A specialized URL format that sends mobile users who click an affiliate link directly to a specific piece of content within a mobile app — bypassing the app's home screen and delivering users to the exact product page, category, or offer they were originally referred to — improving both post-click conversion rates and the accuracy of affiliate attribution for in-app conversions. Mobile deep links address two distinct problems in mobile affiliate marketing: user experience friction (standard affiliate links open the mobile website rather than the app, creating an inconsistent experience for users who prefer the app) and attribution accuracy (deep links carry attribution parameters that mobile measurement partners use to attribute in-app conversions back to affiliate clicks). How mobile deep links work: a deep link URL scheme (either URI scheme or Universal Link/App Link on modern iOS/Android) is packaged with affiliate tracking parameters by the MMP's deep link platform; when a user clicks the link, the operating system checks whether the app is installed; if installed, the app opens directly to the specified content; if not installed, the link falls back to the app store for download (with attribution parameters preserved through the install for deferred deep linking). Deferred deep linking: for users who don't have the app installed at click time, deferred deep linking preserves the intended destination and attribution data through the app download and install process; after the user downloads and opens the app for the first time, the app retrieves the deferred deep link data and navigates directly to the originally intended content — creating a seamless experience from affiliate click to first in-app session. Implementation: mobile deep linking for affiliate programs is typically implemented through MMP platforms (Branch is the specialized deep linking leader; AppsFlyer and Adjust also provide deep linking; most affiliate networks support receiving MMP postback data for deep link clicks).
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