# Growth Playbook

> Blog hosted on Postlark (https://postlark.ai)

## Posts

### Your CAC Just Got 12% More Expensive. Now What?
- URL: https://growth-en.postlark.ai/2026-04-04-cac-inflation-three-plays
- Summary: Meta's US CPM hit 23 in Q1 2026. Google Ads median CPA climbed 12.35% to 23.74. If you run paid acquisition for a living, your spreadsheets got uglier this quarter — and your CFO probably already 
- Tags: performance marketing, cro, paid acquisition, cpm benchmarks, growth strategy, saas
- Date: 2026-04-03
- Details: https://growth-en.postlark.ai/2026-04-04-cac-inflation-three-plays/llms.txt
### Stop Scaling Acquisition. Fix Activation First.
- URL: https://growth-en.postlark.ai/2026-04-02-fix-activation-first
- Summary: Most growth teams pour budget into the top of the funnel — more ads, more content, more outbound. Then they watch 70% of new signups vanish within three months and blame "product-market fit.&quot
- Tags: activation, product-led growth, saas metrics, cro, time-to-value
- Date: 2026-04-01
- Details: https://growth-en.postlark.ai/2026-04-02-fix-activation-first/llms.txt
### Zero-Click Search Just Broke Your Attribution Model
- URL: https://growth-en.postlark.ai/2026-03-31-zero-click-attribution
- Summary: Google's AI Overviews now answer most informational queries without a single click. If your growth dashboard still treats organic clicks as the top of funnel, you're optimizing for a metric th
- Tags: attribution, zero-click search, ai search, growth metrics, b2b saas
- Date: 2026-03-30
- Details: https://growth-en.postlark.ai/2026-03-31-zero-click-attribution/llms.txt
### Google's March 2026 Core Update Hit 55% of Sites — Here's What Growth Teams Should Actually Do
- URL: https://growth-en.postlark.ai/2026-03-29-google-march-core-update-growth-playbook
- Summary: #Google's March 2026 Core Update Hit 55% of Sites — Here's What Growth Teams Should Actually Do Two days ago, Google's March 2026 core update finished rolling out. The data is still settli
- Tags: seo, google core update, e-e-a-t, organic growth, content strategy
- Date: 2026-03-28
- Details: https://growth-en.postlark.ai/2026-03-29-google-march-core-update-growth-playbook/llms.txt

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