Prooflytics
Marketing Analytics Blog
Benchmarks, attribution frameworks, and platform guides for performance marketers. How to diagnose, decide, and act — without the dashboard fatigue.
Why Your Marketing Numbers Don't Match Across Platforms (It's the Timezone)
A campaign reporting 50 conversions in one platform and 47 in another isn't necessarily a tracking bug - each platform may be attributing the same conversions to a different calendar day. Here is how to find and fix a timezone mismatch before it wastes an afternoon of investigation.
- Analytics
Server-Side Google Tag Manager: The Setup Mistakes That Break Tracking Silently
A server-side GTM container fixes real signal-loss problems, but a broken setup fails quietly - dashboards keep showing numbers, they are just wrong ones. Here are the mistakes that cause that, and how to actually verify a server container is working.
6 min read - Platform
What Actually Resets the Smart Bidding Learning Phase (and What Doesn't)
Google does not publish a complete official list of what restarts the Smart Bidding learning phase, which is exactly why teams keep triggering it by accident. Here is what reliably resets it, what usually does not, and how to make a change without losing a week of performance.
6 min read - Platform
Meta Pixel and Conversions API Event Deduplication: How to Set It Up Correctly
Running Meta's Pixel and Conversions API together without deduplication double-counts every conversion both systems capture. Here is exactly which fields have to match, the 48-hour matching window, and how to verify it is actually working.
6 min read - Attribution
Third-Party Cookie Deprecation: The Actual 2026 Status (Not What You Heard in 2021)
Google abandoned forced third-party cookie deprecation in July 2024 and shifted to a user-choice model instead - cookies still technically work, but a shrinking, self-selecting audience keeps them enabled. Here is what that actually means for measurement.
6 min read - Attribution
App Tracking Transparency: Why Your iOS Conversion Data Has a Predictable Blind Spot
App Tracking Transparency does not make iOS conversions vanish randomly - it hides them in a predictable, correctable pattern. Here is the missing-data framework that tells you when a correction factor is safe to apply and when it is not.
6 min read - Analytics
GA4 Cross-Domain Tracking Setup: How to Stop Sessions From Splitting Across Domains
A visitor moving from your marketing site to a separate checkout or app domain looks like two different sessions to GA4 by default. Here is how to configure cross-domain measurement correctly, and the two mistakes that break it silently.
6 min read - Analytics
Marketing Data Latency: Why Yesterday's Dashboard Number Isn't Final Yet
Most marketing platforms backfill and revise conversion data for days after it first appears. Here is why the number you see this morning is a preliminary estimate, and how to avoid making a budget call on data that hasn't settled yet.
6 min read - Analytics
UTM Parameters Are Getting Stripped by Privacy Browsers - Here Is What Still Works
iOS 17's Link Tracking Protection and Firefox's URL stripping remove tracking parameters from links before they ever reach your site. Here is which parameters survive, which don't, and what to rely on instead.
6 min read - Attribution
Why Discount Code Attribution Breaks (and How to Fix It Without Losing the Code)
A unique discount code is supposed to tell you exactly which partner or campaign drove a sale. In practice, codes leak beyond their intended audience through coupon aggregator sites and word of mouth, quietly crediting the wrong source. Here is the failure mode and the fix.
7 min read - Strategy
Influencer Marketing Measurement: Why Attribution Alone Misses the Point
Influencer marketing rarely fits a click-based attribution model, but that does not mean it cannot be measured. Here is how to separate the awareness effect from the direct-response effect, and what to instrument when the budget stays flat.
6 min read - Analytics
Why Email Open Rate Is an Unreliable Metric Now (and What to Track Instead)
Apple's Mail Privacy Protection pre-fetches every image in an email the moment it arrives, registering an open whether or not a human ever reads the message. Here is why open rate can no longer be trusted alone, and what actually replaces it.
7 min read - Creative
Ad Creative Testing and Statistical Significance: When You Actually Have Enough Data to Decide
Most creative tests get called before they have enough traffic to mean anything. Here is what statistical significance actually requires, why low-traffic accounts should stop waiting for it, and what to track instead.
7 min read - Strategy
Diminishing Returns in Ad Spend: How to Spot the Saturation Curve Before You Overspend
Every ad channel has a saturation point where each additional dollar returns less than the one before it. Here is how to recognize the curve, why high ROAS does not mean more budget is safe, and what to track instead of chasing blended averages.
8 min read - Analytics
GA4 Modeled Conversions Explained: Why Your Numbers Don't Match What You Counted
GA4 modeled conversions estimate conversions from users who declined cookie consent, using observed data from consenting users as a baseline. Here is how the modeling threshold works, why it never matches ad-platform-reported numbers, and when to trust it.
7 min read - Strategy
Marketing Tech Stack Audit: A Framework for Cutting Shelfware
Marketing teams use just 33% of their martech stack's capability on average, per Gartner, down from 58% in 2020. Mid-market companies waste $2,000-$8,000 per employee per year on tools that go untouched. Here is a framework for finding and cutting the waste.
7 min read - Strategy
Content Refresh Cadence: When to Update Old Articles Before They Decay
Sites that neglect aging content can lose up to 20% of organic traffic a year, per Conductor research, while HubSpot found refreshing old posts lifts organic traffic by an average of 106%. Here is the refresh cadence by content type and the signals that mean a page needs attention now.
7 min read - Platform
Meta Ads Audience Overlap: When Your Own Campaigns Bid Against Each Other
When multiple ad sets target overlapping audiences, Meta's auction treats them as competing advertisers, inflating CPM by an estimated 18-25% on the overlapping inventory. Here is how to check overlap, read the thresholds, and fix it without new creative or budget.
7 min read - Strategy
B2B Chatbot Lead Qualification: What to Measure Beyond Conversion Rate
Chatbots engage 15-25% of website visitors and capture leads from 10-15% of those engaged, versus 2-5% for a standard contact form - a 3-5x improvement in raw conversion. But conversion rate alone hides whether those leads are actually worth the sales team's time.
7 min read - Operations
Marketing Dashboard Alert Fatigue: Why Teams Stop Checking Anomaly Alerts
One ecommerce team launched 50 Black Friday campaigns, got 200+ alerts in the first week, found 195 were noise, and stopped checking alerts by Thursday. The following Monday, an $18K weekend overspend went unnoticed as alert #47 in an ignored Slack thread. Here is how alert fatigue actually happens and how to prevent it.
7 min read
