Reviu Magazine · Research · Reports

Reviu Magazine

A knowledge magazine on the review industry, commerce ranking algorithms, and AI content policy — every article grounded in data, case studies, and regulatory documents.

Psychology·13 min

Review Psychology Report: Buyers Decide in the First Two Sentences, Not the Star Rating

Heuristics, social proof, loss aversion, anchoring — an in-depth briefing on the four consumer-psychology triggers current research identifies as decisive, and the seven sentence structures that trustworthy reviews consistently share.

Full English edition coming soon
Smart Store·14 min

Smart Store Review Ranking 2026: A Breakdown of Photo, Video, and Text Weighting

A structured analysis of Naver Smart Store's latest review visibility logic — format weighting, campaign design principles, and the freshness-algorithm pitfalls every seller should understand.

Full English edition coming soon
Local Marketplace·10 min

How Local-Marketplace Manner Scores Are Calculated: The Five Rules That Double Reply Rates

Reconstructing manner-score computation from official documentation and user data, with a reply-review template manual for both sellers and buyers.

Full English edition coming soon
Delivery Apps·12 min

Delivery-App Owner Reply Playbook: How 1-Star Reviews Move Repurchase Rates

A 12-step reply manual grounded in review-to-revenue correlation data from major delivery platforms — the 24-hour rule, tier-by-star templates, and brand-language guidelines for restaurant operators.

Full English edition coming soon
Amazon·13 min

Deep Dive on Amazon A9: A Policy Map for the First 100 Reviews

A9 review weighting, Vine eligibility, the ODR-suspension correlation, and VOC dashboard tactics — a policy-oriented briefing on the review risks global sellers face.

Full English edition coming soon
Naver·12 min

Naver D.I.A.+ and C-Rank: Eight Conditions for Top-Ranked Sponsored Reviews

Post-update ranking formulas for sponsored blog reviews on Naver — keyword tiering, image placement rules, and document-quality metrics quantified with real case data.

Full English edition coming soon
Coupang·11 min

Coupang Conversion Report: Three Traits Shared by High-Performing Reviews

The review signals Coupang's Item Winner algorithm rewards — text length, information density, and four-photo composition — analyzed from both seller and reviewer perspectives.

Full English edition coming soon
Instagram·10 min

Instagram Sponsored Caption Trends 2026: Six Principles That Convert Without Reading as Ads

Six caption formulas derived from 300 creator campaigns — first-line hooks, tiered hashtag stacks, and the psychology of carousel ordering in current social commerce.

Full English edition coming soon
AI·11 min

Generative AI Draft Guide: A Five-Step Workflow for Natural 10-Second Reviews

The practical value of AI drafts, five prompt-design principles, a Reviu workflow, and an AI-tell removal checklist — a standard manual for beginner sellers.

Full English edition coming soon
Operations·12 min

Negative Review Response Manual: Five Criteria for Separating Malicious Attacks from Honest Criticism

A risk-management guide for store operators — response procedures by review type, the legal escalation threshold, and reply examples that measurably strengthened brand perception.

Full English edition coming soon
Writing·6 min

Seven Principles Behind Trustworthy Product Reviews: A Standard for Structure, Language, and Evidence

Reviews function as information documents for the next buyer, not personal impressions. A standard guide compiling the structural traits of reviews that drive conversion.

Full English edition coming soon
Instagram·7 min

The Grammar of Instagram Product Captions: The Optimal Ratio of Mood to Information

Analysis of top commerce influencer caption structures — the current standard format of three lines of mood, one line of information, and a three-tier hashtag stack.

Full English edition coming soon
AI·6 min

The Ethics of AI-Generated Reviews: A Cross-Jurisdiction Guide to Current Guidelines

A synthesis of the latest AI-content disclosure guidance from the US FTC, the EU, and Korean regulators — where legitimate use ends and consumer deception begins, in practical terms.

Full English edition coming soon
Photography·9 min

Smartphone Product Photography Report: Eight Rules That Lift Review Conversion

Lighting, angle, background, composition — eight smartphone photography rules repeatedly validated in ecommerce PDP A/B tests, illustrated with case imagery.

Full English edition coming soon
Writing·7 min

Ten Common Mistakes That Erode Review Credibility: A Data-Backed Cautionary Guide

Overhype, copy-paste phrasing, star-only ratings — ten review patterns consumer research consistently classifies as 'not helpful,' with concrete improvement cases.

Full English edition coming soon