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📅 Development History

DVSA Hazard Perception

by TSO (The Stationery Office) · News · View full /p/ profile →

📊 Tracking summary

Tracked since
2019-01-07
7 snapshots captured
Events detected
9
cause-and-effect changes
Current rating
3.00★
2 reviews
Current revenue
$2.9K /mo
ML forecast or verified

📈 Reviews growth with event markers

Cumulative review count over time. Each marker (🚀⭐💲🔄🔧📈📊📦) is a detected event — click anything in the timeline below to scroll to its row.

1 174 2019-01-07 2026-05-13 💲 📈 🔧 🚀

📅 What Worked™ · full timeline (9 events)

Every detected change in DVSA Hazard Perception since we started tracking. Each event shows the cause (what changed) and effect (measured impact over 30 days after). Confidence chip flags whether the attribution is clean or muddied by co-occurring events.

2026-05
💲
Went paid — introduced $2.99 price point
2026-04
Rating ↑ 2.60 → 3.30 (improved 0.70★)
2026-04
📈
Crossed 10 ratings — social-proof flywheel kicking in
2026-03
Rating ↑ 2.00 → 2.60 (improved 0.60★)
2025-12
Rating ↓ 2.33 → 2.00 (dropped 0.33★)
2025-09
🔧
Shipped update — v? → v3.5.0
2020-02
Rating ↓ 3.00 → 2.33 (dropped 0.67★)
2019-09
Rating ↓ 5.00 → 3.00 (dropped 2.00★)
2019-01
🚀
First tracked snapshot — initial data captured

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