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Definitions, policy, research and the corrections most articles in this area get wrong.

What is here

Twenty-three reference pages and a glossary of sixteen terms, starting with what a review widget actually is. Written to be accurate rather than promotional, which means several of them contradict things this site would otherwise like to claim.

The one that does that most is review schema markup, which explains why a business reviewing itself no longer gets stars in search results.

Browse

Every page in this section, with the rest linked from each one.

Search & AI visibility

Why your Google reviews aren’t showing

Google reviews disappear for four main reasons: the review broke a policy and was removed, an automated filter caught it, the business profile was merged or changed, or the review never successfully posted in the first place..

Policy & law

The FTC rule on fake reviews and testimonials

The FTC rule on consumer reviews and testimonials, in force since 2024, prohibits fake and incentivised reviews, undisclosed insider reviews, and suppressing or misrepresenting the reviews a business displays.

Practical playbooks

Technical

Google Reviews API guide

The Google Places API returns a maximum of five reviews per place, chosen by Google, with no way to page through the rest.

Review widgets and page speed

A third-party widget affects page speed mainly through Cumulative Layout Shift and, if loaded badly, through blocking the main thread.

Accessible review widgets (WCAG 2.2)

An accessible review widget is keyboard operable, announces its content to a screen reader, meets contrast requirements, and does not move on its own without a way to stop it.

Research

Online review statistics 2026

The most cited current source is BrightLocal’s Local Consumer Review Survey 2026, published in February 2026 from a representative panel of 1,002 US adults.

What is a review widget?

A review widget is a block you embed in a web page that displays reviews customers left on platforms like Google, Facebook or Tripadvisor, and keeps them current automatically..

Glossary

Sixteen terms, each defined in two sentences with a real example.

  • Social proof

    Social proof is the tendency to judge something by how other people have judged it.

  • User-generated content (UGC)

    User-generated content is any content about a brand created by its customers rather than by the brand: reviews, photos, videos, comments, forum posts, social media mentions..

  • Testimonial vs review

    A review is unsolicited feedback left on a platform you do not control, alongside everyone else’s including the critical ones.

  • Aggregate rating

    An aggregate rating is the average score across all reviews of something, together with how many reviews it came from.

  • Review velocity

    Review velocity is the rate at which a business receives new reviews — how many arrive per week or month, rather than how many exist in total..

  • Verified review

    A verified review is one the platform can tie to a real transaction — a confirmed purchase, a completed booking, a finished job..

  • First-party vs third-party reviews

    First-party reviews live on infrastructure you control — your own website, your own store.

  • Review syndication

    Review syndication is the distribution of reviews from where they were collected to other places they can appear — a retailer’s site, a comparison engine, Google Shopping..

  • Google Place ID

    The unique identifier Google assigns to a place. Find yours below.

  • Google Business Profile

    A Google Business Profile is the free listing a business has on Google Search and Maps — name, hours, photos, and the reviews customers leave..

  • Rich results and rich snippets

    Rich results are search results enhanced with extra detail pulled from structured data on the page — star ratings, prices, images, FAQs, recipe times..

  • Review gating

    Review gating is the practice of filtering who is asked to leave a public review, so that satisfied customers are invited and unhappy ones are not..

  • Reputation management

    Reputation management is the practice of monitoring and influencing what is publicly said about a business — reviews, search results, press and social mentions..

  • Widget, plugin, app or embed

    A widget is a self-contained block of functionality embedded into a page.

  • NPS, CSAT and CES

    NPS, CSAT and CES are survey metrics for measuring customer sentiment.

  • Facebook Recommendations

    Facebook Recommendations are the replacement for Facebook star reviews, introduced in 2018.

How this section is written

The answer in the first two sentences. A section on what most people get wrong, because that is the part not already available elsewhere. Tables and numbered steps rather than prose where the content allows. Dates kept true.

Not legal advice

The pages on the FTC rule, platform policy and GDPR are summaries by people who are not lawyers. Have one read anything you rely on.

Questions