync:<\/strong> Automatically sync your CRM audiences back to Google Ads and Meta, enabling better targeting and helping improve your ROAS.<\/p>\n\n\n\n<p><strong>Unified Data Views:<\/strong> Combine data from multiple sources &#8211; ads, CRM, web analytics &#8211; into one dashboard, making it easier to understand performance across the funnel.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span><strong>Conclusion<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Advertising is changing because people care more about privacy and tech companies like Apple and Google are responding. Google\u2019s new tracking tools, WBRAID and GBRAID, are designed to respect user privacy while still helping marketers measure how well their ads work.<\/p>\n\n\n\n<p>For advertisers, this means it&#8217;s time to update how we track and understand customer actions. Instead of depending on detailed, user-level data like before, we now need to work with broader, privacy-safe data. Using tools like Enhanced Conversions, Consent Mode, server-side tagging, and platforms like EasyInsights can help you stay on top of these changes.<\/p>\n\n\n\n<p>Privacy doesn\u2019t have to mean losing performance. It just means finding smarter, more respectful ways to measure success.<br><br><strong><a href=\"https:\/\/easyinsights.ai\/book-demo\">Book a demo<\/a> today with EasyInsights<\/strong><br><br><strong>Additional Reading <\/strong>&#8211;  <a href=\"https:\/\/easyinsights.ai\/blog\/how-to-set-up-the-google-tag-for-conversion-tracking\/\">How to set up the google tag for conversion tracking<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>With Apple&#8217;s introduction of App Tracking Transparency (ATT) and the increasing focus on user privacy in recent years,&hellip;<\/p>\n","protected":false},"author":17,"featured_media":9935,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[19,134],"tags":[283,145],"class_list":["post-9934","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-digital-analytics","category-others","tag-conversion-tracking","tag-marketing"],"aioseo_notices":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.3.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Understanding GCLID, WBRAID, and GBRAID: How Google Is Adapting to iOS Privacy Changes<\/title>\n<meta name=\"description\" content=\"Discover how Google\u2019s GCLID, WBRAID, and GBRAID identifiers work in the evolving landscape of iOS privacy. 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