Maximize conversion delivery to Google

Boost campaign performance with LemonBridge. Ensuring more of your conversion data reaches Google, giving its algorithms more input data to optimize on.

LemonBridge helps you detect where conversion data goes missing, resolve delivery issues, and automatically retry failed sends through our Smart Retry Mechanism.

The result: higher data quality, more effective bidding, and stronger campaign performance.

Up to +30% more conversions processed by Google with Smart Retry.

Google Conversions Illustration
Google Conversions Illustration

The hidden data drain

Your conversions aren't all getting through, and it's costing you more than you think

Sending conversion data to CM360, the Floodlight gateway for DV360 and SA360, or to Google Ads has become more complex than it used to be. Browser restrictions, tracking prevention, complex ad account setups, and fragmented tools all chip away at data quality, leading to missing or dropped conversions.

But here's what most marketers don't realize: a significant share of conversions never even make it past Google's API validation when using a tool to insert data into one of Google's Conversion APIs. As a result, this conversion data is lost before it can ever influence an algorithm.

This isn't just about missing data; it's about wasted data. You might be surprised to learn how many conversions never get processed due to initial validation errors. This leaves Google's platforms with an incomplete and distorted view of your campaign performance, severely limiting their ability to optimize for real results.

The result?

Google's algorithms are forced to optimize based on half the truth, quietly eroding ROI, campaign by campaign. Every lost conversion is lost intelligence. And without that intelligence, performance slowly drains away.


What percentage of conversions in your data pipeline are leaking before Google can even process them?

The LemonBridge solution

A resilient conversion data pipeline for Google

LemonBridge ensures that more of your valuable conversions are successfully delivered to Google by combining resilient SaaS technology with expert consultancy.

Google Logos

Our approach covers the full data journey, making sure every stage of your conversion pipeline is optimized for maximum impact.

Data Collection

Capture gclids and first-party identifiers into your central data warehouse such as BigQuery, Databricks or Snowflake.

Data Modeling

Transform and enrich the data so it is ready to be sent to Google.

Data Activation

Deliver conversion data seamlessly into Google Ads, CM360, and other Google Marketing Platform products to strengthen campaign performance.

With this foundation in place, LemonBridge brings visibility, control, and recovery to your conversion data flow and ensures every signal counts.

Key capabilities

Visibility & insights

See what really happens after '200 OK'

Even when uploads appear successful, Google can quietly reject part of your conversion data. LemonBridge provides clear diagnostics for every Google bridge, showing where data is leaking and to what extent your conversion data is being sent to Google successfully.

Common causes include invalid, expired, or unrecognized gclids, mismatched ad accounts, or payloads that Google cannot process. With these insights, you can see what's truly happening beneath the surface and take meaningful action to improve delivery.

Root cause resolution

Understand what to fix and where

LemonBridge translates complex error feedback into clear, actionable insights. You'll immediately see whether an issue stems from tracking, modeling, or delivery (for example, authentication, rate limits, or payload formatting).

This targeted transparency lets you focus your efforts where they matter most, recovering lost conversions and preventing future data loss.

User profile level stitching

Unified identity across the entire customer journey

Customer journeys span multiple devices, browsers, and sessions, often breaking the link between a click and a conversion. LemonBridge prevents this by unifying identifiers such as gclid, matchid, gbraid, and wbraid at the user profile level.

Instead of connecting conversions to isolated sessions, we consolidate all identifiers tied to the same user into a single profile. This unified view strengthens attribution accuracy and enables advanced recovery mechanisms like Smart Retry.

Smart Retry Mechanism

Every retry counts. Every signal matters

Even after known issues are resolved, valid conversions can still fail because Google is unable to process certain gclids in some cases. The LemonBridge Smart Retry Mechanism validates each delivery to Google APIs and intelligently retries failed conversions when temporary or structural issues occur.

By using alternative gclids linked to the same user, LemonBridge seizes additional opportunities to deliver conversions successfully. In practice, a single conversion can often be associated with multiple gclids. For some advertisers, this applies to over 40 percent of users. This means a failed first attempt can become a second, third, or even fourth chance to succeed.

What determines the percentage of recoverable conversions?

The exact percentage varies by advertiser and depends on several factors, including:

  • β€’How easily users can be recognized, for example through low-barrier logins versus anonymous browsing
  • β€’The ability to link sessions and devices using recognized user IDs
  • β€’Optimizing cookie lifetime with server-side tagging and first-party cookies
  • β€’The nature of the product or service, such as frequent repeat visits for price or product comparisons versus one-time visits

These factors influence how often retries can successfully recover failed conversions. The principle remains the same across advertisers: when multiple gclids exist for a user, there is a significant opportunity to increase the share of conversions delivered successfully to Google.

Why LemonBridge

Rather than functioning as a simple data pipeline, LemonBridge integrates optimized data transfer technology with hands-on consultancy to deliver superior performance and insight.

  • Visibility into what percentage of conversions are processed
  • Resilient data pipelines designed for marketing outcomes
  • Strategic guidance on data collection, modeling, and activation

We don’t just move data, we make sure it lands where it matters.

Proven impact with Smart Retry

For one customer, we compared LemonBridge Smart Retry vs. a Reverse ETL tool (without retry).

+4-5%

more conversions delivered to Google Ads

(Simple setups)

(Simple setups)
+30%

uplift in Google Ads conversion rate

(Complex setups)

(Complex setups)
+3.5-4%

more conversions delivered to Google CM360

(Floodlight conversion data used in DV360 and/or SA360)

(Floodlight conversion data used in DV360 and/or SA360)
40%

of conversions have retry opportunities

(can be used when Google does not receive the conversion data correctly on the first API attempt)

(can be used when Google does not receive the conversion data correctly on the first API attempt)

With retry opportunities present in over 40% of conversion attempts, Smart Retry consistently drives more data into Google, unlocking stronger bidding signals and better campaign optimization.

Ready to launch your next digital marketing use case?

Let's bridge the gaps together and make it real.

Team meeting discussing martech solutions