A content calendar is not a publish schedule: it binds topic sources, capacity and channel rules. Four layers, five supply lines, and a 70%-80% buffer rule.
Most 'not significant' A/B results are design flaws, not weak creative. 2026 data: low-power tests replicate at only ~28.4%; ~74.2% show no difference.
Public and private domains are halves of one funnel: 150-300 yuan per acquired user vs 20-50 yuan per repeat touch. The chain breaks at four interfaces.
Customer acquisition cost keeps climbing for reasons beyond traffic price: shrinking bid pools, lost signals, longer cycles, weak pages, and uncounted tooling.
Build a private-domain repeat purchase engine in 90 days: hard cost data, three costly myths, a five-step SOP, layered tags and a Reusable 90-day case study.
E-commerce conversion rate optimization from traffic to checkout: funnel analysis, landing pages, purchase flow, win-back, A/B testing, and ROI measurement.
OneID turns devices, accounts and contact points into nodes and verified links into edges, then merges them with union-find. See the tables and privacy rules.
Enterprise data analysis made practical: four analysis layers, funnel, attribution, retention and segmentation methods, dashboard design, alerting, and ROI.
A practical guide to designing an ecommerce user tag system: a three-tier structure, 72 tags across six domains, scoring rules, refresh cadence, and governance.
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