Prooflytics
Marketing Analytics Blog
Benchmarks, attribution frameworks, and platform guides for performance marketers. How to diagnose, decide, and act — without the dashboard fatigue.
- 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 - 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 - Platform
Performance Max vs Search Keyword Cannibalization: What the Data Shows
67% of Performance Max campaigns overlap with Search campaigns on at least one search term. When both are eligible for the same query, Search wins on conversion rate 84% of the time - even though PMax often gets more impressions. Here is how to stop PMax from quietly cannibalizing your best Search keywords.
7 min read - Platform
Ad Scheduling and Dayparting: Different Rules for B2B and Ecommerce
B2B Google Ads accounts generate 74.4% of leads Monday through Thursday at $186 CPL, versus 25.6% of leads on Friday through Sunday at $281 - 51% higher weekend cost per lead. Ecommerce shows the opposite pattern. Here is how to set schedules and bid adjustments for each.
8 min read - Platform
Google Ads Negative Keyword Strategy 2026: Account, Campaign, and Ad Group Levels
Unaudited Google Ads accounts waste 30-40% of search spend on queries with no commercial value, climbing to 70-90% on accounts with no structured negative keyword work. Here is how to build the three-level negative keyword hierarchy that stops it.
8 min read - Platform
Google Ads Impression Share: Diagnosing Budget-Constrained vs Rank-Constrained Loss
Google Ads splits lost impression share into two causes: budget and rank. Fixing the wrong one wastes money - raising bids when budget is the constraint just burns spend faster, and raising budget when rank is the constraint buys more impressions at a losing position.
8 min read - Platform
Google AI Max for Shopping Campaigns: Text Customization, URL Expansion, and Format Selection
Google rolled out AI Max to Shopping campaigns on April 30, 2026, introducing three new capabilities: dynamic text customization (ads adapt copy to conversational queries), final URL expansion (the system suggests additional landing pages), and format selection (advertiser control over ad layout variants). For Shopping advertisers, this requires reviewing feed data quality and URL structure before activation, as AI Max uses the product feed as the primary creative input for generated ad variants.
9 min read - Platform
Google Merchant Center AI Product Import Beta: No Feed Required
Google Merchant Center added an AI product import beta on May 5, 2026, allowing the system to scan a website and automatically generate product listings without a structured XML or CSV data feed. For merchants who previously needed feed management tools or developer resources to get products into Shopping campaigns, this removes the primary onboarding barrier. The feature is in beta; validation against existing feed data quality is required before treating AI-generated listings as the primary source.
8 min read - Platform
Google Back Button Hijacking Penalty: Search Console Warnings and June 2026 Enforcement
Google began sending Search Console warnings to sites that intercept the browser back button, with spam policy enforcement starting June 15, 2026. Sites where JavaScript or CSS prevents users from navigating away via browser controls are now flagged as spam signals and risk ranking penalties. For performance marketers running paid landing pages or post-click experiences, auditing back button behavior is a required pre-enforcement task.
9 min read - Platform
Google Ads AI Max AI Brief: Plain-Language Campaign Rules via Gemini
Google launched AI Brief on April 30, 2026, a Gemini-powered interface embedded in AI Max that allows advertisers to configure campaign messaging, audience matching rules, and performance guardrails using natural language instead of UI clicks or manual rule builders. Advertisers describe constraints in plain text; the system translates them into operational campaign settings. For performance teams managing AI Max campaigns, AI Brief reduces setup friction and provides a more transparent audit trail for what the AI is doing.
9 min read - Platform
Google Ads Bid Strategy Testing Now Requires CRM Data: What Changed in 2026
Google Ads changed bid strategy validation requirements in 2026, shifting from surface-level metrics like ROAS and CPC toward conversion value by time window and first-party CRM data integration. Testing a new bid strategy without CRM data now risks false positives and budget waste -- the model validates against aggregated campaign metrics that can be disconnected from actual customer lifetime value.
10 min read - Platform
Meta Ads AI Connectors: Automated Campaign Management and What to Watch Out For
Meta Ads AI Connectors give AI agents -- including Claude -- programmatic access to Ads Manager for campaign management, optimization, and reporting without manual API calls. One-click CAPI access expanded alongside the launch, reducing friction for server-side tracking. For performance teams evaluating AI-assisted campaign management, AI Connectors are the access layer; managing the risks they introduce is the operational work.
10 min read - Platform
Meta Ads CLI: Command-Line Campaign Management for Performance Teams
Meta released the Ads CLI on April 29, 2026, giving developers and AI agents direct terminal access to create, edit, and analyze campaigns without writing custom API code. For teams running high-volume or templated campaigns, this removes the manual UI overhead that previously made programmatic campaign management require a dedicated engineering resource.
9 min read - Platform
Microsoft Ads LinkedIn Job Seniority Targeting: B2B Audience Segmentation Guide
Microsoft Advertising added LinkedIn job seniority targeting with 10 seniority levels across 29 markets, available for Search and Audience Network campaigns. For B2B marketers running Microsoft Ads, this is the most granular professional targeting available in paid search outside of LinkedIn Ads itself. Here is how to configure it and what to measure.
9 min read - Platform
Microsoft Ads UTM Auto-Tagging September 2026: What Changes for Analytics
Microsoft Advertising is changing UTM auto-tagging on September 2, 2026 to separate Search, Audience Network, Shopping, and Performance Max campaign types in Google Analytics and other analytics tools. For marketers who rely on UTM-based channel attribution, this changes how Microsoft Ads traffic appears in GA4 and what remediation is needed before the deadline.
8 min read - Platform
Microsoft Ads Performance Max Placement Reports: Conversion Data Explained
Microsoft Advertising expanded Performance Max placement reports to include conversion and spend data, closing a major reporting gap that previously forced advertisers to infer placement performance from aggregate metrics. For PMax campaigns on Microsoft Ads, this enables channel-level diagnosis that was not available before May 2026.
9 min read - Platform
Google Site Visits Asset: Social Proof in Search and Performance Max Ads
Google officially launched the site visits asset for Search and Performance Max campaigns, displaying aggregated domain click counts in three tiers in ad copy. Accounts with 10,000 or more historical clicks can enable this asset to add social proof signals automatically. Here is how it works and what to test.
9 min read - Platform
Google Performance Max Partner Network Selection: What the Alpha Changes
Google is alpha-testing independent partner network controls for Performance Max campaigns, allowing advertisers to toggle Search Partner Network and Google Display Network separately for the first time. For brands where partner placement quality directly affects ROAS or brand safety, this changes how PMax campaigns are configured.
9 min read - Platform
Google Ads Auto-Classifies Conversion-Based Customer Lists: What Advertisers Must Provide
Google Ads began automatically classifying conversion-based customer lists in June 2026, requiring advertisers to provide clearer signals about where audiences sit in the customer journey. Here is what the classification changes, which signals you need to supply, and how this affects Smart Bidding.
8 min read
