Site architecture
How to Structure High-Trust Casino Review Hubs
A review hub works when each page has one job: the hub helps readers choose, each review shows first-hand evidence for one product in one market, and support pages explain terms once instead of repeating them everywhere.
In brief
- Google says its reviews system "primarily evaluates review content on a page-level basis", but on sites with a lot of review content "any content within a site might be evaluated".
- Google's spam policies call affiliate pages thin when reviews are copied from the merchant "without any original content or added value".
- Gambling products are licensed market by market, so a review should state which market it covers and which license applies.
- Give each page one job: hub to choose, review to assess, support page to explain.
Most weak affiliate sites are not short of pages. They are short of structure. The same bonus explanation appears on forty reviews, a "best casinos" list repeats the reviews in shorter form, and nobody can tell which page is meant to answer which question. This guide sets out a structure that avoids that and that stays honest when products and laws change.
The three page types
| Page type | Job | Must contain | Must not contain |
|---|---|---|---|
| Hub (for example, casinos in one market) | Help a reader choose | Selection criteria, the market covered, a short entry per product linking to its review, methodology link, disclosure | Full reviews pasted in; rankings without stated criteria |
| Review (one product, one market) | Assess one product | First-hand evidence, dated facts, license details for the market, benefits and drawbacks, disclosure near the first recommendation | Text copied from the operator or from sister reviews |
| Support page (terms, payments, safer gambling) | Explain a concept once | Market-specific rules with sources; links back to reviews that apply it | Product promotion |
Split by market before you split by product
A casino brand can be licensed in Great Britain and not in Germany, or live in New Jersey and not in Ohio. The review of "Brand X" is therefore really the review of Brand X in one market, with that market's license, age limit, payment options and bonus rules. Practical rules:
- Use one hub per market you cover, and one review URL per product per market where the offer differs.
- State the market in the title and the first paragraph, and show the license or registration that applies.
- Do not create reviews or hubs for markets where the product is not legally offered.
- For the United States, scope by state; for Canada, scope by province. A "US casino review" with no state is not accurate.
Write the methodology once and link it everywhere
Google's guidance on high quality reviews asks writers to "Evaluate from a user's perspective" and, when recommending something as the best, to "include why you consider it the best". A hub cannot do that without stated criteria. Publish one methodology page that lists what you test (for example account opening, deposit and withdrawal times you measured, terms clarity, safer gambling tools) and how often. Every hub and review links to it in its first screen.
Keep support content in support pages
Explaining wagering requirements, payment methods or self-exclusion in every review creates near-duplicate blocks across the site. Explain each concept once on a support page, per market where the rules differ, and link to it from the reviews. Reviews then carry only the product-specific facts: this operator's terms, measured on this date.
A worked structure
| URL | Type | Links to |
|---|---|---|
/uk/casinos/ | Hub | Each UK review, UK methodology, UK support pages |
/uk/casinos/example-casino/ | Review | Hub, UK bonus terms page, UK payments page, comparison pages that include it |
/uk/guides/wagering-requirements/ | Support | Reviews and comparisons where the rule matters |
/uk/compare/example-a-vs-example-b/ | Comparison | Both reviews, methodology |
/methodology/ | Standards | Every hub |
Checks before publishing a hub
- Every product listed is licensed for the hub's market, checked in the regulator's register on a recorded date.
- The hub states its selection criteria and links to the methodology.
- Each entry links to a full review with first-hand evidence; no entry exists only as a list item.
- The disclosure appears before the first recommendation, not only in the footer.
- Support concepts link to their support pages instead of being repeated.
- The page shows when it was last reviewed and what changed.
Questions
Should one review cover several markets?
Only if the product, terms and license really are the same. Usually they differ, so one review per product per market is clearer for readers and avoids stating a rule that does not apply.
Does Google judge a review hub as a whole?
Google says its reviews system primarily evaluates review content page by page, but that on sites with a substantial amount of review content any content within the site might be evaluated. Weak pages can affect how the rest is seen.
How many products should a hub list?
As many as you have actually reviewed for that market. A long list of products you have not assessed adds pages without evidence, which is the pattern Google's thin affiliation policy describes.
Sources
- Google Search Central, Reviews system, last updated December 10, 2025.
- Google Search Central, Write high quality reviews, last updated December 10, 2025.
- Google Search Central, Spam policies for Google web search (thin affiliation), last updated August 28, 2026.
- Gambling Commission, Public register, updated November 12, 2024.
Found an error? Tell the editors and link the source. Corrections are dated on the page they change (corrections).