The sources
behind the guides.

Documents conversion-date reporting for Amazon DSP, illustrating why the exact report contract matters.

Checked September 13, 2026

Supports sponsored-ad interaction-date reporting, campaign-specific lookback/product scope, and adjustments. Do not apply this date convention to every Amazon reporting product.

Checked September 13, 2026

Documents citation-oriented reporting and its supported surfaces. It is distinct from website referral analytics.

Checked September 5, 2026

Documents optional llms.txt audit behavior; does not establish a ranking benefit.

Checked September 5, 2026

Confirms the August 31 worldwide rollout, available dimensions, and inclusion within overall performance. It does not provide a traffic forecast.

Checked September 18, 2026

Confirms the August 31 worldwide rollout, available dimensions, and inclusion within overall performance. It does not provide a traffic forecast.

Checked September 18, 2026

Confirms the August 31 worldwide rollout, available dimensions, and inclusion within overall performance. It does not provide a traffic forecast.

Checked September 18, 2026

Confirms the August 31 worldwide rollout, available dimensions, and inclusion within overall performance. It does not provide a traffic forecast.

Checked September 18, 2026

Documents inclusion requirements and the scope of Search Console reporting for AI features.

Checked September 5, 2026

Supports baseline search requirements and the absence of a special AI file requirement.

Checked September 5, 2026

Supports explicit ProductGroup and Product relationships. The downloadable internal contract is illustrative, not Google feed syntax.

Checked September 5, 2026

Supports direct variant selection with correct price and availability. The register and conflict are fictional editorial examples.

Checked September 6, 2026

Documents ProductGroup and Product relationships. It does not establish installation compatibility.

Checked September 5, 2026

Documents return policy fields and precedence. The fictional seller comparison is not sourced merchant policy.

Checked September 20, 2026

Documents shipping service representation and precedence. The worksheet is an original internal review format, not Google's schema.

Checked September 20, 2026

Supports prioritizing added value over mass generation without value.

Checked September 5, 2026

Supports different click/session definitions and checks for implementation, consent, filters, and reporting timezones. The worked comparison is fictional.

Checked September 13, 2026

Documents separate search, training, and user-initiated crawler purposes.

Checked September 5, 2026

Distinguishes consulted sources from citation annotations in API output. Does not establish a consumer ChatGPT observation or a site's actual citation volume.

Checked September 22, 2026

Native discovery fields and the distinct Google-compatible path. This edition is a selected comparison, not the complete upload contract.

Checked September 13, 2026

Stable native fields and date behavior. The comparison format and freshness threshold are editorial choices, not a provider validator or SLA.

Checked September 21, 2026

Native discovery fields and the distinct Google-compatible path. This edition is a selected comparison, not the complete upload contract.

Checked September 13, 2026

Native discovery fields and the distinct Google-compatible path. This edition is a selected comparison, not the complete upload contract.

Checked September 13, 2026

Documents search and user-initiated retrieval agents.

Checked September 5, 2026

Existing category and attribute mappings. Record a pinned release and examine the actual mapping rather than equating category IDs.

Checked September 13, 2026

Supports reviewing AI suggestions before applying changes. The shelf example is fictional and the scorecard is a proposed method.

Checked September 5, 2026

Documents the connected channel and product synchronization with Merchant Center. It does not establish a universal hosted feed URL for every Shopify store.

Checked September 20, 2026

Distinguishes payment-balance activity, fees, holds, and payouts from revenue. This is an independent platform example, not an Amazon-to-Shopify integration.

Checked September 13, 2026

Documents description suggestions generated from supplied product details, not guaranteed factual accuracy.

Checked September 5, 2026

Defines available, committed, unavailable, on-hand, and incoming stock. Does not prescribe this buffer, demand forecast, or spending rule.

Checked September 6, 2026

Documents sales/reversal timing and the distinction from physical returns. Cohort reconciliation and the USD example are original management-analysis illustrations, not Shopify accounting output.

Checked September 5, 2026

An emerging convention for a concise site index and alternate text representations.

Checked September 5, 2026

A bounded randomized study of experienced developers; its results are not generalized to current models or commerce production.

Checked September 13, 2026

Documents selection effects and difficulties measuring concurrent AI-assisted work; newer estimates were described as unreliable.

Checked September 13, 2026

Defines an accessory or spare-part relationship. It does not validate the claim; the ledger and decisions are original editorial examples.

Checked September 20, 2026

Defines broader product relatedness. It is not equivalent to an explicit compatibility relationship.

Checked September 20, 2026

Source product description, vendor, category, and online-store URL. Suggested transformations remain editorial decisions.

Checked September 13, 2026

Variant identity, SKU, barcode, selected options, media, inventory, and pricing context. A source field does not prove destination eligibility.

Checked September 13, 2026

Variant identity, SKU, barcode, selected options, media, inventory, and pricing context. A source field does not prove destination eligibility.

Checked September 20, 2026

Documents Anthropic crawler purposes and site-owner controls.

Checked September 5, 2026

Documents session-scoped acquisition dimensions, report access, metrics, and secondary dimensions. The reconciliation method and all example counts are editorial illustrations.

Checked September 20, 2026

Documents session-scoped acquisition dimensions and report navigation. A page view and a session are different units.

Checked September 13, 2026

Documents the May 13, 2026 AI Assistant channel and automatic medium/campaign classification for recognized referrers.

Checked September 6, 2026

Defines the AI Assistant channel and excludes Google AI Overviews and AI Mode. Channel membership is not proof of a unique human or citation.

Checked September 6, 2026

Defines AI Assistant and Organic Search classification. Collection and session scope still matter.

Checked September 18, 2026

Defines the AI Assistant channel and excludes Google AI Overviews and AI Mode. Channel membership is not proof of a unique human or citation.

Checked September 20, 2026

Explains exposed/control measurement of incremental impact. Does not establish the example’s assumed cost per additional unit or guarantee study access.

Checked September 6, 2026

Supports the distinction between revenue-based and profit-based conversion values. The calculator definitions and synthetic example are stated explicitly in this guide.

Checked September 6, 2026

Documents conversion adjustments and their prerequisites. No conversion settings or bid changes are implied by this example.

Checked September 5, 2026

Documents daily spending limits for most campaigns and exceptions. The worksheet’s uniform actual spend is an assumption, not a Google Ads budget control.

Checked September 6, 2026

Product measurements, accepted units, and consistent dimension units. The local checker is a separate editorial tool, not a full destination validator.

Checked September 24, 2026

Product measures, accepted units, and agreement between repeated measurements. Packaging has a different meaning.

Checked September 13, 2026

Product measures, accepted units, and agreement between repeated measurements. Packaging has a different meaning.

Checked September 13, 2026

Documents Scheduled updates and the direct URL requirement for hosted product data files. These instructions apply to that delivery method.

Checked September 20, 2026

Distinguishes store-specific SKUs from manufacturer-assigned identifiers and describes UPC/GTIN-12 and EAN/GTIN-13.

Checked September 24, 2026

Supports variant selection and consistent information during page load. This guide does not test or certify a real merchant account.

Checked September 5, 2026

Supports price/currency agreement and current price requirements. Does not prescribe ERP or PIM ownership, approval roles, or a five-minute tolerance.

Checked September 6, 2026

Amount and currency, plus agreement with landing page and checkout.

Checked September 13, 2026

Amount and currency, plus agreement with landing page and checkout.

Checked September 13, 2026

Stable distinct product identifiers, including separate variant IDs.

Checked September 13, 2026

Stable distinct product identifiers, including separate variant IDs.

Checked September 20, 2026

Supports accurate availability across offer, landing page, and checkout, and separate controls for pausing promotion. The calculator does not change product feeds or campaigns.

Checked September 6, 2026

Supports consistent availability across product data, landing page, and checkout. A data conflict is not evidence that stock is unavailable.

Checked September 6, 2026

Google stock-state vocabulary and matching availability across shopping surfaces.

Checked September 13, 2026

Assigned trade-item identifiers, correct variant matching, and instructions not to guess a missing GTIN. The example ledger deliberately leaves assignment unknown.

Checked September 24, 2026

Package dimensions for carrier-calculated shipping; distinct from the product itself.

Checked September 24, 2026

Variant groups, identifying attributes, and matching landing-page values.

Checked September 13, 2026

Variant groups, identifying attributes, and matching landing-page values.

Checked September 13, 2026

Variant groups, identifying attributes, and matching landing-page values.

Checked September 13, 2026

Supports stable identifiers, explicit variant attributes, and consistency between submitted data and the destination.

Checked September 5, 2026

Google feed field names and category-dependent requirements. This reference does not cover every country, category, or program.

Checked September 13, 2026

Supports matching submitted product facts with landing pages and structured data. The six-case test is an original editorial method.

Checked September 5, 2026

Defines AI link impressions, Search product scope, Web-report overlap and report aggregation. The answer-observation rubric here is editorial.

Checked September 22, 2026

Defines the Search report, impression counting, availability, and export limitations. Checked against the current documentation.

Checked September 18, 2026

Explains omitted anonymized queries, row limits, and aggregation differences. Missing query rows do not mean there were no search clicks.

Checked September 13, 2026

Supports canonical-page reporting, omitted queries, filters, and reporting time boundaries.

Checked September 18, 2026

Supports canonical-page reporting, omitted queries, filters, and reporting time boundaries.

Checked September 18, 2026

Explains property versus page aggregation, preliminary data, and unavailable values in exports.

Checked September 18, 2026

Explains seen or potentially seen links, standard impression rules, aggregation and AI Mode follow-up queries. Impressions do not measure human recall.

Checked September 22, 2026

Defines search impressions, clicks, and CTR. The scenario formulas and decision rules here are editorial calculations.

Checked September 18, 2026

Defines search impressions, clicks, and CTR. The scenario formulas and decision rules here are editorial calculations.

Checked September 18, 2026

Defines page views, daily visitor identification, and automated-traffic filtering. Does not establish the cause of a particular reporting gap.

Checked September 13, 2026

Supports the workflow-versus-agent distinction. The commerce operating contract and examples here are original editorial frameworks.

Checked September 5, 2026

Supports evaluation and environment feedback as agent-design principles. The seven-stage commerce checklist is an original adaptation, not an Anthropic standard.

Checked September 5, 2026

Supports task-specific evaluation, suitable graders, and inspecting outputs. The six cases, 18-run pilot, and release threshold are proposed choices, not a vendor standard.

Checked September 5, 2026

Supports explicit success criteria, outcome checking, and complementary human review. This ledger and calculator are original editorial tools.

Checked September 13, 2026

Primary method artifact executed in this casebook. Defines exact-ID, USD, evidence-age and availability rules. The 24-hour limit is chosen for this experiment. Exact bytes are identified in the recorded result.

Checked September 22, 2026

Primary method artifact executed in this casebook. Defines the selected record checks; it is not provider documentation or independent validation. Exact bytes are identified in the recorded result.

Checked September 22, 2026

Observed overall product dimensions for article 99581815. Retrieved through a public web reader that may use cached content; the source update time is unknown.

Checked September 24, 2026

Observed overall product dimensions for article 39581880. Retrieved through a public web reader that may use cached content; the source update time is unknown.

Checked September 24, 2026

Observed diameter and overall height; the predefined three-axis comparison does not infer other axes from these values. Source update time unknown.

Checked September 24, 2026

Observed overall product dimensions for article 90301225. Retrieved through a public web reader that may use cached content; the source update time is unknown.

Checked September 24, 2026

Observed diameter and overall height; the predefined three-axis comparison does not infer other axes from these values. Source update time unknown.

Checked September 24, 2026

Observed overall product dimensions for article 60413502. Retrieved through a public web reader that may use cached content; the source update time is unknown.

Checked September 24, 2026

Observed overall product dimensions for article 40541421. Retrieved through a public web reader that may use cached content; the source update time is unknown.

Checked September 24, 2026

Observed overall product dimensions for article 20525356. Retrieved through a public web reader that may use cached content; the source update time is unknown.

Checked September 24, 2026

Observed overall product dimensions for article 90635177. Retrieved through a public web reader that may use cached content; the source update time is unknown.

Checked September 24, 2026

Observed overall product dimensions for article 50544867. Retrieved through a public web reader that may use cached content; the source update time is unknown.

Checked September 24, 2026

Observed overall product dimensions for article 99581815. Retrieved through a public web reader that may use cached content; the source update time is unknown.

Checked September 24, 2026

Observed overall product dimensions for article 39581880. Retrieved through a public web reader that may use cached content; the source update time is unknown.

Checked September 24, 2026

Observed diameter and overall height; the predefined three-axis comparison does not infer other axes from these values. Source update time unknown.

Checked September 24, 2026

Observed overall product dimensions for article 90301225. Retrieved through a public web reader that may use cached content; the source update time is unknown.

Checked September 24, 2026

Observed diameter and overall height; the predefined three-axis comparison does not infer other axes from these values. Source update time unknown.

Checked September 24, 2026

Observed overall product dimensions for article 60413502. Retrieved through a public web reader that may use cached content; the source update time is unknown.

Checked September 24, 2026

Observed overall product dimensions for article 40541421. Retrieved through a public web reader that may use cached content; the source update time is unknown.

Checked September 24, 2026

Observed overall product dimensions for article 20525356. Retrieved through a public web reader that may use cached content; the source update time is unknown.

Checked September 24, 2026

Observed overall product dimensions for article 90635177. Retrieved through a public web reader that may use cached content; the source update time is unknown.

Checked September 24, 2026

Observed overall product dimensions for article 50544867. Retrieved through a public web reader that may use cached content; the source update time is unknown.

Checked September 24, 2026

Defines the inch as exactly 25.4 millimetres. Conversion cannot improve the original measurement.

Checked September 24, 2026

Explains preserving meaningful precision in conversions. The example tolerances are supplied scenario assumptions.

Checked September 20, 2026