Conversion Optimization
Nosto
Provenance unknown Report an error0–5 in half steps. 5 means the rubric's top anchor is met on the evidence.
by Nosto Solutions Oy · www.nosto.com
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Nosto at a glance
- Vendor
- Nosto Solutions Oy
- Headquarters
- Not stated on the vendor’s pages as of 13 Oct 2026
- Data hosting
- Not stated on the vendor’s pages as of 13 Oct 2026
- Free plan
- Not stated on the vendor’s pages as of 13 Oct 2026
- Panel verdict
- The AI panel rates Nosto 1.5/5, the mean of 6 judges. Nosto, a commerce experience platform from Nosto Solutions Oy, scores strongest on performance impact, 4 to 5: the captured help pages document asynchronous, iframe-isolated loading of a custom script that is minimised and gzipped, CDN caching with a 24-hour cache lifetime, and ETag responses of about 204 bytes. how scores are made
- As of
- Vendor pages captured 13 Oct 2026; evaluated by the panel 15 Oct 2026. all sources
Read this page as one judge. Each weighs the same scores by what they care about.
The panel's verdict
Nosto, a commerce experience platform from Nosto Solutions Oy, scores strongest on performance impact, 4 to 5: the captured help pages document asynchronous, iframe-isolated loading of a custom script that is minimised and gzipped, CDN caching with a 24-hour cache lifetime, and ETag responses of about 204 bytes. Experimentation scope clusters at 3 to 4, covering A/B/n, split and multivariate testing of Nosto campaigns — the A/B engine is described as powered by Omniconvert — plus personalisation on past orders, browsing history and current-session behaviour; we found no public information on server-side SDKs, feature flags or holdouts. Statistical rigour sits at 3: a Bayesian label over proprietary internals, with no published sample-size, stopping or sample-ratio guidance. Sovereignty scores 2 to 3, the lowest of the product criteria: the record carries no sovereignty attributes, and we found no public information on hosting location, subprocessors or a data-processing agreement. Results leave the platform only as aggregated CSV; consent gating rests with the merchant. Judges' spread stayed within one point on every criterion, and no public pricing appears on any captured page.
Speaks for it
- Asynchronous, iframe-isolated loading means a failed script load cannot block the host page's main content, from a custom script that is minimised and gzipped
- Campaign testing covers A/B/n, split and multivariate testing, with personalisation on past orders, browsing history and current-session behaviour
- Visitor opt-outs are documented in tiers, from blocking the script entirely to a session-tracking opt-out that keeps search and best sellers running on trend data
- Google Analytics works without additional input, and Klaviyo segments import to build corresponding audiences, with integrations off by default under merchant control
- Analytics tables for search, category merchandising and autocomplete export as CSV via an emailed download link
Held against it
- Statistics are named Bayesian over proprietary internals, with no published sample-size guidance, stopping rules or sample-ratio mismatch detection
- Testing is campaign-scoped and client-side; we found no public information on server-side SDKs, feature flags, holdouts or mutually exclusive experiments
- Exports are aggregated CSV only, with no documented API, visitor-level export or warehouse delivery for re-checking a result in your own data
- Consent gating falls to the merchant wrapping the script in a conditional, and we found no public information on cookie lifetimes or a consent-pending mode
- We found no public information on hosting location for visitor data, subprocessors or a data-processing agreement, while the A/B engine is described as powered by a third party (Omniconvert)
Best for
- You want to A/B, split or multivariate test on-site recommendation, search and merchandising campaigns, with personalisation on browsing history and live session behaviour
- Your storefront pages cannot tolerate a script that blocks loading and you want documented asynchronous, iframe-isolated delivery
- You already run Google Analytics and Klaviyo and want segments and UTM-tagged traffic flowing with minimal setup
Avoid if
- You need to test your own pages or app surfaces server-side, with feature flags, holdouts or mutually exclusive experiment groups
- You must re-check winners in your own data through an API or warehouse rather than aggregated CSV exports
- Your procurement requires published hosting locations, a subprocessor list or a data-processing agreement before signing
- You need documented sample-size and stopping guidance to defend a result internally
The scores
| Criterion | Panel median |
|---|---|
| Experiment types & delivery | 2 of 5 |
| Statistical method & guardrails | 1.5 of 5 |
| Consent & visitor tracking | 2 of 5 |
| Snippet performance & flicker | 2 of 5 |
| Analytics, data export & integrations | 2 of 5 |
| European sovereignty | 1.5 of 5 |
Experiment types & delivery
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How this is scored
What can be tested and where: client-side changes through an editor, server-side and feature experiments through SDKs, multivariate and multi-page tests, and personalisation — judged on what the documentation shows rather than on the feature grid.
0 — Simple A/B split of one page element through a visual editor; no server-side option, no targeting beyond URL.
3 — Client-side A/B and split-URL tests with basic audience targeting, and no SDK or server-side delivery.
5 — Client-side and server-side experiments through documented SDKs for common languages, multivariate and multi-page tests, audience targeting on behaviour and attributes, and rule-based personalisation.
8 — Feature-flag-based experiments sharing one audience and metric model with web tests, mutually exclusive experiment groups, holdouts, edge or CDN delivery, and personalisation that can itself be tested against a control.
10 — One experimentation programme across every surface: web, app, server and edge from the same platform, experiment interactions managed, a documented experiment lifecycle from hypothesis to archived result, and a library of past results a team can search.
The Growth Lead
The campaign testing pages document A/B/n, split and multivariate testing, and the personalisation engine targets on past orders, browsing history and live session behaviour — enough for campaign-level work, not for a full experimentation programme. The testing solution is stated to be powered by Omniconvert, a third party, and I found no public information on a visual editor for arbitrary page elements, server-side SDKs, feature flags, holdouts or mutually exclusive experiments. 1 2 3 5
The E-Commerce Manager
Testing here is campaign testing: A/B/n, split and multivariate on Nosto campaigns, with segment audiences synced in from Klaviyo, so the personalisation I care about can be run against a control. The A/B testing and optimisation solution is presented as "powered by Omniconvert". We found no public information on server-side or SDK delivery, feature flags, holdouts or mutually exclusive experiments. 1 2 3 5
The Product Engineer
The vendor documents A/B/n, split and multivariate testing for its campaigns, and the dedicated A/B page states the capability is “powered by Omniconvert”. We found no public information on server-side SDKs, feature flags, edge delivery, holdouts or mutually exclusive groups — the experimentation surface shown is Nosto campaigns in the browser, with no path to test my own surfaces. 1 2 3
The CRO Consultant
The testing story is campaign-centric: A/B/n, split and multivariate testing of the vendor's own campaigns, with the A/B testing and optimization solution described as powered by Omniconvert, and personalisation driven by past orders, browsing history and live session behaviour through the platform's engine. We found no public information on server-side SDKs, feature flags, holdouts or mutually exclusive experiments, so this tests the vendor's own widgets rather than running a client's full experimentation programme. 1 2 3 5
The Data Protection Officer
The captured pages document A/B/n, split and multivariate testing on campaigns, with the A/B product described as powered by Omniconvert, alongside a personalisation engine that adapts within the current session. We found no public information on server-side or SDK delivery, feature flags, holdouts or edge testing, so the programme stays client-side as documented. 1 2 3
The Skeptic
Marketing and help pages name A/B/n, split and multivariate testing for campaigns, plus personalisation on browsing history and current-session behaviour. The A/B engine itself is described as powered by Omniconvert, and we found no public information on server-side SDKs, feature flags, mutually exclusive experiment groups or holdouts. That is client-side scope with multivariate and behavioural targeting — above the basic tier, well short of a unified server-side programme. 1 2 3 5
Statistical method & guardrails
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How this is scored
Which statistics decide the winner and what protects the customer from misreading them. Scored on what the vendor documents: the method by name, how peeking and multiple comparisons are handled, and whether sample ratio mismatch is detected.
0 — A "winner" or "probability to beat" figure with no documented method, no stated sample-size guidance and no warning against stopping early.
3 — The method is named (frequentist or Bayesian) but its assumptions are not documented, and nothing prevents a test from being called while it is still underpowered.
5 — Documented method with confidence or credible intervals, a sample-size or test-duration calculator, and stated guidance on when a result may be read.
8 — Sequential testing or an equivalent documented protection against peeking, correction for multiple metrics or variants, sample ratio mismatch detection, variance reduction such as CUPED, and guardrail metrics that can stop a harmful test.
10 — The statistics are auditable: methodology published in enough detail to reproduce a result, the choice of method explained per use case, raw per-visitor data available for independent re-analysis, and the interface refuses to present an underpowered result as a conclusion.
The Growth Lead
The vendor names its method — "all statistics are based on Bayesian analytics" — but calls the testing engine proprietary and publishes no assumptions, intervals, sample-size guidance or rules on when a result may be read. That is a named method I cannot defend to finance, with nothing stopping an underpowered test from being called a winner. 4
The E-Commerce Manager
The help centre names the method — "all statistics are based on Bayesian analytics" — and states the testing machinery is proprietary, and that is the whole of it. We found no public information on sample-size guidance, credible intervals, peeking, multiple-comparison handling or sample ratio mismatch detection, so nothing documented stops me calling a winner the week before Christmas on a few hundred sessions. 4
The Product Engineer
The help centre names the method — “all statistics are based on Bayesian analytics” — but also calls the testing machinery proprietary, and nothing documents its assumptions. We found no public information on sample-size guidance, protection against peeking, multiple-comparison correction, sample ratio mismatch detection or guardrail metrics. 4
The CRO Consultant
The method is at least named — all statistics for campaign testing are Bayesian — but the algorithms are described as proprietary, and we found no public information on intervals, sample-size or duration guidance, stopping rules, sample ratio mismatch detection or guardrail metrics. I could tell a client which school of statistics decides the winner, but not when a result is safe to read. 4
The Data Protection Officer
The only statement on method is that all statistics are Bayesian and that the testing engine is proprietary, which names the school while documenting none of its assumptions. We found no public information on credible intervals, sample-size or duration guidance, protection against peeking, or sample-ratio mismatch detection, so nothing we captured stops an underpowered campaign being read as a result. 4
The Skeptic
A single help-centre answer names the method — "all statistics are based on Bayesian analytics" — while declaring the algorithms proprietary, so priors, decision rules and stopping behaviour are all undocumented. We found no public information on sample-size guidance, any protection against peeking, sample ratio mismatch detection, or corrections for multiple metrics or variants. A Bayesian label with proprietary internals is a named method with no auditable assumptions, nothing more. 2 4
Consent & visitor tracking
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How this is scored
Whether the test script respects §25 TDDDG and the ePrivacy rules as evidenced on the vendor's own pages: when the script runs relative to consent, what it stores on the device, whether a cookieless or consent-free mode exists, and how visitor identifiers are handled.
0 — Nothing on the vendor's pages says what the script stores on the device or whether it runs before consent; consent is described as the customer's problem.
3 — Cookies or local storage are listed, and a consent integration is mentioned, but the documentation does not say what the script does before consent is given.
5 — Documented behaviour before and after consent, integration with common consent management platforms, a published list of cookies and storage keys with their lifetime, and IP anonymisation described.
8 — A documented consent-pending mode that holds tracking until consent while variants can still be served, a cookieless or first-party-only option, retention of visitor data stated, and guidance on the legal basis for testing in the EU.
10 — Built for §25 TDDDG: the default configuration stores nothing on the device without consent, a server-side or cookieless mode documented end to end, per-visitor data deletable on request, and the vendor states in writing how each mode maps to consent requirements.
The Growth Lead
The documentation covers client-side first-party cookies, full opt-out by preventing the script from loading, a session-tracking opt-out, and written procedures for deletion and data takeout. Consent gating is left to the merchant, who must wrap the script in a conditional themselves, and I found no published list of cookies with lifetimes, no consent-management-platform integrations, and no public information on IP anonymisation. 5 6
The E-Commerce Manager
The cookie documentation describes client-side first-party cookies confined to the shop's own domain, opt-out routes, a session-tracking opt-out, and written deletion and takeout handling. But consent gating is handed to the merchant — the guidance is to wrap the script in a conditional that activates only if the customer has accepted, which disables every Nosto feature for that visitor. We found no public information on what the script does before consent, a consent-pending mode, cookie lifetimes or consent-platform integration. 5 6
The Product Engineer
The cookies article documents client-side first-party cookies, tiered opt-out (blocking the script entirely, opting out of session tracking with features degraded to trend and anonymous order data) and personal-data deletion and takeout. Consent gating is still pushed onto the merchant — wrap the script in a conditional that activates only on acceptance — and we found no published cookie list with lifetimes, no IP anonymisation and no statement of what the script does before consent. 5 6
The CRO Consultant
The cookie documentation is candid about what runs on the device — client-side first-party cookies — with opt-out paths documented (blocking the script entirely, or opting out of session tracking with reduced features using trend data) and personal-data deletion and takeout requests covered. Consent gating is left to the merchant wrapping the script in a conditional, and we found no public information on a published cookie inventory with lifetimes, consent-management-platform integrations or IP anonymisation, which is exactly what a client's DPO will ask for. 5 6
The Data Protection Officer
The opt-out guidance tells the merchant to wrap the script in a consent conditional of their own, and we found no public information on what the script stores or does before the consent banner is answered. First-party client-side cookies, visitor opt-out paths, do-not-track handling and deletion or take-out of personal data are documented, but there is no published list of storage keys with lifetimes, no IP anonymisation, and no consent-pending mode that serves variants while holding tracking. 5 6
The Skeptic
The help centre documents client-side first-party cookies confined to the merchant's site, opt-out by blocking the script entirely, and conditional loading tied to consent that leaves every feature off until acceptance. We found no public information on a published cookie inventory with lifetimes, IP anonymisation, integrations with consent management platforms, or a mode that serves variants while tracking waits for consent. 5 6
Snippet performance & flicker
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How this is scored
The cost the client-side snippet imposes on the page it tests: blocking load, flicker of original content, script weight and the effect on Core Web Vitals — scored on what the vendor measures and publishes, not on "lightning fast".
0 — A synchronous snippet with no stated size, no flicker handling and no mention of performance.
3 — An anti-flicker snippet that hides the page until the test loads, with a timeout, and no published figures for script size or load cost.
5 — Script size and loading behaviour documented, asynchronous loading option, flicker handling explained with its trade-off, and CDN delivery of the snippet.
8 — Published performance figures including impact on Core Web Vitals, a self-hosting or first-party-domain option for the script, per-project bundles containing only active experiments, and a server-side or edge alternative for flicker-sensitive tests.
10 — Performance is a stated commitment: measured overhead published and maintained, flicker eliminated by edge or server-side rendering as a documented path, and tooling that shows the customer what their own configuration costs the page.
The Growth Lead
Loading behaviour is genuinely documented: asynchronous, iframe-isolated to avoid conflicting with the host page, minimised and gzipped, delivered from CDN with ETag caching and byte-level response figures. I found no published script-size or load-cost figures, no flicker handling, and nothing on Core Web Vitals — and the advice to place the script early in the page is about recommendations rendering sooner, not about my bounce rate. 7 8
The E-Commerce Manager
The mechanics are documented and they are the right ones: asynchronous loading inside an iframe so a failed load cannot block the product page, a custom script that is minimised and gzipped, CDN delivery with a 24 hour cache lifetime for most resources and an ETag revalidation of about 204 bytes when files are unchanged. The placement advice to run the script early in the page is exactly the trade-off I want quantified, and it is not. We found no published figures for script size, load cost or Core Web Vitals impact, and no self-hosting or edge alternative documented. 7 8
The Product Engineer
Loading behaviour is documented better than most: asynchronous loading inside an iframe so a failed load cannot block the host page, a custom-built script that is minimised and gzipped, and CDN caching with stated lifetimes (24 hours for most resources, autocomplete.js and main.js excluded) plus ETag revalidation at about 204 bytes. But there are no published figures for script weight or load cost, nothing on Core Web Vitals, and we found no self-hosting or server-side option for flicker-sensitive tests. 7 8
The CRO Consultant
Loading behaviour is unusually well documented: asynchronous loading inside an iframe so a failed load cannot block the host page's main content or on-load event, a custom-built script that is minimised and gzipped, and CDN delivery with 24-hour cache lifetimes plus ETag optimisation for the search product's JavaScript files. We found no public information on script size figures, Core Web Vitals impact, self-hosting or a server-side alternative, which is what I need before putting this on a client's revenue-critical pages. 7 8
The Data Protection Officer
Asynchronous loading inside an iframe, a minimised and gzipped script, CDN delivery with long cache lifetimes and an ETag mechanism are documented, down to a 204-byte conditional response. We found no published script size in kilobytes, no measured impact on Core Web Vitals, no self-hosting or first-party-domain option, and no anti-flicker treatment beyond advice to place the script early so recommendations appear sooner. 7 8
The Skeptic
Loading behaviour is documented with real care: asynchronous loading, iframe isolation, early script placement advice, a custom-built minimised and gzipped script, and CDN caching with a 24-hour lifetime and ETag responses of about 204 bytes. We found no public information on published script weight, impact on Core Web Vitals, flicker handling or a self-hosting and edge option, so the page's real cost stays a description rather than a measurement. 7 8
Analytics, data export & integrations
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How this is scored
Getting results and raw data out: integration with analytics and tag management, export of visitor-level results, warehouse-native analysis, and an API — because an experiment result that cannot be checked in the customer's own data is a claim, not a finding.
0 — Results visible in the vendor's dashboard only; no export, no analytics integration, no API.
3 — CSV export of aggregated results and one analytics integration, with no visitor-level data and no documented API.
5 — Integrations with common analytics and tag managers, export of results, and a documented API for managing experiments and reading results.
8 — Visitor-level raw data export or streaming to a data warehouse, warehouse-native analysis on the customer's own metrics, CDP integration for audiences, and an API with stated limits.
10 — The platform treats the customer's warehouse as the source of truth: metrics defined once and computed there, full historical experiment data exportable in open formats, and a versioned API a team can build its own programme tooling on.
The Growth Lead
Google Analytics works without additional input, UTM tagging is documented for triggered emails, Facebook ads and on-site recommendations, and aggregated analytics tables export as CSV via an emailed download link. I found no visitor-level export, no documented API and no warehouse path — the Klaviyo integration moves shopper segments, emails and names into Nosto rather than results out. 9 10 5
The E-Commerce Manager
Google Analytics is supported without additional setup, email and Facebook traffic carries UTM and nosto parameters so conversions land in my own analytics, retrospective reports are possible, and result tables export as CSV to an emailed download link, with Klaviyo segments flowing in as audiences. That export is aggregated tables, though. We found no public information on a documented API, visitor-level export or warehouse delivery, so I could not re-check a winner in my own data. 5 9 10
The Product Engineer
Google Analytics works “without additional input” with UTM tagging across emails, Facebook ads and on-site recommendations, Klaviyo segments can be imported (integrations default off, merchant-controlled), and analytics tables export as CSV via an emailed download link. That is aggregated CSV plus integrations: we found no documented API, no visitor-level export and nothing warehouse-native, so a result here can only be checked in the vendor's own dashboard. 9 10 5
The CRO Consultant
Numbers come out, but aggregated: analytics tables for search, category merchandising and autocomplete export as CSV via an emailed download link, Google Analytics works without additional setup through UTM and referrer tagging, and commerce platforms plus Klaviyo integrate with merchant-controlled activation. We found no public information on a documented API, visitor-level export or warehouse connectivity, so an experiment result cannot be re-checked in the client's own data — to me that is a claim, not a finding. 1 5 9 10
The Data Protection Officer
Google Analytics works without additional setup, commerce platform and Klaviyo segment integrations are documented and turned off by default, and analytics tables export as CSV through an emailed download link. We found no documented API, no visitor-level export and no data-warehouse delivery, so results can be checked only as aggregated exports. 5 9 10
The Skeptic
Results leave the platform as CSV tables of aggregated analytics via an emailed download link, Google Analytics works "without additional input", segments flow in from Klaviyo, and commerce-platform integrations are advertised. The exports are aggregates; we found no public information on a documented API, visitor-level data export or warehouse delivery, so a reported result cannot be re-checked against the customer's own data from what is published. 1 5 9 10
European sovereignty
panel opinion
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How this is scored
Where visitor data is processed and stored and who the contracting entity is. Independently sourced by the sovereignty pipeline; weighted higher here than in categories that hold only the customer's own data, because the script runs on every visitor to the customer's site and their behaviour is what the platform records.
0 — Non-EU vendor and contracting entity, hosting unstated, subprocessors unnamed, and visitor data leaving the EU without a stated safeguard.
3 — EU data residency offered as an option or an enterprise add-on while the contracting entity is non-EU, or the subprocessor list is absent.
5 — EU processing of visitor data as standard and an EU contracting entity, but parts of the chain — CDN, support access, analytics — are non-EU without an explained safeguard.
8 — EU hosting on named infrastructure including the delivery of the snippet, EU contracting entity, subprocessor list published, and a DPA covering the visitor data the script collects.
10 — Sovereign end to end and evidenced: vendor, entity, hosting, snippet delivery and every subprocessor European, certification published, and no visitor data reaching a non-EU party at any point.
The Growth Lead
The contracting entity is Nosto Solutions Oy, a Finnish company form, and first-party cookies keep tracking confined to the e-commerce site the script runs on. But the captured pages give me nothing on hosting location for visitor data, subprocessors, a data processing agreement or certification — I cannot tell the board where our shoppers' behavioural data is processed or by whom. 1 5
The E-Commerce Manager
The contracting entity is Nosto Solutions Oy, a Finnish company, and that is the end of what is evidenced: we found no public information on hosting locations, subprocessors, or a data processing agreement covering the visitor data the script collects. With the snippet recording every shopper's behaviour on the shop and even the delivery CDN's location unstated, an EU entity alone does not carry this. 5 8
The Product Engineer
No sovereignty attributes are on record: we found no public information on where visitor data is processed or hosted, where the script is delivered from, or any subprocessor list or DPA covering the visitor data collected. The contracting entity is named as Nosto Solutions Oy, but nothing captured confirms the processing chain behind the script is European. 1 5
The CRO Consultant
The contracting entity shown is the Finnish company Nosto Solutions Oy, but the captured pages give no hosting location for visitor data, no subprocessor list and no data-processing agreement, and the help centre itself runs on Intercom. Everything a buyer needs to clear this for EU visitors would have to come out of the sales conversation, which I cannot defend in advance. 1 6
The Data Protection Officer
The contracting entity is a Finnish company, but we found no public information on where visitor data is processed or hosted and no subprocessor list, even though the A/B testing product is itself described as powered by a third party. With the script running on every visitor to a merchant's site, the captured pages give me no confirmation that visitor behaviour stays with EU parties. 1 2 5 8
The Skeptic
The independently collected sovereignty record for this vendor is empty: we found no public information on where visitor data is hosted, on subprocessors, or on a data-processing agreement covering what the script collects. The contracting entity appears Finnish by its name, but nothing captured says where the first-party cookie data is processed or by whom. 1 5
Pricing transparency
not rated — the vendor publishes no price
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How this is scored
A category priced by traffic — monthly tracked users, visitors or impressions — where the tier a site lands in depends on numbers the buyer has to estimate. Whether a buyer can compute the real annual cost including traffic limits, overage, server-side or personalisation modules and seats — from public pages alone.
0 — No public prices at all; every tier is a sales conversation.
3 — A starting price or a free tier exists, but the traffic metric, the limits and what happens above them are unstated — the invoice is unknowable.
5 — Tier prices public with the traffic metric and its limits defined, but at least one commonly needed piece (server-side SDKs, personalisation, overage) is unpriced or "contact sales".
8 — Every tier priced publicly with the traffic metric defined, limits, overage rates, module prices, minimum term and VAT treatment stated.
10 — Complete price computability: annual invoice derivable for a given traffic volume, set of modules and team size, with overage and every add-on published.
The Growth Lead
I found no public information on pricing on any captured page — no tiers, no traffic metric, no limits, no seat counts, no module prices. For a category priced by traffic, that means the real annual invoice is unknowable without a sales conversation. 1 2
The E-Commerce Manager
We found no public information on prices, tiers, a free tier or a traffic metric with limits — there is nothing to compute an annual invoice from. The one volume-adjacent definition published is that "visits are not unique visitors, but visits", which tells me the counting unit but not its price or what happens when December traffic doubles it. 1 9
The Product Engineer
We found no public pricing information at all: no tiers, no traffic metric, no limits and no module prices on the captured pages. Every question about cost is a sales conversation. 1 2
The CRO Consultant
We found no public information on pricing at all — no tiers, no traffic metric with limits, no way to estimate an annual invoice before talking to sales. The only traffic-adjacent definition the pages publish is that the vendor's visits are visits rather than unique visitors, which would matter for estimating a traffic-priced contract but is attached to no published price. 1 9
The Data Protection Officer
We found no public price information on any captured page: no tier prices, no traffic metric, no limits and no overage terms. The annual cost is therefore a conversation with sales rather than something a buyer can compute in advance. 1 2 3
Questions about Nosto
Is Nosto European?
Not determined: the vendor’s pages as captured do not say where Nosto is based.
Where does Nosto store data?
Not stated on the vendor’s pages as of 13 Oct 2026.
Does Nosto have a free plan?
Not stated on the vendor’s pages as of 13 Oct 2026.
What are the best alternatives to Nosto?
As of 21 Oct 2026, the panel rates GrowthBook (3.5/5), Convert Experiences (3.5/5) and Webtrends Optimize (3/5) highest among the other 31 Conversion Optimization products evaluated. Ratings that look equal are rounded to half stars; the order uses the unrounded rating, then the name. The highest-rated European alternative is Webtrends Optimize (UK / wider Europe). Ratings are the AI panel’s opinion, formed from public evidence: how scores are made. The full list, with European products first: Nosto alternatives.
Where this could be wrong
- Evidence ages. The oldest capture behind this page is from 13 Oct 2026. Vendors change pricing and policies without notice; every fact reflects its source as of the capture date shown in the registry.
- AI can misread a source. Extraction and judgement are automated; a citation guarantees traceability, not infallibility. If something here is wrong, say so — no account needed, every report is decided within 5 business days, and accepted corrections are published.
What we left out
A claim that does not survive our checks costs us the claim, not the page. This is what was taken off this one.
- 33 product facts could not be confirmed on the vendor’s page as captured and were left out of this page and of the panel’s material. Know more? Tell us
- 4 support facts could not be confirmed on the vendor’s page as captured and were left out of this page and of the panel’s material. Know more? Tell us
- 3 compliance facts could not be confirmed on the vendor’s page as captured and were left out of this page and of the panel’s material. Know more? Tell us
- 6 of the readings below were written against an earlier fact sheet — a fact has been corrected, added or pulled since. Until the panel next runs on this product you are reading the older judgement. Know more? Tell us
Sources (10)
The pages every claim on this page was read from — each one checked, dated, and kept verifiable.
- 1 Vendor page www.nosto.com Checked 13 Oct 2026 Details →
- 2 Experiment types & delivery — found from sitemap www.nosto.com Checked 13 Oct 2026 Details →
- 3 Experiment types & delivery — found from sitemap www.nosto.com Checked 13 Oct 2026 Details →
- 4 Statistical method & guardrails — found from sitemap help.nosto.com Checked 13 Oct 2026 Details →
- 5 Consent & visitor tracking — found from sitemap help.nosto.com Checked 13 Oct 2026 Details →
- 6 Consent & visitor tracking — found from sitemap help.nosto.com Checked 13 Oct 2026 Details →
- 7 Snippet performance & flicker — found from sitemap help.nosto.com Checked 13 Oct 2026 Details →
- 8 Snippet performance & flicker — found from sitemap help.nosto.com Checked 13 Oct 2026 Details →
- 9 Analytics, data export & integrations — found from sitemap help.nosto.com Checked 13 Oct 2026 Details →
- 10 Analytics, data export & integrations — found from sitemap help.nosto.com Checked 13 Oct 2026 Details →