If you have spent any time researching ways to grow your website’s visibility, you have almost certainly encountered the question: do review widgets support SEO and GEO? The short answer is yes and the long answer is that the impact is far greater than most website owners realise. Review widgets are not simply cosmetic additions to a product page or homepage. They are structured data engines, trust signal amplifiers and increasingly powerful tools for appearing inside AI-generated search answers.

This guide goes deep into both disciplines. We cover how review widgets contribute to traditional search engine optimisation (SEO) through schema markup, rich snippets and click-through rate improvements. We also explore how those same widgets are becoming a critical component of Generative Engine Optimisation (GEO), the emerging discipline focused on earning citations inside platforms like ChatGPT, Google AI Overviews, Perplexity and Google Gemini.

Every statistic and case study referenced in this article comes from published research and documented business outcomes. There is no invented data here.

What Are Review Widgets and Why Do They Matter Beyond Trust?

A review widget is an embeddable piece of code that pulls customer review data from a source (such as Google Business Profile, Trustpilot, Yotpo or a native review database) and displays it on a webpage in a formatted layout. Widgets can take many forms including star rating badges, scrollable carousels, testimonial grids, floating sidebars and aggregate rating banners.

The reason most marketers deploy them is social proof. When a visitor sees genuine five-star feedback from dozens or hundreds of verified buyers, conversion anxiety drops. That part is well understood. What is less widely understood is what happens on the technical side of the page when a well-configured review widget loads.

A properly coded review widget outputs structured data, specifically JSON-LD or Microdata formatted according to Schema.org vocabulary. This is the same language that search engines use to understand what a page is about without relying solely on reading its prose. When your review widget writes a valid AggregateRating schema block to your page, it is doing something that would otherwise require a developer to hardcode. It is telling Google exactly what your average star rating is and how many reviews support that rating. That one act unlocks a cascade of SEO and increasingly GEO benefits.

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How Review Widgets Support Traditional SEO

Rich Snippets and Click-Through Rate Improvements

The most visible SEO benefit of a review widget is the appearance of star ratings directly inside Google’s search results. These are called rich snippets or rich results and they require valid structured data to trigger. According to Google’s own documented case study, Rotten Tomatoes added structured data to 100,000 unique pages and measured a 25% higher click-through rate for pages enhanced with structured data compared to pages without it.

Industry data reinforces this consistently. Websites displaying rich snippets with star ratings see improvements in click-through rates ranging from 20% to 35% compared to equivalent listings that display no star rating. When an e-commerce store in a competitive category sits alongside its competitors in the search results, the listing showing “4.8 ★ (312 reviews)” alongside the page title is fundamentally different from a plain blue link. Users process visual trust signals almost instantly and that cognitive shortcut reliably translates into more clicks.

A local service business documented in a 2025 SEO case study moved its average rating from 3.9 stars to 4.5 stars and reported that inbound calls from Google doubled. A separate e-commerce store added review schema to its product pages and recorded a 28% increase in click-through rate within three months. These are not theoretical gains. They are the kinds of results that repeat themselves across industries when structured review data is implemented correctly.

AO.com, the prominent UK online appliance retailer, incorporated Trustpilot ratings into its Google Shopping ads and experienced a 58% increase in click-through rates. Made.com, the furniture company, attributed a 20% increase in organic traffic directly to its effective use of Trustpilot reviews embedded across product and category pages.

Fresh User-Generated Content as a Ranking Signal

Search engines reward pages that are updated regularly with relevant content. Customer reviews are one of the most sustainable sources of fresh content available to any business. Every new review that a widget pulls onto a product page or service page adds new words, new keyword variations and a new timestamp to the page’s content inventory.

Think about what a genuine customer review contains. It uses natural language variations of your product name. It mentions specific features, use cases and outcomes. It includes geographic references if your customer base is local. It answers questions that future buyers might ask. None of this content cost you anything to write and all of it is indexed alongside your own copy.

Google has been explicit for years about valuing fresh and relevant content. Review widgets that auto-sync new reviews from third-party platforms keep product pages alive with this signal continuously. Platforms like Trustpilot, which processes a new review approximately every two seconds according to the company’s own data, give active businesses a relentless stream of indexable content arriving on their pages without any manual effort.

Schema Markup as a Foundation for Search Visibility

The broader schema landscape matters here. As of 2024, according to Schema.org’s own data, 45 million domains were using some form of markup on their pages. Research by Backlinko found that 72.6% of pages appearing on the first page of Google use schema. Yet overall adoption across all websites sits at just 30% according to Searchmetrics. That gap represents a real competitive opportunity.

Review schema specifically is one of the markup types that Google has continued to support and prioritise. Following Google’s structured data simplification in 2025, in which the company retired several underused schema types, John Mueller of Google confirmed on Reddit that “Google is not killing schema” and clarified that core types including Review and AggregateRating remain vital for products, recipes and services. These are exactly the schema types that well-built review widgets generate automatically.

Google’s Gary Illyes has stated that schema markup “will help us understand your pages better and indirectly it leads to better ranks in some sense because we can rank easier.” The pathway is indirect but documented: structured data improves machine understanding of content, better understanding enables richer presentation in search results, richer presentation drives higher click-through rates and stronger engagement signals which over time support rankings.

Data from a joint study by Rakuten and Google found that pages with schema markup received 2.7 times more organic traffic and had average session durations 1.5 times longer than pages without it. Users arriving at pages they trust (because they already saw positive review signals in the SERP) behave differently once they arrive. They read more, stay longer and convert at higher rates.

Review Widgets and Local SEO

For businesses with physical locations or local service areas, review widgets carry additional weight. Reviews account for approximately 10% of local SEO ranking factors according to LocaliQ research. Businesses appearing in Google’s Local Pack (the map-based result showing three businesses prominently) benefit substantially from both review volume and rating quality.

Research from BrightLocal found that star ratings displayed in Local Pack results generate significantly higher click-through rates than equivalent organic results. The same research showed that 82% of consumers read online reviews when searching for local businesses and that the average consumer spends nearly 14 minutes reading reviews before deciding on a business. A review widget on your website that mirrors and reinforces your Google Business Profile signals creates a consistent trust ecosystem across both touchpoints.

Top-ranking local businesses on Google average approximately 47 reviews according to data from Sixth City Marketing. The average local business has around 39 Google reviews. For most categories this means reaching 40 to 50 recent reviews with a continuous flow of new ones represents a practical competitive benchmark. A review widget that automatically imports and displays new reviews keeps this flywheel visible to both visitors and crawlers simultaneously.

How Review Widgets Support GEO (Generative Engine Optimisation)

Understanding GEO and Why It Is Now Essential

Generative Engine Optimisation is the practice of structuring content and earning authority signals so that AI-powered platforms cite your website when generating answers to user queries. When someone asks ChatGPT “which project management tool is best for remote teams” or queries Perplexity about “most trusted email marketing platforms,” these systems synthesise answers from multiple sources and attribute citations to the most authoritative and relevant content they can find.

The scale of this shift is not hypothetical. AI-referred sessions jumped 527% year-over-year in the first five months of 2025 according to Previsible’s 2025 AI Traffic Report. ChatGPT reached 800 million weekly active users in October 2025, doubling from 400 million users in February of the same year. Perplexity surpassed 780 million monthly queries. More than 71% of Americans now use AI search to research purchases or evaluate brands.

Traditional SEO gets you ranked in a list of blue links. GEO gets you cited inside a synthesised answer that millions of people read without ever scrolling past. As of September 2025, AI Overviews appear in 20% of all Google searches. LLMs on average cite only 2 to 7 domains per response compared to the 10 blue links Google’s traditional results offer. The competition for that smaller number of citation slots is intense and the brands that understand how review signals contribute to winning those slots have a significant early-mover advantage.

Why AI Systems Trust Review Signals

Research from Princeton University and IIT Delhi has demonstrated that content with proper schema markup shows 30% to 40% higher visibility in AI-generated answers. A benchmark study by Data World found that LLMs grounded in structured knowledge achieve 300% higher accuracy compared to those relying on unstructured data alone. This is the mechanism by which review widgets contribute to GEO: they generate structured signals that AI engines can read with confidence.

AI platforms use Retrieval Augmented Generation (RAG) to synthesise answers. This technology retrieves relevant information from indexed content and uses it to generate human-like responses. Content that is structured, semantically clear and well-attributed performs better inside RAG pipelines because the retrieval step can extract meaning efficiently. Review schema does exactly this. It gives AI systems unambiguous data about quality, volume and recency of customer sentiment. That data is portable across AI platforms the same way it is portable across traditional search engines.

A 2025 academic paper published on arXiv examining generative engine optimisation across multiple verticals found that AI Search systems “exhibit a systematic and overwhelming bias towards earned media (third-party authoritative sources) over brand-owned content.” This is a fundamental insight for anyone asking do review widgets support SEO and GEO simultaneously. The answer on the GEO side is that review platforms themselves (Trustpilot, Google, Yelp, G2, Capterra) are high-authority third-party sources that AI systems trust deeply. Embedding their content into your site via a widget creates a bridge between their authority and your domain.

Trustpilot directly addresses this in its AI visibility documentation, noting that businesses can use “Trustpilot’s high authority to your advantage and build a trusted reputation that gets noticed by the AI systems standing between you and your customers.” The platform’s established global presence means its profile pages for your business consistently land on the first page of search, delivering up to 500% more free referral traffic according to Trustpilot’s own data.

E-E-A-T and Its Intersection with GEO and Review Signals

Google’s E-E-A-T framework (Experience, Expertise, Authoritativeness and Trustworthiness) has always been a quality signal for human raters and increasingly it feeds into how AI systems evaluate content credibility. Authentic customer reviews are one of the most direct demonstrations of the Experience dimension. They represent documented real-world interactions with your product or service.

When an AI engine evaluates whether to cite your content, it is effectively running a version of E-E-A-T analysis. Pages that demonstrate consistent positive sentiment across a high volume of verified reviews, displayed via structured widgets that make this data machine-readable, communicate all four dimensions of E-E-A-T simultaneously. They show that real people have had real experiences with you, that you are active and responsive (especially if you respond to reviews), that others in your market acknowledge your authority and that you can be trusted to deliver on your promises.

Research tracking AI citation patterns found that approximately 76.1% of AI Overview citations also rank in Google’s top 10. This confirms that strong SEO fundamentals and GEO performance reinforce each other rather than compete. Building a review widget strategy that serves structured schema to search engine crawlers also positions the same trust signals for AI citation engines.

Earned Media and Third-Party Review Platforms as GEO Assets

The GEO research literature is consistent on one point that has major implications for review strategy: earned media outperforms owned media in AI citation patterns. Customer reviews on G2, Capterra and Trustpilot describe real experiences with your product. Industry journalists mentioning your company in news articles provide third-party validation. Community discussions on Reddit or Quora where users recommend your solution show authentic sentiment. When multiple independent sources discuss your brand in relevant contexts, AI systems develop clearer signals about your credibility.

This means the review widget on your website is only part of the GEO equation. The reviews that live natively on Trustpilot, on Google Business Profile, on Capterra or on G2 are themselves GEO assets. AI systems index these platforms directly. When someone queries an AI about which accounting software small businesses prefer, the AI retrieves data from review aggregators alongside your website. If your widget strategy has driven you to maintain a strong presence on multiple review platforms, you benefit from this pattern.

According to data from Shapo, Google holds approximately 57% to 58% of all online reviews. Google, Facebook, Yelp and TripAdvisor together host about 88% of all online reviews. For businesses whose review widgets pull from Google or these dominant platforms, the widget is directly importing content from sources that AI systems have already evaluated and trust.

Schema Markup as the Technical Bridge Between SEO and GEO

Microsoft Bing’s Principal Product Manager Fabrice Canel stated at the 2025 SMX conference in Munich that “Schema Markup helps Microsoft’s LLMs understand content.” This statement is not marketing language. It is a direct acknowledgement from one of the largest AI-powered search environments in the world that structured data is read by language models and used to improve the quality of generated answers.

Google’s own documentation states that the company crawls schema markup to enrich its Knowledge Graph, the underlying database that powers both traditional search and Gemini-based AI answers. When your review widget writes valid AggregateRating JSON-LD to your page, that data can enter the Knowledge Graph. Once it is there it is available to every Google product that draws from the Knowledge Graph, including Search, Maps, Shopping and Gemini.

Google continues to own approximately 89% of global search traffic. Gemini is leading the LLM race. The two facts together mean that investing in the schema output of your review widgets simultaneously serves both the traditional ranking algorithm and the AI answer system built on top of it. This is the clearest single answer to the question do review widgets support SEO and GEO: they are one of the few tools that serve both disciplines through a single technical implementation.

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Real-World Outcomes: What Businesses Have Actually Seen

ThriftBooks: 125% Organic Traffic Increase

ThriftBooks, an online used-book retailer, prominently deployed Trustpilot review widgets sitewide. The outcome documented by the company was a 125% increase in organic traffic alongside a jump in revenue growth from 80% to 180% in the year following the implementation. This is not a story about a marginal SEO improvement. It is a business transformation driven in large part by structured trust signals appearing consistently across the site and in the search results that drive its traffic.

TurboDebt: 14% Conversion Lift

TurboDebt, a debt relief service, added Trustpilot review widgets to its landing pages. The company reported a 14% conversion lift from this single change. In the financial services category where consumer trust is paramount and acquisition costs are high, a 14% improvement in conversion rate represents enormous commercial value from what is essentially a content and schema decision.

AO.com: 58% CTR Increase in Google Shopping

AO.com’s incorporation of Trustpilot ratings into Google Shopping ads produced a 58% increase in click-through rates. For a large-volume e-commerce retailer running substantial paid media budgets, a 58% CTR improvement of this magnitude means dramatically more traffic for the same spend and a lower effective cost per click. The trust signal from a recognisable review platform (rather than generic star ratings) was the variable that drove this outcome.

Made.com: 20% Organic Traffic Growth

The furniture company Made.com attributed a 20% increase in organic traffic to its use of Trustpilot reviews embedded via widget across its website. The mechanism was consistent with what the data predicts: review content added fresh keywords to product pages, schema markup enabled rich snippets and richer search result presentations drove higher click-through rates which in turn sent stronger engagement signals back to Google.

Trustpilot Revenue Study: 677% Revenue Increase from Search

Trustpilot’s own research into rich snippets found that having rich snippet stars visible in search listings can drive 20% to 30% more organic traffic and generate 677% more revenue from organic traffic. The revenue figure is particularly striking and reflects the combined effect of more traffic arriving alongside higher-intent traffic (users who have already been qualified by seeing positive review signals in the SERP before they click).

The Blog Site Star Ratings Test

A documented case study from an SEO review showed that a blog site implementing star ratings for “top tools” review articles saw a 22% boost in organic traffic after adding review schema. This outcome matters because it demonstrates the benefit extends beyond e-commerce and local businesses. Content-heavy sites, review blogs and comparison resources also benefit from the schema output of review widgets even when the “product” being reviewed is a third-party service rather than a proprietary item.

What Makes a Review Widget SEO and GEO Ready?

Not every review widget is created equal from a technical standpoint. A widget that renders reviews using client-side JavaScript without also writing structured data to the page’s server-side HTML delivers social proof to human visitors but contributes little to SEO or GEO. Google’s crawlers can process JavaScript but there are timing and rendering constraints that can prevent dynamically-generated schema from being fully indexed. Widgets that render JSON-LD into the page’s <head> or <body> at the server level are categorically more reliable for structured data purposes.

Here are the characteristics to look for when evaluating whether a review widget supports your SEO and GEO goals:

Schema Output Verification. Use Google’s Rich Results Test (available at search.google.com/test/rich-results) to verify that the widget’s structured data is being read correctly. A widget that claims to output schema but does not validate in this tool will not generate rich snippets regardless of the review quality it displays.

AggregateRating Markup. The specific schema type that triggers star ratings in search results is AggregateRating. Confirm your widget outputs this type with accurate ratingValue, reviewCount and bestRating properties. Without these values the markup is incomplete and will not qualify for rich results.

Auto-Sync Capability. Google and AI systems value content freshness. According to research comparing AI citation preferences, AI platforms prefer content that is 25.7% fresher than content cited in traditional search. A widget that auto-syncs new reviews ensures your structured data remains current and that your page receives a continuous signal of active customer engagement.

Review Platform Authority. As the GEO research makes clear, third-party platform authority matters enormously for AI citations. Widgets sourcing from Trustpilot (with its global brand recognition), Google Business Profile or major category-specific platforms (G2 for software, TripAdvisor for hospitality, Zocdoc for healthcare) carry more GEO weight than widgets sourcing from obscure or self-hosted systems.

Mobile Responsiveness. Google’s mobile-first indexing means a widget that renders correctly on desktop but breaks on mobile is actively harming your SEO. Review widgets that fail to display properly on mobile prevent the structured data from being associated with a quality page experience which reduces the likelihood of rich result eligibility.

Compliance with Google’s Review Snippet Guidelines. Following Google’s 2025 structured data guidelines update, the company clarified that review snippets are supported only when reviews are first-party, transparent and not auto-generated or syndicated from other sources without permission. Widgets displaying reviews collected directly from verified customers through compliant processes meet this standard. Widgets scraping third-party reviews without authorisation or displaying reviews aggregated from sources without proper attribution risk triggering quality filters.

Practical Implementation Strategy for WordPress

WordPress remains the world’s most widely used content management system and implementing an SEO and GEO-ready review widget on a WordPress site can be accomplished through several routes.

Plugin-Based Schema Output. Plugins like WP Review, Schema Pro and Yotpo’s WordPress integration write valid JSON-LD to your pages automatically. If your business collects its own first-party reviews, these tools handle the schema generation without requiring custom development. The Elfsight Reviews widget, for example, automatically generates review schema and aggregates testimonials across multiple platforms including Google and Trustpilot.

Third-Party Widget Embed with Schema Passthrough. Platforms like Trustpilot, Wiremo and WiserReview provide embed codes that include schema markup as part of the widget output. Pasting the embed code into a WordPress page through a custom HTML block, a theme’s header/footer injection field or a plugin like Insert Headers and Footers achieves full schema delivery without any additional development.

Google Search Console Monitoring. After implementing any review widget with schema output, register the pages in Google Search Console and use the Enhancements section to monitor how Google is reading the structured data. If errors appear (such as missing required fields or rating values outside acceptable ranges) the console will surface them directly. Addressing these errors promptly ensures the schema remains eligible for rich results.

AggregateRating JSON-LD Manual Implementation. For pages where a full widget is not desirable but star ratings in search results are, a lightweight JSON-LD block can be added manually to the WordPress page’s custom HTML or via the wp_head hook. The block requires only a few lines and can be updated manually as new reviews arrive. This approach is suitable for service pages, about pages or case study pages where displaying a full review widget would be visually disruptive.

The Convergence of SEO and GEO Through Review Signals

The most important insight to take from this analysis is that review widgets are one of the rare technical implementations that serve both traditional SEO and emerging GEO through the same mechanism. Structured review data improves how search engine crawlers understand and present your pages. That same structured data is increasingly how AI language models understand and represent your brand when generating answers to user queries.

The convergence matters because the two disciplines are growing toward each other. Research from Dataslayer confirms that Google currently sends 345 times more traffic than ChatGPT, Gemini and Perplexity combined as of September 2025. Traditional search still dominates volume. But AI-referred sessions grew 527% year-over-year in just five months. The trajectory is clear and the businesses building review widget infrastructure today are building an asset that appreciates in value as AI-powered search continues to grow its share of discovery.

The academic GEO research from Princeton and IIT Delhi demonstrated that “Statistics Addition and Quotation Addition” strategies improve AI visibility by up to 41% on Position-Adjusted Word Count metrics. Review content embedded via widgets provides precisely this: statistics (aggregate ratings and review counts) and quotations (verbatim customer feedback) naturally integrated into your page content. The alignment between what academic GEO research recommends and what a well-implemented review widget delivers is not coincidental.

Common Mistakes That Undermine Review Widget SEO and GEO Value

Displaying Only Five-Star Reviews. Counterintuitively, showing only perfect reviews reduces trust and therefore reduces conversion and engagement signals. Research from Trustmary identifies the optimal average rating range for consumer trust as 4.2 to 4.5 stars. A 4.4-star average with 200 reviews reads as more credible than a 5.0 average with the same count. AI systems trained on human behaviour patterns have absorbed this reality. Including a four-star review with a professional response from your team actually increases trust signals across both human and machine audiences.

Stale Review Content. Reviews from two years ago communicate that you have stopped actively serving customers. 73% of consumers trust only reviews from the last 30 days and 83% require recent reviews before acting, according to data cited by Shapo. Review widgets that do not auto-sync leave pages with outdated content that weakens both the social proof and the freshness signal that search engines and AI systems value.

Blocking AI Crawlers Inadvertently. One of the paradoxes of the current GEO landscape is that nearly 80% of top news publishers now block at least one AI training crawler via robots.txt according to Press Gazette research. For publishers focused on content licensing this may be a deliberate choice. For businesses attempting to earn GEO citations, unintentionally blocking AI bots from reading pages that contain review widgets is counterproductive. Audit your robots.txt and ensure that review-rich pages are accessible to the crawlers used by Perplexity, ChatGPT and Gemini.

Using Client-Side Only Rendering. As noted earlier, widgets that render entirely in the browser via JavaScript without server-side schema output create a crawlability gap. Googlebot can render JavaScript but the timing and resource constraints of doing so at scale mean that dynamically generated schema is less reliable than statically delivered JSON-LD. Prioritise widgets that deliver structured data at the HTML level rather than building it in the browser.

Ignoring Google’s First-Party Review Requirements. Google explicitly states that review snippets are supported when reviews are first-party, transparent and not auto-generated or syndicated without permission. Widgets that scrape third-party reviews without proper API authorisation risk violating these guidelines and may trigger manual review actions. Use widgets provided by official review platforms or those that connect through authorised APIs.

Looking Ahead: Review Widgets in the AI Search Era

The trajectory of search is moving toward answer engines that synthesise information rather than list links. In this environment, the businesses with the deepest and most structured review footprints across authoritative third-party platforms and their own websites will have a natural advantage. They will have more earned media signals for AI systems to trust, more structured data for those systems to process accurately and more consistent sentiment patterns that AI platforms can confidently cite.

Trustpilot’s positioning statement for 2025 reflects this reality: “Increase AI visibility with trusted third-party data and improve SEO and organic traffic with authentic review content.” This is no longer a future-state aspiration. It is the current operating environment.

BrightEdge’s Market Pulse reports documented a 752% year-over-year surge in e-commerce referrals coming from AI chatbots in late 2025. Surveys of more than 750 marketers found that 68% are already adapting content for AI search. The businesses asking do review widgets support SEO and GEO today are ahead of the 32% who have not yet recognised the need to adapt.

Review widgets support SEO and GEO not because they were designed for both disciplines but because the trust and authority signals that power them translate naturally across all the surfaces where consumer discovery happens. Star ratings and verified customer feedback were valuable in printed directories decades ago. They became even more valuable in web search. They are now becoming foundational inputs for the AI systems making recommendations to hundreds of millions of people every day.

The implementation is not complex. The opportunity is significant. The data is unambiguous.

Long Story Short

Do review widgets support SEO and GEO? They support both and in many cases they are the most efficient single investment a website can make to advance performance across both disciplines simultaneously.

For traditional SEO the mechanism is well evidenced: review widgets generate valid schema markup that enables rich snippets, rich snippets drive click-through rate improvements of 20% to 35% and the fresh user-generated content they surface keeps pages relevant and indexed with natural keyword diversity. Businesses like Made.com, AO.com and ThriftBooks have documented these outcomes in real numbers.

For GEO the mechanism is equally clear but less widely understood: AI search platforms rely on structured data, earned media authority and consistent trust signals to decide which sources to cite. Review widgets that source content from authoritative platforms like Trustpilot and Google provide exactly the kind of third-party validation that AI systems preferentially cite. Schema markup from review widgets creates machine-readable trust signals that feed into Knowledge Graphs and RAG retrieval pipelines with a reliability that unstructured page content cannot match.

The convergence of these two disciplines through review signals is one of the most actionable insights in modern digital marketing. Implement review widgets that generate compliant structured data, source from high-authority platforms, auto-sync fresh content and are verified through Google’s Rich Results Test. Maintain those implementations with regular audits. Encourage ongoing review collection to keep the content fresh and the ratings credible.

Every review your customers leave is a dual-purpose asset. It earns you trust from the humans reading your page and it earns you authority from the machines deciding whether to rank you, show your rich snippet or cite you in an AI-generated answer. That is the compounding return that makes review widget strategy one of the highest-leverage activities available in search marketing today.


Sources referenced in this article include published research from Schema App, Search Engine Land, Backlinko, Trustpilot, BrightLocal, Shapo, Yotpo, Searchmetrics, Princeton University, IIT Delhi, arXiv, Frase.io, Dataslayer, Previsible and Google Search Central documentation.