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Marketplace SEO: Bring Buyers and Sellers from Google and ChatGPT

Marketplace SEO is the work that brings both sides of a platform from search: the buyer who types "used road bike size 56" and the seller who asks "where to sell vintage furniture". Sorank does the editorial part for marketplace operators. It finds the questions of each category, publishes guides that link to your category pages, writes the articles that recruit sellers, and tracks every month which platforms ChatGPT, Claude and Gemini recommend in your market.

Listing templates, filters and indexing rules stay with your product team. Sorank publishes through WordPress, Webflow or a webhook to a custom stack, from $49 a month.

Man with dark hair and beard wearing a light brown shirt speaks in front of a microphone on a podcast or recording setup.Portrait of a man with short dark hair wearing a white shirt and dark jacket, looking directly at the camera with a neutral expression.Man with short dark hair, beard, and clear glasses wearing a black t-shirt with a white circular logo, standing in front of a stone wall.Celio fabianoSmiling young woman with long brown hair wearing a red top and necklace, outdoors in a tree-filled background.Profile photo of Xavier Breull, Sorank customer
Google
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5/5
+5,000
users
Competitors ranking in Sorank built from every AI analysis of a demo site: five domains with their citations per model, visitors, keywords and Google position, the demo site highlighted at rank 4
  • Assurances Van Herpe
  • Abecassis Avocat
  • Maison Leverage
  • Addictik
  • DBW
  • The New Black AI
  • AlloTaxis
  • Althévia
  • Luvaika
  • Apollo Health Institute
  • Art Vision Awards
  • The Deployer
  • Bolieu
  • Borrello
  • Fullstack
  • Immersion Cinéma
  • Decovase
  • TheArsenale
  • Silénis
  • LAB N°4
  • Suigar
  • Fripe'in Store United
  • Informanet
  • Mon Robot Lave Vitre
  • Inova Green
  • JurisCorrect
  • Home Services Lux
  • Laponie Trip
  • Le Mary Lili
  • Outside The Box
  • Mat-Elect
  • Natis Lab
  • LV3D
  • Neutraliz
  • PES Engineering
  • Petite Diane
  • PM Business Support Services
  • PolitiMind
  • TribuColor
  • Zero Data Protocol

27,199

Articles created

11,080,695

Visits from Google

18,446

Visits from AI

Keyword library of a demo store in Sorank: one topic split into P1 core, P2 supporting and P3 exploratory categories, each keyword with its intent, difficulty and volume, filtered on difficulty 0 to 20

Guides that give each category page something to stand on

A category page lists offers that change every day, so it rarely holds enough stable text to rank on its own. Buyers search around it: "best used camera for beginners", "how to check a second-hand e-bike battery", "is a refurbished iPhone worth it". Sorank builds a keyword library for each category, split into core, supporting and exploratory topics, then publishes one guide per search with a link to the matching category page.

Each library is built in the topical cluster generator.

Be the platform ChatGPT names when buyers ask where to buy

"Safest site to buy used concert tickets", "best place to rent camping gear", "is it safe to buy a watch on a marketplace": these questions now go to ChatGPT, Gemini or Perplexity, and the answer names two or three platforms. Sorank asks the prompts you choose every month, sorts them by intent (comparison, understanding, benefits) and shows which ones cite your marketplace and which ones cite Amazon, eBay or a niche rival instead.

Write and sort your prompts in AI prompt research.

Try for Free

Tracked prompts of a demo site in Sorank sorted by intent, Comparison, Understanding and Benefits, with the AI models that mention the site and the visibility of each prompt
Select keywords window over the Sorank content calendar of a demo store: two keywords picked from a P1 core silo, with their intent, difficulty and volume, ready to be added as two articles

Recruit sellers with the searches they make

A marketplace without new sellers runs out of offers, and sellers search too: "where to sell handmade candles online", "marketplace fees for selling furniture", "how to photograph clothes to sell". Sorank adds these questions to your plan next to the buyer topics, and each seller article links to your "sell on" page and your fee table.

You choose the topics of the month in the content calendar.

How it works

Connect the platform

WordPress or Webflow connect in a few minutes; a custom or headless marketplace receives the articles through a webhook into its guides section. Sorank then reads your Search Console data to see which categories already collect impressions.

Map your categories and your seller pages

List your main categories, your "sell on" page and your fee page. Sorank proposes the buyer questions of each category and the questions of future sellers, and keeps two articles from ever chasing the same search.

Publish, then compare categories

Guides go live on the days you choose, or wait as drafts for the category manager. Their Google clicks and the AI answers that cite your marketplace sit in the same dashboard.

What Sorank publishes for a marketplace

  • Category buying guides"How to buy a used e-bike: battery, frame and paperwork to check", linked to your e-bike category.
  • Price and value answers"What is a fair price for a second-hand sofa?", the question buyers ask before they open a listing.
  • Trust and safety explainersHow payment protection, returns and seller checks work on your platform, written from your own rules.
  • Seller recruitment articles"How to sell vintage clothes online: fees, photos and shipping", linked to your "sell on" page.
  • A monthly AI reportWhich platforms ChatGPT, Claude and Gemini recommend for your categories, and the pages they quote.
  • Search Console follow-upPages that grow, decline or lose their clicks, with the articles written by Sorank marked.

THEY TRIED SORANK BEFORE YOU

Testimonials from ambitious founders

Organic growthE-commerce

0 to 10000 visitors in 5 months

Celio Fabianomonrobotlavevitre.fr
Organic growthLeisure and aviation

0 to 1104 clicks in 4 months

Dominiqueflight-sensations-idf.com
Organic growthMusic software

x55 clicks in 5 months

Valentin Cordiertiger-sounds.com
Organic growthPhotography

x6.6 clicks in 4 months

Gil Zetbaseartvisionawards.com
Organic growthLaw firm

x4.2 clicks in 5 months

Laura Abecassisabecassis-avocat.fr
Organic growthE-commerce

x4 traffic in 5 months

Karl Emeriklv3dofficiel.fr
Organic growthMarketing Agency

x2.7 traffic in 5 months

Thomas Giraudthe-deployer.fr
Organic growthFashion

x2.5 clicks in 6 weeks

Alice Attalipetitediane.com
Organic growthFine food

x2 clicks in 7 weeks

Frédéric Chaineerablechezsenequier.com
Organic growthSoftware

0 to 5000 clients in 8 months

Thibault BMsorank.com
Organic growthLead generation for installers

x98 clicks in 2 months

LeadBolt Agencyleadbolt.online
Organic growthHealth and wellness

x44 clicks in 5 months

Rodrigue Bretonalthevia.com
Organic growthE-commerce

x6.2 clicks in 7 weeks

Celio Fabianosentinelle-auto.fr
Organic growthHome services

x4.2 clicks in 3 months

Petit Prince Servicespetitprinceservices.fr
Organic growthTravel

x3.3 clicks in 6 weeks

Jenny Diablaponie-trip.fr
Organic growthPest control

x2.6 clicks in 3 months

A. Mechrafitracknuisibles.fr
Organic growthE-commerce

x2 traffic in 30 days

Patrice Meignanthearsenale.com
Thibault Besson-Magdelain, Founder of Sorank

Founder’s Note.

I ran my own SEO agency for years. I built Sorank to deliver the same results to every business, at scale.

Everything I know about Google rankings and Generative Engine Optimization (GEO) is coded into this software, and it runs on autopilot for you.

Thibault Besson-MagdelainFounder of Sorank

Try for Free

What is marketplace SEO?

Marketplace SEO is the work that gets a multi-vendor platform found on Google and named by AI assistants: its category pages, its listings, its seller profiles and the guides around them. It differs from the SEO of a single store in three ways. Sellers write most of the content, so quality and duplicates escape your control. Listings appear and expire every day. And the number of URLs grows with every filter, which makes crawling a topic of its own.

The term also covers the opposite job, sellers who optimize their listings inside Amazon or eBay: our guide to Amazon SEO covers that side. A brand that sells only its own products is closer to ecommerce SEO.

Which marketplace pages should Google index?

The pages a buyer would land on: category pages, a few stable combinations such as category and city, seller profiles with real content, and live listings. Internal search results, endless filter combinations and expired offers usually should stay out of the index (see faceted navigation SEO).

Size changes the rules. Google wrote its crawl budget guide for sites of more than 1 million unique pages whose content changes weekly, and for sites of 10000 pages or more that change daily: most marketplaces fit one of the two. The guide asks for a 404 or 410 code on pages removed for good, and warns that soft 404 pages keep being crawled and waste the budget. For listings with a known end date, the unavailable_after rule of the robots meta tag tells Google not to show the page after that date. When Search Console reports pages as crawled, currently not indexed, the cause often sits in these rules.

How do you handle duplicate listings and seller content?

Choose one URL per product and let the others point to it. When twelve sellers list the same phone, Google's documentation on how to consolidate duplicate URLs gives the reasons to declare a canonical: gather the signals of similar pages, and stop spending crawl time on duplicates. Our glossary entry on the canonical tag explains the markup.

Seller descriptions and reviews are user-generated content, and spammers know it. Google's page on how to prevent user-generated spam recommends a ugc or nofollow attribute on links in untrusted content, a noindex on posts from new accounts until they earn a reputation, and moderation of some actions. These rules live in your platform; the articles Sorank publishes add the stable, edited text that seller pages lack.

Why do AI assistants send buyers to Amazon rather than to you?

Because the large platforms are the pages they read most often on commercial questions, and that habit moves. In our Amazon AI citation study, Amazon went from 2% of the AI answers measured in August 2025 to 0.87% in August 2026, after a peak of 2.75% in October 2025. The slot is not locked: on each buying question, the giant competes with guides, review sites and specialist platforms.

A niche marketplace earns that slot by becoming the reference of its category: the guide that explains how to buy safely, the price ranges, the checks to make, published on its own domain. It also needs to be present on the review sites and forums the assistants quote; our article on review sites in AI recommendations lists them. The GEO leaderboard shows which platforms the AIs cite in your category, month after month.

Which keywords should a marketplace target?

Sort them by side and by intent, and give each group its own page:

  • Category and attribute: "used road bike size 56", "velvet armchair vintage". Your category and filter pages answer them.
  • Trust: "is it safe to buy a used iPhone online". An article on your checks and protections.
  • Price: "how much is a used Leica worth". A guide with price ranges by condition.
  • Comparison: "rent or buy a camper van". An article that weighs both, with a link to each category.
  • Seller side: "where to sell old vinyl records". Your "sell on" page and the seller articles around it.

What does Sorank do, and what stays with your team?

Sorank handles the editorial layer: keyword research by category, buyer guides and seller articles written in your voice, internal links to your category and "sell on" pages, publication on WordPress, Webflow or a custom stack through a webhook, monthly tracking of the AI answers, and your Search Console data in one dashboard. It does not edit listings or seller profiles.

Your product and engineering team keeps the listing templates, filters, canonical tags, sitemaps, structured data and the rules for expired offers. Your trust and safety team keeps the moderation. The Search Console view in Sorank shows which pages gain or lose clicks, so both teams know where to look first.

Google Search performance of a demo site in Sorank: pages ranked by clicks with their impressions, position and click trend, the Popular, Growing, Declining and Lost tabs and the Sorank articles marked
The Declining and Lost tabs flag the pages that drop, a useful alert when many listings expire at once.

How much does marketplace SEO cost?

Sorank costs $49 a month per site on the annual plan, or $99 month to month, for 20 articles and 10 tracked AI prompts. Pro ($129 annual, $249 monthly) publishes 60 articles, tracks 20 prompts and adds Grok; Business ($249 annual, $499 monthly) goes to 120 articles and 50 prompts (see pricing). A marketplace with many categories and two sides to serve usually needs Pro or Business. You start with a 3-day free trial, and each plan carries a 90-day results-or-refund guarantee.

How long before guides bring buyers and sellers?

Google gives no fixed delay. A new guide first shows impressions in Search Console, then clicks, and a group of guides on one category builds over several months. Review each category after three months, then move the publishing toward the categories where impressions grow.

Frequently asked questions

Is marketplace SEO different from ecommerce SEO?

Yes. A store writes its own product pages, while a marketplace depends on what sellers write, on listings that expire every day and on a number of URLs that grows with every filter. Indexing rules and the seller side weigh more than for a single store.

Can Sorank fix the indexing of our listing pages?

No. Indexing rules, canonical tags, sitemaps and listing templates stay with your engineering team. Sorank publishes the guides and seller articles, and its Search Console view shows which pages gain or lose clicks.

Does Sorank work with a custom-built marketplace?

Yes. Sorank publishes to WordPress, Webflow, Shopify and Wix directly, and to any custom or headless platform through a webhook. Articles go live or wait as drafts.

How do I get my marketplace recommended by ChatGPT?

Publish the reference guides of your categories on your own domain, keep your platform listed on the review sites and forums the assistants read, then check every month the prompts where a rival is named instead of you.

How much does SEO for a marketplace cost?

Sorank starts at $49 a month per site on the annual plan, or $99 month to month, with a 3-day free trial. Pro and Business add articles, prompts, and Grok tracking.

How long does marketplace SEO take?

Several months. New guides show impressions before clicks; judge each category after three months of publishing, on its Search Console impressions, clicks and AI visibility.

How does Sorank compete with billion-dollar tools like Semrush?

We don't. Sorank isn't trying to be another Semrush or Ahrefs. Those tools are built for data, Sorank is built to do the work. Instead of more dashboards to check, it turns SEO and GEO insights into actions: articles written and published, backlinks earned, technical fixes and AI visibility tracking. Less complexity, more results.

How much does Sorank cost?

From $49/month per website on a yearly plan, with a 3-day free trial and a 90-day money-back guarantee (conditions apply). Every plan includes articles, AI visibility tracking and access to natural backlink acquisition; higher plans add more articles, more AI prompts tracked and more backlinks. No setup fees, no paying for seats you don't use.

You don't have time and a big budget?

You shouldn't need a full marketing team or expensive tools to grow. Sorank handles your entire SEO and AI visibility, so you save time and money.

Others

Feature

Cost

Keyword Analysis
$516
Rank Tracking
$120
Content generation
$89
Text optimisation
$49
Reporting
$19
Backlinks Analysis
$499
AI search analysis
$499
Automation
$40
SEO brainstorming
$80
Technical audit
$99
Cluster Generator
$60

Total

$2070
$99

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