Resources · research & insights
The research behind the numbers on our pages
Every figure we cite, unpacked: what it says, where it comes from and what it means for your listing or profile. Each insight links the page where it applies.
What reviews measurably do
+270%
What the first five reviews do
A product's purchase likelihood rises by up to 270% with its first reviews — no other lever on a listing has this effect per euro spent.
Build Amazon reviews →
+5–9%
Revenue per additional review star
Google itself names reviews as a local ranking factor — and research quantifies the revenue effect of stars in local profiles.
Strengthen your Google profile →
~70%
Carts that get abandoned
The most common reason at unknown shops: missing trust. What a visible, real TrustScore changes at the checkout moment.
Build a TrustScore →
4 of 5
Travellers read reviews before booking
TripAdvisor explicitly weights recency in its ranking — a profile without fresh reviews reads as closed.
Revive your TripAdvisor profile →
ACoS ↓
PPC without reviews burns budget
Same click price, half the conversion: why the first 15–25 verified reviews must come before scaling bids — with a chart.
Understand the order →
Sept.
Black Friday is decided in September
Click prices rise for everyone, conversion only with review substance. Counted backwards from deal day: start in September, be ready in November.
See the Q4 plan →
Figures come from published consumer research and our own campaign data; exact effects vary by category and market. Nothing here promises a review or a ranking — the offer is honest, verified reviews.