TLDR
Google has updated its review snippet structured data documentation to explicitly prohibit fake and undisclosed incentivised reviews from pages and markup. Sites that break the rule face a manual action stripping star ratings from search results, enforced by human reviewers rather than an automated algorithm. The change formalises a longstanding policy rather than introducing a new technical penalty, but the documentation now spells out exactly what is prohibited and what follows. Australian businesses running loyalty-style review programs or embedding third-party review widgets need to add clear, prominent disclosure both on their pages and within their structured data markup to stay eligible for star ratings in search.
KEY TAKEAWAYS
What Google changed
Documentation updates rarely make headlines, but they can rewrite the rules for thousands of businesses overnight. On 24 July 2026, Google revised its review snippet structured data guidelines to state, plainly and for the first time in formal documentation, that fake and undisclosed incentivised reviews are prohibited. Google added the new guideline to its review snippet structured data documentation on 24 July 2026, prohibiting fake or undisclosed incentivised reviews from appearing on pages or in structured data markup.verifiedVerified Source: developers.google.com[1]
Google Search Central documentation now reads: "Don't include fake or undisclosed incentivized reviews on your page or in your structured data markup."[2] For any site running review incentive programs without visible disclosure, that sentence is the one to read twice.
What the penalty actually looks like
This is not an algorithm update. No automated system quietly downgraded sites on the morning of 24 July. Enforcement runs through human reviewers, and the consequences land in Google Search Console as a manual action.[2]
Google's documentation warns that sites violating its review guidelines may receive manual actions that cause Google to ignore their structured data markup, preventing review snippets from appearing in search results.verifiedVerified Source: developers.google.com[2] Star ratings vanish from search results. The page itself stays indexed and can still rank, but that visual shorthand of five golden stars, the thing that nudges a searcher to click one result over another, disappears. For businesses in competitive local categories, that loss is not trivial.
What counts as a prohibited review
Two categories of review are now prohibited. The first is any review not grounded in genuine experience with the product or service being rated. The second is any review written in exchange for a benefit, whether a discount, a gift, loyalty points or any other consideration, where that exchange is not clearly and prominently disclosed.[2]
Clear and prominent disclosure is the standard. A disclosure buried in a footer, tucked into terms and conditions, or rendered in grey text on a grey background does not meet it. The disclosure needs to be visible to an ordinary reader on the page where the reviews appear, and it needs to be reflected in the structured data markup the site sends to Google's crawlers.[2]
How review snippets work
Structured data markup for review snippets uses schema.org types, typically Review or AggregateRating, embedded in a page's code as JSON-LD, Microdata or RDFa. The markup signals to Google the item being reviewed, the rating value, the review author and the number of reviews gathered.[2] When Google trusts the data, the star rating appears directly in search results.
Google's updated guideline targets the trustworthiness of that data. Reviews solicited with undisclosed incentives, or never based on a real transaction, produce a misleading signal. Google's position is now formally documented: it will not carry that signal on a site's behalf.
Why the documentation versus algorithm distinction matters
A core algorithm update tends to move across many sites simultaneously, with effects showing up in ranking trackers within days. A documentation update with manual action enforcement moves differently. Individual sites may see no change for weeks or months, until a human reviewer looks at them specifically.
That tempo cuts both ways. Businesses that act quickly on disclosure have time to get compliant before any review occurs. Businesses that ignore the change and are reviewed face a penalty requiring a reconsideration request to lift, a slower and more manual process than recovering from an algorithm shift. The July 2026 change is a documentation update to Google's review snippet guidelines rather than an automated algorithm change, with enforcement carried out by human reviewers.verifiedVerified Source: developers.google.com[1]
What Australian businesses should do now
For Australian businesses, the practical checklist is straightforward even if the implementation is not. Any site displaying review stars in Google Search through structured data markup needs to audit where those reviews came from. If any were solicited through a rewards program, a post-purchase email offering a discount in exchange for a review, or any other incentive arrangement, the page needs a clear, prominent disclosure of that fact before the next manual review cycle.
Third-party review widgets carry their own risk. If the widget provider's terms permit incentivised reviews without mandating disclosure, the liability for that non-disclosure sits with the site owner, not the widget vendor. Businesses running these tools should check both the widget provider's policies and their own page-level disclosures against the updated Google standard.[2]
The structured data markup itself also needs updating for any site that has been marking up incentivised reviews without flagging them as such. A technically valid AggregateRating schema fed by non-disclosed incentivised reviews is now, under Google's updated guidelines, a violation waiting to be discovered. The rules were always there; they are just written down now.
SOURCES & CITATIONS
FREQUENTLY ASKED QUESTIONS
What did Google change in its review snippet guidelines?
What happens to a site that violates the new rule?
Is this an algorithm update?
What counts as an undisclosed incentivised review?
What should Australian businesses do if they run a review incentive program?
Zara Kincaid writes about artificial intelligence and search. Her focus is what happens to businesses when the front page of the internet stops being a list of links and starts being an answer.
