Fake Reviews: How They Are Made, How to Spot Them and What Platforms Are Doing About It
Review fraud is an industry with brokers, incentives and generated text. The patterns are learnable, and a few habits filter most of it out.
Reviews drive purchases more than any other on-page element, which makes them worth faking. Fake reviews are bought from brokers who recruit reviewers through private groups, generated by language models at scale, or extracted through “free product in exchange for feedback” schemes that violate platform rules. Regulators in several countries have started fining sellers, but the volume remains enormous. Here is how to read around it.
Signals of fabricated reviews
- Timing clusters. Dozens of reviews in a few days, then silence. Real products accumulate steadily.
- Vocabulary. Repeated marketing phrases (“premium quality”, “exceeded expectations”) across many reviews; product names written in full, repeatedly.
- Extremes without detail. Five stars and two sentences, or one star and a competitor’s name.
- Reviewer history. Click the profile. Dozens of five-star reviews across unrelated categories in a short period is a tell.
- Mismatched products. Reviews describing a different item mean the listing was hijacked or merged.
- Photos that look like catalogue images rather than someone’s kitchen counter.
Signals of real reviews
- Specific complaints alongside praise (“great sound, but the case scratches easily”).
- Mentions of use over time, updates to the review, or comparisons to a previous model.
- A natural spread of ratings – real products rarely sit above 4.8 with thousands of reviews.
- Verified-purchase labels on the majority of recent reviews.
A reading routine
- Sort by most recent, then read ten.
- Read the three-star reviews specifically – they are the least likely to be bought and the most informative.
- Check two or three reviewer profiles.
- Cross-reference with an independent review from a publication that tests products.
What platforms are doing
Major marketplaces now remove hundreds of millions of suspected fake reviews a year, use purchase verification and are increasingly obliged by law to state whether reviews are checked. Enforcement is improving but reactive. The incentive to fake remains as long as reviews drive rank, so the habits above are likely to stay useful.
Our own policy
Brand ratings on BrandVault come from our editors’ testing and reader reports, never from importing marketplace review scores. When we quote a marketplace rating in an article, we say so, and we say what we think of its reliability.