
Click ID
Click ID explained — the ad-click identifier (GCLID, fbclid, and others) that must be captured early to attribute later offline outcomes.
2 min readBlog
Field notes and research on paid media, memory, and the difference between a number and a decision.
124 posts in Reference

Click ID explained — the ad-click identifier (GCLID, fbclid, and others) that must be captured early to attribute later offline outcomes.
2 min read
Tag diagnostics explained — the platform tools and QA steps that show whether events were received, matched, or rejected, beyond 'the tag fired.'
2 min read
Primary vs. secondary conversions explained — which events bidding optimizes toward versus which stay as reporting-only diagnostics.
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Offline conversion explained — crediting in-store, phone, and CRM outcomes back to ads, which fails most often before the lead ever reaches the CRM.
3 min read
Enhanced conversions explained — Google Ads matching that uses consented, hashed first-party data, and why it is not the same as enhanced match.
2 min read
There is no primary EMEA LinkedIn benchmark dataset in 2026. Here is the best caveated synthesis (Pettauer, Feb 2026): European SaaS CPCs €4–5 vs $8–12 in North America, CTR below the global 0.44–0.65% range, and why the old '$120 EMEA CPL' is 2021 data.
3 min read
2026 HVAC Google Ads cost per lead: $104 blended, $149 non-branded search, $72 Performance Max (SearchLight, Jan 2026, 816 contractors). Category-level CPC $8.33 (LocaliQ).
3 min read
2026 plumbing Google Ads cost per lead: $183 avg non-branded (median $168), $82 Performance Max, median cost per paying customer $333 (SearchLight, Q1 2026, 524 contractors).
3 min read
GEO is optimizing content to be surfaced and cited inside AI-generated answers. AI-referred traffic converts about 4.4x organic (Semrush).
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AI Max for Search is Google's opt-in upgrade to Search campaigns — query expansion, auto-created assets, and broad-match improvements. It exited beta April 15, 2026.
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Smart Bidding Exploration lets Google pursue relevant queries beyond a campaign's historical conversion patterns to find incremental conversions. It reached all feed-less PMax campaigns globally around June 15, 2026.
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AEO is structuring content to be the direct answer engines return. 68.01% of US searches ended without a click in early 2026 (SparkToro/Similarweb).
2 min readThe record
Stop running an account that forgets.
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