How to Increase Rakuten Reviews: CVR Improvement Steps Through Social Proof
In maximizing sales on Rakuten Ichiba, review count is not just a number. It is the strongest "social proof" that drives user purchase decisions, and a critical metric directly linked to search algorithm (SEO) performance and conversion rate (CVR). In this article, we thoroughly explain — from an EC consultant's perspective — the essence of how to increase Rakuten reviews, to strategic acquisition methods that comply with guidelines.
Table of Contents (Click to Expand)
1. The Impact of Rakuten Reviews on Sales
Products with 10+ reviews show 30-50% higher CVR than those without. Review quantity and recency influence both customer decisions and Rakuten search ranking algorithms.
Additionally, in Rakuten's search algorithm (organic search ranking), review count and average rating are important scoring factors. As reviews increase, search rankings improve, leading to more sessions (traffic), which generates further reviews — creating a virtuous cycle of growth.
2. Three Proven Strategies for Increasing Reviews
Simply waiting for reviews naturally, the acquisition rate stays at about 1-3% of purchases. To raise this to 5-10% or higher, we organize the measures in a MECE framework.
- Offering Coupons Usable on Next Purchase: This is the most common and effective method. Incentives such as "500 yen off your next purchase for posting a review" also contribute to improving repeat purchase rates.
- Optimizing Thank-You Emails: Timed to coincide with product delivery, automated emails request review submissions. It is essential to include a direct link (review submission URL) that makes it easy to post from a smartphone.
- Utilizing Package Inserts (Thank-You Cards): Channel the excitement at the moment of unboxing into reviews. Include a QR code and simplify the posting steps to the absolute minimum.
Chart: Average Review Acquisition Rate by Campaign (Based on Client Data)
3. Guideline Compliance and Stealth Marketing Regulations
Rakuten prohibits: incentivized reviews (discounts for reviews), fake reviews, and manipulated ratings. The 2023 stealth marketing regulations add legal requirements for disclosure.
Improper review acquisition carries the risk of search ranking decline and account suspension (store removal). Always confirm the latest guidelines and practice white-hat review management.
4. Review Acquisition Rate Data Analysis
To increase reviews, it is necessary to accurately grasp the current "review acquisition rate (number of reviews ÷ number of orders)." Extract data from RMS (Rakuten Management Screen) and quantitatively and qualitatively analyze which products easily collect reviews and which measures receive good responses. By leveraging customer complaints (low-rating reviews) for product improvement and shipping quality enhancement, a healthy cycle naturally emerges where high-rating reviews increase as a result.
Frequently Asked Questions
- Q. Is it a violation to send gifts in exchange for review submissions?
- A. Yes, Rakuten guidelines prohibit offering incentives conditioned on review submission. You may thank reviewers after the fact, but not condition rewards on reviews.
- Q. How should you handle negative reviews?
- A. Respond promptly, professionally, and publicly. Acknowledge the issue, offer a solution, and use feedback to improve products and service. Never argue with reviewers.
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Reviews are the most powerful social proof in e-commerce. On Rakuten, products with more reviews consistently achieve higher CVR. This guide covers ethical, guideline-compliant strategies for review acquisition.
Published: 2026-03-17 / Author: Yuta Ito
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References
- [1] Rakuten Review Policy and Guideline Compliance
- [2] Social Proof Strategies for E-Commerce CVR Improvement