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Content Strategy for Marketplaces and Aggregators

How to plan content for a two-sided marketplace: INFORM Act and review rules, approvals, facet landing pages, seller education, costs and measurement.

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A content strategy for marketplaces and aggregators has to serve two audiences at once. Buyers need help choosing among thousands of listings they did not know existed a minute ago, and sellers need to understand how to list, price and behave so the marketplace stays worth visiting. The deliverables that do this well are buyer guides for major categories, seller education on listing and pricing, trust and safety explainers, and category landing pages. What makes the sector unusual is that most of the words on the site were written by somebody else, and the platform is still accountable for how the whole thing reads.

This page is for the people who own that problem: heads of content and SEO at marketplaces, founders of vertical aggregators and comparison sites, trust and safety leads who keep getting asked to review copy, and seller success teams who answer the same onboarding questions every week. It sets out the rules that constrain the work, who has to sign it off, the deliverables that earn their keep, how projects run through the year, what drives cost, how to brief a supplier and how to tell whether any of it is working.

We lead with compliance deliberately. On a marketplace, anything about fees, payouts and seller obligations has to match current terms, including the federal rules on verifying high-volume sellers. Content that drifts from the terms of service is not just embarrassing; it can create a promise the platform never meant to make. Everything else in the strategy is built on top of that constraint.

The rules that shape content strategy for marketplaces and aggregators

Three bodies of rules touch almost every marketplace content program in the US: the seller verification and disclosure duties in the INFORM Consumers Act, the Federal Trade Commission's enforcement against fake and manipulated reviews, and the platform's own contractual terms with buyers and sellers. None of them is primarily a content rule, but each one decides what content is allowed to say and who has to check it.

The INFORM Consumers Act: seller verification and disclosure

The INFORM Consumers Act took effect in June 2023 and imposes seller verification and disclosure duties on online marketplaces that host high-volume third-party sellers. The Federal Trade Commission enforces it alongside state attorneys general. In outline, a high-volume third-party seller is one that makes 200 or more discrete sales and passes a gross-revenue threshold set in the statute in any continuous 12-month period during the previous 24 months. For those sellers the marketplace must collect and verify bank account information, contact details and a tax identification number, ask them to keep that information current at least once a year, and suspend sellers who do not comply. Sellers above a second, higher annual revenue threshold generally have to have their name, physical address and contact information disclosed to buyers, with limited exceptions. Marketplaces must also give buyers a clear way to report suspicious activity.

For content teams, the practical consequences are specific. Seller onboarding pages have to explain what information will be requested and why, in terms that match the verification flow exactly. Help articles about account holds and suspensions have to describe the real process. Buyer-facing pages need a visible route for reporting suspicious listings. And any page that describes who the seller is, or how the platform checks them, becomes a statement the legal team will want to read before it goes live.

Reviews and ratings: what the FTC polices

The FTC polices review authenticity, and since October 2024 it has a trade regulation rule on consumer reviews and testimonials that prohibits, among other things, fake reviews, buying reviews conditioned on a particular sentiment, undisclosed reviews by company insiders, and suppressing negative reviews through threats or intimidation. Its Endorsement Guides also cover how incentivized reviews and material connections are disclosed. A marketplace is usually the host of reviews rather than their author, but content strategy still touches the issue in three places: the review guidelines you publish for buyers, the seller education that tells sellers what they may and may not do to solicit reviews, and any editorial content that quotes ratings or calls a product "top rated."

The safe pattern is simple. Editorial content describes how ratings are collected and moderated, never cherry-picks, and never presents a seller-supplied testimonial as independent. Seller education states plainly that offering refunds, gifts or discounts in exchange for positive reviews is not permitted, and explains the approved ways to ask for feedback.

Fees, payouts and pricing language

This is where most marketplace content goes wrong in practice. Commission rates, listing fees, payment processing charges, payout schedules, reserve policies and chargeback rules change more often than editorial pages get updated. A seller guide written eighteen months ago may still describe the old payout cadence. A buyer guide may still say "free shipping on most items" after the program changed. Each of those is a discrepancy between content and contract, and the contract wins.

Aggregators in travel have one more federal rule to know about. The FTC's rule on unfair or deceptive fees applies to live-event tickets and short-term lodging, and requires the total price, including mandatory fees, to be shown up front. If your aggregator lists short-term rentals or hotels, any content that displays or discusses prices has to follow the same total-price logic. The rule does not extend to other marketplace categories, so do not write copy that implies it does.

Outside the US

Marketplaces that serve buyers in the European Union also operate under the Digital Services Act, which includes trader traceability duties for online marketplaces and transparency obligations around how recommendations and rankings work. If your platform ranks listings algorithmically, a plain-language explainer of the main ranking parameters is both a compliance asset and useful buyer content. Treat this as a prompt to ask counsel which regimes apply to you, not as a complete map.

  • Seller verification INFORM Consumers Act duties to collect, verify and periodically recertify high-volume seller information
  • Seller disclosure Identity and contact details of larger high-volume sellers shown to buyers, with limited exceptions
  • Review authenticity FTC rule on consumer reviews and testimonials, plus the Endorsement Guides on disclosing incentives
  • Fees and payouts Every figure must match current seller and buyer terms on the day it publishes
  • Who approves Content lead, with trust and safety, seller success and legal on regulated topics
  • Source of truth The terms of service and fee schedule, never last year's help article

Note: This is a practical note for planning content, not legal advice. Thresholds, exceptions and enforcement priorities change, and how the INFORM Consumers Act or the FTC's review rule applies depends on your platform's structure. Have your own counsel confirm any statement about seller obligations, verification or disclosure before it publishes.

Who signs it off: the approval chain on a marketplace

On most marketplaces, content is owned by a content lead working with the trust and safety and seller success teams. That sounds simple, but the reality is a matrix: different content types touch different risks, and each risk has a different owner. Mapping this before any writing starts is the single cheapest way to avoid rework, because the most expensive edit is the one that arrives from legal the day before launch.

Content typePrimary ownerMust also approveSource of truth to check against
Buyer guides for major categoriesContent leadCategory manager; trust and safety if the guide covers counterfeits or restricted itemsCategory policy, restricted items list
Category landing pagesContent lead with SEOCategory manager; product or engineering for template changesTaxonomy, facet definitions, indexation rules
Seller education on listing and pricingSeller successContent lead; payments or finance for anything about fees and payoutsSeller agreement, fee schedule, listing policy
Seller onboarding and verification helpSeller successTrust and safety; legalVerification flow, INFORM Consumers Act procedures
Trust and safety explainersTrust and safetyLegal; content lead for clarity and toneEnforcement policies, appeals process
Review and rating guidelinesTrust and safetyLegalReview policy, moderation procedures
Help center and FAQ contentSupport operationsThe owner of whatever the answer describesCurrent product behavior and terms

Two rules keep this matrix workable. First, every content type has exactly one primary owner who can say "ship it." Consulting approvers comment; they do not each hold a veto over wording that has nothing to do with their risk. Second, approvers review against a named source of truth. "Legal approved it" is not a useful record; "legal checked the payout paragraph against seller agreement version 14" is.

What marketplaces and aggregators are dealing with

Marketplace content problems are not the same as brand-site content problems with more pages. They come from the business model itself.

Two-sided growth

A marketplace needs buyers to attract sellers and sellers to attract buyers. Content has to feed both sides, and the two sides want different things. Buyers want to compare and trust; sellers want to earn and avoid penalties. A strategy that only produces buyer-facing SEO content starves supply-side onboarding, and a strategy that only serves sellers leaves category pages thin. The editorial calendar has to budget explicitly for both.

Enormous catalogs of other people's data

Most of a marketplace's pages are listing pages written by sellers, often in a hurry, often copied from a manufacturer, sometimes machine-translated. You own the template but not the words. That creates duplicate content across sellers of the same item, inconsistent attribute naming, missing specifications and titles stuffed with keywords. Content strategy cannot rewrite a million listings, but it can set listing standards, supply templates and examples, and create the category-level content that gives search engines and buyers a coherent layer above the noise.

Quality control you only partly own

You can write listing guidelines, but sellers decide whether to follow them. The levers you do control are defaults (required fields, attribute pick-lists, title templates), incentives (search ranking signals that reward complete listings) and education. Good seller education is quality control by persuasion, and it is usually cheaper than enforcement.

The technical layer underneath

Four technical issues shape what content can achieve: image normalization at scale, structured data, search and faceted navigation, and performance under catalog growth. Images uploaded by thousands of sellers arrive in every size, background and aspect ratio, and normalizing them affects both page speed and how professional the category pages look. Structured data for products, offers, ratings and breadcrumbs has to be generated from listing data that may be incomplete. Site search and faceted filters decide how buyers actually move through the catalog. And every one of these gets harder as the catalog grows. Content strategy does not fix these problems alone, but it has to be designed with them in mind, which is why the work usually sits close to SEO services built for marketplaces and the engineering team that owns templates.

Faceted navigation, the biggest technical SEO problem in the sector

Faceted navigation is usually the biggest technical SEO problem in the marketplace sector, and it is also a content problem in disguise. Filters for brand, size, color, price band, condition, location and seller type can combine into millions of URLs. Most of those combinations have no search demand and near-identical content. A few have real demand and deserve a proper landing page with an introduction, buying advice and internal links.

The strategic decision is which combinations become indexable category landing pages and which stay as crawlable-but-not-indexed or entirely blocked filter states. That decision needs three inputs: search demand for the combination, enough inventory to make the page useful (a landing page for a combination with four listings is a thin page), and a content owner who will maintain the copy. Content strategy supplies the third input and helps judge the first two.

A workable rule set for facet indexation

  • Index single-facet pages for the category's main attributes when search demand and inventory both exist, for example "leather sofas" inside a furniture category.
  • Index selected two-facet combinations only where research shows people search the combination by name and inventory stays reliably above a minimum you set.
  • Do not index sort orders, price sliders, pagination beyond the logical set, or three-plus facet combinations unless there is a specific, documented reason.
  • Give every indexed facet page unique content: an introduction, buying considerations, and links to related guides. If you cannot write that content, the page should not be indexed.
  • Review the list every quarter as inventory and demand move.

Myth: More indexed category pages always means more organic traffic for a marketplace.

Reality: Indexing thin filter combinations spreads crawl attention and link equity across pages that cannot rank, and it can drag down how search engines assess the whole site. A smaller set of well-built landing pages, each with genuine content and enough inventory, usually does better than a sprawl of empty ones.

The deliverables that work for marketplaces

Four deliverable types do most of the work. Each one has a different job, a different owner and a different maintenance burden.

Buyer guides for major categories

A buyer guide answers the questions a shopper has before they know which listing they want: what types exist, which specifications matter, what quality looks like, what a fair range of trade-offs is, and what to watch for. On a marketplace, a good buyer guide also teaches people how to use the platform's own filters. "If durability matters, filter by frame material and check the seller's return window" is advice only a marketplace can give. Buyer guides should cover the categories that drive the most revenue and search demand first, and they should never make claims about specific sellers or products that the platform cannot stand behind.

Category landing pages

Category landing pages are where content strategy and faceted navigation meet. The copy on these pages is short compared with a guide, typically a focused introduction, a handful of buying considerations and links to deeper content, but it has to be unique, accurate and maintained. Templates matter: define which blocks appear on every category page (introduction, top subcategories, buying considerations, related guides, FAQ) so writers fill a structure rather than inventing one each time. The template design usually needs input from the team handling web design and development for marketplaces, because placement affects both conversions and how much listing content appears above the fold.

Seller education on listing and pricing

Seller education is the lever that improves the thousands of pages you do not write. It covers how to write a title that follows the platform's pattern, which attributes to complete, how to photograph products to meet image standards, how to price competitively, how fees and payouts work, and what behavior leads to penalties. Every word about fees and payouts must match current terms. The best seller education is short, example-led and tied to specific points in the seller workflow, so a seller sees the photo guidance on the image upload screen, not in a PDF they downloaded once.

Trust and safety explainers

Trust and safety explainers tell both sides how the platform keeps the marketplace safe: how sellers are verified, how counterfeit and prohibited items are handled, how disputes and refunds work, how reviews are moderated, and how to report a problem. These pages build buyer confidence and reduce support volume, but they are also statements about the platform's processes that regulators and plaintiffs can read. They need trust and safety to own the substance and legal to approve the final wording.

Help center and question content

Most marketplaces already have a help center; few treat it as part of their content strategy. Help articles attract a large share of logged-in traffic and a surprising amount of search traffic for queries like "how to return an item on" your platform. The decisions about structure, scope and maintenance are covered in our piece on FAQ pages and question content, and they apply directly here.

Note: Trust and safety and seller-obligation content describes processes that may carry legal weight. This guidance is about content planning and is not legal advice. Route final wording on verification, disclosure, suspensions and review policies through your legal team.

Seasonality: shopping peaks for buyers, continuous onboarding for sellers

The two sides of a marketplace run on different calendars. Buyer demand follows shopping seasons: the late-year holiday period, back-to-school, spring home and garden, and category-specific peaks such as wedding season for jewelry or summer for outdoor gear. Seller content runs continuously, because new sellers join every week and existing sellers need updates whenever terms, tools or policies change.

That split changes how the calendar is built. Buyer-facing category guides and landing pages for a seasonal peak need to be live and indexed well before the peak, typically a few months ahead, so they have time to be crawled and to earn links. Refreshes of existing guides should land before the season rather than during it, when engineering freezes often restrict template changes. Seller content, by contrast, is best produced in a steady cadence with a fast-track lane for policy changes, because a fee change cannot wait for the next monthly batch.

There is one more seasonal pattern worth planning for: seller preparation content before buyer peaks. Sellers need to know about shipping cut-off dates, inventory planning and holiday return policies before the rush starts. That content is seller-facing but timed to the buyer calendar, and it is often the most valuable seller education of the year.

How a marketplace content strategy project runs

A typical engagement moves through five stages. The durations depend on catalog size, the number of approvers and how much content already exists, so treat the sequence as the fixed part and the timing as something to agree in the quote.

1. Audit and inventory

Start with what exists: category pages, guides, help articles, seller documentation, policy pages, and the indexation status of facet URLs. The audit flags content that contradicts current terms, thin category pages, duplicated seller education and gaps in the buyer journey. Our explanation of what a content audit includes covers the method; on a marketplace the addition is a terms-accuracy check on every page that mentions fees, payouts or seller obligations.

2. Demand and taxonomy mapping

Map search demand onto the category tree and facet structure. This produces the list of categories that deserve guides, the facet combinations that deserve landing pages, and the questions that should become help or FAQ content. It also surfaces taxonomy problems, such as categories named in internal jargon that nobody searches for.

3. Standards and templates

Write the listing standards for sellers, the templates for category pages and guides, the voice and terminology rules, and the approval matrix. This is the stage that makes content scale, because it lets many writers and sellers produce consistent work.

4. Production in priority order

Produce content in the order the demand map and business priorities set: highest-revenue categories first, seasonal content ahead of its season, and seller education tied to the biggest sources of listing quality problems or support tickets. Every piece passes through its content type's approval chain.

5. Measurement and maintenance

Set up reporting, schedule reviews for content that depends on terms or policies, and re-run the facet indexation review each quarter. On a marketplace, maintenance is not optional; stale fee information is a liability, not just a missed opportunity.

A worked example: planning the first quarter for a home goods marketplace

The following example is illustrative. The numbers are invented to show the method, not drawn from a client.

Imagine a home goods marketplace with 40 top-level and second-level categories, roughly 250,000 active listings from around 3,000 sellers, and a facet system that can generate several hundred thousand URL combinations. Its content today is a help center, a seller handbook last updated two years ago, and category pages that show listings with no introductory copy.

The audit finds that the seller handbook describes a payout schedule that changed a year ago, and that 60 help articles reference an old returns window. Those are the first fixes, because they are contract mismatches. Demand mapping shows that 12 of the 40 categories account for most of the category search demand, and that about 150 two-facet combinations (such as material plus furniture type) have meaningful search volume and more than a minimum inventory level the team sets.

The first quarter's plan therefore looks like this:

  • Weeks 1 to 2: correct every page that contradicts current terms, starting with payouts and returns, with finance and legal sign-off.
  • Weeks 2 to 6: write buyer guides for the top 12 categories, each linked from its category page.
  • Weeks 3 to 8: build the category page template and write introductions for the 40 categories plus the first 50 of the 150 facet landing pages, prioritized by demand.
  • Weeks 4 to 10: rewrite seller education on titles, attributes and photography as short modules, placed inside the listing workflow.
  • Weeks 8 to 12: publish trust and safety explainers for verification, disputes and reviews, and set up measurement.

The remaining 100 facet landing pages move into the second quarter, along with seasonal guides for the spring peak. The facet review also produces a list of combinations to de-index. The plan is deliberately weighted toward fixing and structuring before expanding, which is where marketplace content programs tend to get the fastest return.

What drives the cost of marketplace content strategy

Content strategy work starts at $6,500.00 per month with us. The pricing page puts every rate next to what the US market typically charges, and a quote turns the range into one number for your volume. What moves a marketplace engagement above the starting rate is usually one of the following.

  • Catalog breadth. The number of categories and the number of facet combinations that warrant landing pages decide how much planning and writing is needed.
  • Approval complexity. Content that must pass trust and safety, finance and legal takes more coordination than content one person can approve. Heavily regulated categories add further review.
  • Terms volatility. If fees, payouts or policies change often, maintenance becomes a standing part of the work rather than an occasional task.
  • Both sides of the market. A program covering buyer guides, seller education and trust content is bigger than one covering a single side.
  • Languages and regions. Each market adds translation, localization and a check against that market's own rules.
  • Technical dependencies. Template changes, structured data and facet indexation need engineering time on your side and coordination on ours.

If you are weighing whether to build this capability internally instead, our comparison of in-house versus agency content marketing sets out the trade-offs. Many marketplaces land on a hybrid: the strategy, templates and category content from a supplier, with seller success writing the day-to-day updates inside the standards.

How to brief a supplier on marketplace content

A good brief saves weeks. The supplier needs to understand both sides of the market, the approval chain and the constraints before proposing anything. Give them the documents, the access and the decisions you have already made, and be explicit about what is off-limits.

  • Current buyer terms, seller agreement and fee schedule, with the date and version of each
  • Your INFORM Consumers Act verification and disclosure procedures, as they appear to sellers
  • Review and rating policy, and how moderation works
  • Category tree, facet list and current indexation rules for filter URLs
  • Search Console and analytics access, including site search data
  • Top support ticket themes from both buyers and sellers
  • The approval matrix: who owns each content type and who must also approve
  • Seasonal calendar for buyer peaks and any planned policy or fee changes
  • Restricted and prohibited item lists, and categories that need extra review
  • Existing voice, terminology and style rules, if any
  • Engineering constraints: template change windows, code freezes, structured data ownership

It also helps to agree how the supplier will learn about terms changes. The cleanest arrangement is a named contact in legal or payments who notifies the content lead whenever terms change, with a standing list of pages to review. Without that, content drifts out of date no matter how good it was on launch day.

Questions to ask the supplier

  • How do you check content that mentions fees, payouts or seller obligations against current terms?
  • How would you decide which facet combinations should become indexable landing pages?
  • How do you plan for both buyer and seller content in one calendar?
  • What does your maintenance process look like when a policy changes mid-quarter?
  • How will you measure whether seller education improved listing quality?

If you want to see how we would handle your material before committing, you can send a couple of your own files, such as a category page and a seller help article, and judge the approach on real content.

How to measure results on a marketplace

Marketplace content should be measured against the job each deliverable does, not with one blended traffic number. A buyer guide that brings in qualified shoppers, a seller module that reduces incomplete listings and a trust explainer that cuts support contacts are all successes, and none of them shows up clearly in a single sessions chart.

Buyer-side measures

  • Organic entrances to category landing pages and buyer guides, segmented by category.
  • Rankings and click-through for the facet combinations you chose to index, and index coverage for the ones you chose not to.
  • Assisted conversions from guide readers: do people who read a guide go on to view listings and buy?
  • Site search refinements after landing on a category page, as a signal of whether the page answered the question.

Seller-side measures

  • Listing completeness: the share of new listings with required attributes and compliant images, expressed as, for example, complete listings in every 1,000 created.
  • Time from seller sign-up to first live listing.
  • Support tickets per 1,000 active sellers on topics the education covers, such as payouts or listing rejections.
  • Verification completion without support contact.

Trust and risk measures

  • Number of pages found to contradict current terms at each quarterly review, which should fall over time.
  • Reports submitted through the suspicious-activity route, and whether buyers can find it.
  • Support contacts about disputes, refunds and reviews after explainers go live.

Content strategy takes time to show in search results; our guide to how long content strategy takes to work sets realistic expectations, and the approach to measuring content marketing ROI explains how to connect these measures to revenue. On a marketplace, the seller-side measures often move first, because education reaches sellers the day it is placed in the workflow.

Where it usually goes wrong

The most common failure is letting seller listings be the only content. It is tempting, because the catalog is large and listings are free to the platform. But a marketplace made only of seller-written pages has no layer that explains categories, no guidance that raises listing quality, and no content that search engines can recognize as distinctive. Category guides and seller education are what keep quality high across the whole marketplace. The second failure is letting terms-dependent content go stale, and the third is indexing facet combinations nobody searches for. Each is avoidable with the structure above.

If your catalog sits closer to a single-brand store than a multi-seller platform, the approach we use for content strategy for e-commerce and DTC brands may be a better fit, since the compliance and seller-education layers largely fall away.

Verdict Marketplace content strategy works when it is built on current terms, owned through a clear approval chain, and weighted toward the content sellers cannot provide: category guides, a disciplined set of landing pages, seller education that raises listing quality, and trust explainers that match real processes. Get those right before scaling volume.

Other work for marketplaces and aggregators

Content strategy in other sectors

More on content strategy

Trying us out

The quickest way to find out if we are any good for you is to send a couple of your own files and look at what comes back. It is free and there is no card involved. If the scope is already clear, ask for a fixed price instead.

Frequently asked questions

It should cover both sides of the market. For buyers that means category guides, category landing pages and help content; for sellers it means education on listing, pricing, fees and policies. Trust and safety explainers sit between the two and describe how the platform keeps transactions safe.
The law requires online marketplaces to collect, verify and periodically recertify information from high-volume third-party sellers and to disclose certain seller details to buyers. Content that explains onboarding, verification, suspensions and how to report suspicious sellers must match those procedures exactly. Have counsel confirm the wording, since this is not legal advice.
Hosting genuine buyer reviews is normal, but the FTC's rule on consumer reviews and testimonials prohibits fake reviews, sentiment-conditioned incentives and review suppression. Publish clear review guidelines, tell sellers how they may and may not ask for reviews, and avoid editorial copy that cherry-picks ratings.
Index filter combinations that people actually search for, that consistently hold enough inventory to be useful, and that you can support with unique introductory copy. Leave sort orders, price sliders and deep combinations out of the index, and review the list every quarter as demand and stock change.
Our content strategy work starts at $6,500.00 per month. The final figure depends on catalog breadth, how many teams must approve content, how often terms change, whether both buyer and seller content are in scope, and how many languages are involved. A quote sets one number for your volume.
Track listing completeness for new listings, the time from sign-up to first live listing, and support tickets per 1,000 active sellers on the topics the education covers. These usually respond faster than search metrics because the education reaches sellers as soon as it is placed in their workflow.
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