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Conversion Tracking

定义

Conversion tracking measures the actions users take after clicking or viewing your ad, such as purchases, form submissions, phone calls, or app installs. It is the foundation of performance advertising: without accurate conversion data, you cannot measure ROI, optimize bids, or identify which campaigns, keywords, and ads drive business results.

How Conversion Tracking Works

Conversion tracking connects ad interactions (clicks, views) to subsequent user actions. In Google Ads, you install a global site tag and event snippets that fire when conversions occur. In Meta Ads, the Pixel and Conversions API track events. When a user clicks your ad and later completes a conversion action within the attribution window, the platform credits that conversion to the ad. Each conversion action has a category (purchase, lead, signup), a value (revenue amount or estimated value), and a counting method (one per click or every occurrence).

Setting Up Conversion Tracking Correctly

Define your primary conversions (the actions that directly generate revenue: purchases, qualified leads) and secondary conversions (supporting actions: page views, button clicks). Set primary conversions to 'Primary' status for bid optimization and secondary to 'Observation' to avoid confusing automated bidding. Assign accurate values: for e-commerce, pass actual transaction values dynamically. For lead gen, estimate values based on close rate and average deal size. Use consistent attribution windows across conversion actions. Test that conversions fire correctly using Google Tag Assistant or Meta Events Manager before launching campaigns.

Common Conversion Tracking Problems

Overcounting occurs when the same conversion fires multiple times (a user refreshing the thank-you page). Fix with one-per-click counting or deduplication logic. Undercounting happens due to ad blockers, cross-device journeys, and privacy restrictions. Mitigate with server-side tracking (Enhanced Conversions, Conversions API). Misattribution occurs when the wrong conversion value is passed or attribution windows are misaligned with your sales cycle. Regularly audit your conversion tracking by comparing reported conversions to your CRM or order management system.

Conversion Tracking Auditing with AdWhiz

AdWhiz performs a thorough conversion tracking audit as the first step of any account analysis. The audit checks for missing conversion actions, incorrect counting methods, mismatched attribution windows, and data discrepancies between Google Ads and your actual business results. Fixing conversion tracking issues often has the single biggest impact on campaign performance because every other optimization depends on accurate conversion data.

常见问题

Primary conversions are used for bid optimization and reporting (purchases, qualified leads). Secondary conversions are tracked for observation only and do not influence automated bidding. Use primary for actions that directly generate revenue and secondary for supporting metrics like page views or micro-conversions.

Google and Meta use logged-in user data to connect conversions across devices. When a user clicks an ad on mobile but converts on desktop, the platforms can attribute the conversion if the user is signed into their Google or Meta account on both devices. This cross-device attribution happens automatically when users are logged in.

Discrepancies arise from different attribution models (Google Ads uses its own model, GA4 uses data-driven by default), different attribution windows, different counting methods, and Google Ads counting view-through conversions that analytics tools may not. A 10-20% discrepancy is normal; larger gaps indicate tracking issues that need investigation.

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