[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"blog-site-config":3,"$fJkXSjhLyl04nNPCEEegCnBaEeI8RemWcyoILwuYew5g":6,"mdc--igp45t-key":87},{"gaMeasurementId":4,"bookingUrl":5},"G-7BYTDCVDDR","https:\u002F\u002Ftidycal.com\u002Fcmdcntr\u002F30-minute-meeting",{"post":7,"related":54},{"id":8,"slug":9,"title":10,"description":11,"summary":12,"content":13,"coverImageUrl":12,"coverImageAlt":12,"tags":14,"targetKeywords":20,"faq":21,"howTo":12,"demo":12,"featured":22,"tool":12,"status":23,"reviewNote":12,"metaTitle":24,"metaDescription":25,"canonicalUrl":26,"sourceTicketId":12,"agentGenerated":27,"publishedAt":28,"publishedBy":12,"createdAt":29,"updatedAt":28,"authorId":30,"clusterId":31,"ctaId":32,"author":33,"cluster":43,"cta":47,"tools":53},"efb74bf7-27f8-465c-baaa-309260678e9f","sitecore-vs-optimizely","Sitecore vs Optimizely: How to Actually Choose Between Them","Two .NET digital experience platforms that both went composable, with genuinely different centers of gravity. Where each one wins, and the disclosure that we work on Sitecore.",null,"A disclosure before anything else: we are a Sitecore shop. Our senior specialists come from the Sitecore world, our services pages say so, and if you hire us you will most likely be hiring Sitecore expertise. Read what follows knowing that, and hold it to a higher standard because of it.\n\nWe are writing it anyway because the comparisons available are mostly written by one of the two vendors or by partners who will not admit which side they sell. That produces feature matrices where both platforms tick every box, which helps nobody. These two platforms have genuinely different centers of gravity, and the choice is usually clear once you know what those are.\n\n## Sitecore vs Optimizely: the short answer\n\nChoose Optimizely if experimentation is central to how your organization makes decisions, or if you run B2B commerce. Choose Sitecore if you run many sites, in many languages, under real governance and compliance obligations. Both are mature .NET-heritage platforms that have moved to composable SaaS, and neither will fail you on core content management.\n\nIf that already resolves it for you, stop reading. Most of the remaining detail matters only when the decision is genuinely close.\n\n## What are these two platforms now?\n\nBoth have changed enough in the last few years that a comparison from even three years ago is misleading.\n\n**Optimizely** is Episerver. Episerver acquired the experimentation company Optimizely in 2020 and took its name, which is a useful thing to know because it explains the product's shape. You are looking at a competent .NET content management system with a genuinely best-in-class experimentation engine attached, plus commerce that came from the Insite acquisition and content operations that came from Welcome. The suite is sold as Optimizely One. Content management now comes in two flavors: the established .NET platform-as-a-service product, and a newer headless-first software-as-a-service CMS with a GraphQL API.\n\n**Sitecore** followed the same arc from a different starting point. Sitecore Experience Platform was the .NET monolith. The composable suite broke it into XM Cloud for content, Sitecore CDP and Personalize for engagement, Sitecore Search, Content Hub for assets, and OrderCloud for commerce. We covered what that unbundling actually costs in [Sitecore DXP: what composable changed](\u002Fblog\u002Fenterprise-cms\u002Fsitecore-dxp-composable-explained).\n\nSo: two .NET-heritage enterprise platforms, both mid-transition to composable SaaS, both carrying a large installed base on the older architecture. The similarity is real. The differences are about which capability each one is organized around.\n\n## How do they compare on content management?\n\nCloser than either vendor's marketing suggests. Both handle multi-site, multi-language, versioning, workflow, scheduled publishing, and role-based permissions at enterprise scale. If your requirements list is a standard enterprise content management checklist, both will pass, and a demo will not separate them.\n\nTwo real differences are worth knowing.\n\n**Sitecore's content model is more powerful and more demanding.** Templates, inheritance, and the item tree give you precise modeling, which is why Sitecore survives in organizations with genuinely complicated content structures. That same power is why Sitecore implementations rot faster when nobody governs them. Template inheritance that nobody pruned across a decade is the single most common finding in the XP audits we run.\n\n**Optimizely's authoring is generally friendlier out of the box.** Editors tend to reach productivity faster. If your content team is small, non-technical, and has no dedicated Sitecore training budget, this matters more than any architectural argument.\n\nFor most organizations, content management capability is not the deciding factor. It is the floor, and both platforms clear it.\n\n## Where does Optimizely clearly win?\n\n**Experimentation.** This is not a close call and we will not pretend it is. Optimizely's experimentation platform is the reference implementation for the category: server-side and client-side testing, feature flags, statistical rigor that will survive a data science review, and an organizational model for running experiments as a practice rather than as occasional A\u002FB tests on a landing page.\n\nSitecore has testing capability. It is not in this class, and Sitecore's own strategic emphasis in the composable stack is personalization and customer data rather than experimentation.\n\nThe test to apply: does your organization make product and content decisions by running experiments, with people whose job that is? If yes, that capability is likely worth more than every other difference on this page combined, and you should probably choose Optimizely. If experimentation means \"we would like to A\u002FB test the hero image sometimes,\" you are not buying enough of that advantage to let it decide.\n\n**B2B commerce.** Optimizely Configured Commerce came out of Insite, which was built for B2B specifically: contract pricing, customer-specific catalogs, quote workflows, and the long tail of requirements that business-to-business selling has and business-to-consumer selling does not. If you are a manufacturer or distributor selling to accounts rather than to consumers, this is a strong reason to choose Optimizely.\n\n## Where does Sitecore clearly win?\n\n**Multi-site and multi-brand at scale.** When one organization runs forty sites across twenty markets with shared components, regional governance, and language fallback rules that differ per market, Sitecore's model handles it. This is the environment Sitecore was shaped by, and it shows. Optimizely can do it. Sitecore does it more naturally, and the difference compounds as site count grows.\n\n**Governance depth for regulated industries.** Granular workflow, detailed audit trails, and precise permission boundaries. On regulated properties, where a claim cannot publish without a named reviewer's approval and you have to prove that after the fact, Sitecore's workflow model is the more complete one. We build on regulated pharma properties where this posture is contractual rather than aspirational, and Sitecore's governance is a genuine reason it keeps winning those accounts.\n\n**Localization depth.** Language versioning and fallback are first-class rather than layered on. If you run more than about ten languages with real regional editorial autonomy, this is a large practical advantage. We wrote up what makes localization hard independent of platform in [headless CMS localization](\u002Fblog\u002Fenterprise-cms\u002Fheadless-cms-localization).\n\n**Personalization tied to a customer data platform.** Sitecore CDP plus Personalize is a coherent story if you are building toward customer data as an organizational asset. Optimizely has a data platform too, but Sitecore has invested harder here and it is more clearly the center of their roadmap.\n\n## What about migration cost and lock-in?\n\nThis is where the comparison usually gets decided in practice, and it rarely appears in the feature matrix.\n\nIf you are already on one of these platforms, the incumbent has an enormous and legitimate advantage. Moving between two enterprise DXPs means rebuilding the content model, remapping every template, retraining every author, rebuilding every integration, and re-establishing search visibility on a new URL structure if anything moves. In the engagements we have seen, a platform switch at this tier is a multi-quarter program, and the business case has to be worth that, not just worth a nicer administration interface.\n\nThe honest version: **most organizations asking Sitecore versus Optimizely should first ask whether they need to move at all.** A well-run implementation on the platform you already own beats a badly funded migration to the better platform. Every time. We say this to prospects who arrive wanting a migration quote, and it costs us work, but a migration that fails is worse for everyone than an upgrade that succeeds.\n\nIf you are genuinely greenfield, migration cost is not a factor and you should weigh the capability differences above on their merits.\n\n## What about talent and total cost?\n\nBoth platforms have a specialist scarcity problem. Senior Sitecore developers are scarce and expensive, which is a real strategic risk for a platform decision measured in decades. Optimizely developers are somewhat easier to find but the pool is not deep either.\n\nTwo things reduce this risk regardless of which you choose:\n\n**Go headless, so most of your engineering is in a normal front-end stack.** If your rendering layer is a mainstream JavaScript framework, most of the work can be done by developers you can actually hire, and the platform specialist is needed for platform work rather than for everything. This is a strong argument for the newer headless-first offerings on both sides.\n\n**Do not staff the specialist role full time if the work is not full time.** Enterprise CMS demand is lumpy: a build, then quiet maintenance, then a spike for a rebrand or acquisition. Hiring a permanent senior specialist for a workload that is bursty is how organizations end up with an expensive person doing routine work, or no specialist at all when the spike arrives.\n\n## How to run the evaluation itself\n\nIf the decision is genuinely close, do not resolve it with a longer feature matrix. Resolve it with a scoped proof of concept, and make both vendors build the same thing.\n\n**Pick your hardest real requirement, not a representative one.** The multi-market page with language fallback and a regional approval step. The integration that has always been awkward. Vendors demo their strengths by default, so choose the exercise yourself and give both the identical brief.\n\n**Have your own people build part of it.** A demo shows what the platform can do in expert hands. What you need to know is what it is like in your team's hands. Put two of your own developers and one of your own authors on it.\n\n**Include an author in the evaluation panel, with a real vote.** Author experience determines whether the platform investment pays back, and authors are routinely excluded from a decision they will live inside every day.\n\n**Test the unglamorous paths.** Bulk editing, workflow rejection and rework, permissions for a partner agency, and what happens when someone publishes the wrong thing and needs it back. Demos never cover these, and they are most of the daily experience.\n\n**Ask both vendors the same three uncomfortable questions.** What does this platform do badly? Which customer of yours can I call who had a difficult implementation? What in your roadmap might change the answer I am giving today? The quality of the answers separates the vendors more than the answers themselves do.\n\n## So which one?\n\nA decision table, written the way we would write it for a client.\n\n| Your situation | Lean |\n|---|---|\n| Experimentation is an organizational practice with staff | Optimizely |\n| B2B commerce with contract pricing and account catalogs | Optimizely |\n| Small content team, no training budget, straightforward site | Optimizely |\n| Many sites, many brands, many markets | Sitecore |\n| Regulated industry with provable approval workflow | Sitecore |\n| Ten or more languages with regional editorial autonomy | Sitecore |\n| Customer data platform is a strategic priority | Sitecore |\n| Already on one of them and it basically works | Stay, and fix the implementation |\n\nThat last row applies more often than any other row on the table.\n\nThe uncomfortable truth about this category is that platform choice explains much less of the outcome than teams expect. We have seen excellent sites on both, and expensive failures on both. What separates them is not the vendor. It is whether the content model was designed rather than accumulated, whether governance exists, whether anyone owns the front end after launch, and whether the organization funded operations rather than only the build. Get those right and either platform works. Get them wrong and neither will save you.\n\nIf you are running this comparison for real, or you have already chosen and want the implementation to survive contact with your organization, that is our work. We are Sitecore specialists and we will tell you when Sitecore is not the answer. Our support hours never expire, so you can put senior help against the phase you are actually in instead of against a retainer calendar. [Book a call](https:\u002F\u002Ftidycal.com\u002Fcmdcntr\u002F30-minute-meeting), or read about our [Sitecore development and support](\u002Fservices\u002Fsitecore) practice.\n\n## Read next\n\n- [Enterprise CMS in 2026: How to Choose the Platform and the Partner](\u002Fblog\u002Fenterprise-cms\u002Fenterprise-cms-2026-platform-and-partner): the cluster pillar, and the partner half of this decision.\n- [Sitecore DXP: What Composable Changed](\u002Fblog\u002Fenterprise-cms\u002Fsitecore-dxp-composable-explained): what Sitecore's unbundling actually costs.\n- [Is Sitecore a Headless CMS?](\u002Fblog\u002Fenterprise-cms\u002Fis-sitecore-a-headless-cms): the headless question for the Sitecore side of this comparison.\n- [Headless CMS Localization](\u002Fblog\u002Fenterprise-cms\u002Fheadless-cms-localization): why localization depth separates enterprise platforms.\n- Work with us: [Sitecore development and support](\u002Fservices\u002Fsitecore), or our [headless CMS agency](\u002Fservices\u002Fheadless-cms) practice.",[15,16,17,18,19],"sitecore","optimizely","enterprise cms","dxp","platform selection",[],[],false,"published","Sitecore vs Optimizely: How to Actually Choose","Both went composable, both came from .NET. Optimizely owns experimentation, Sitecore owns content governance at scale. A working comparison, plus our bias.","https:\u002F\u002Fcmdcntr.io\u002Fblog\u002Fenterprise-cms\u002Fsitecore-vs-optimizely",true,"2026-08-18T11:16:57.775Z","2026-08-18T04:05:18.535Z","ed80da88-f3d1-4aa9-9373-18c39fecb740","23d49753-baf2-4629-b6fc-df27c558f48d","c0fcf6a1-58d2-4262-8996-3ad29d58eea5",{"slug":34,"name":35,"avatarUrl":36,"role":37,"bio":38,"isPublic":27,"expertiseSummary":39,"linkedin":40,"github":41,"twitter":12,"website":42},"michael-graham","Michael Graham","\u002Fapi\u002Fpublic\u002Favatar\u002F7452d3cc-b0aa-46e4-96e6-da9c0225c471","Founder & Software Engineer","Obsessed with building top-tier web software and crafting unique, polished user experiences.","From frontend design to a fully deployed application, I can build the entire pipeline.","https:\u002F\u002Fwww.linkedin.com\u002Fin\u002Fmikemartire\u002F","https:\u002F\u002Fgithub.com\u002Fmichaelchristophergraham","https:\u002F\u002Fcmdcntr.io",{"slug":44,"name":45,"color":46},"enterprise-cms","Enterprise CMS Delivery","#0EA5E9",{"id":32,"name":48,"ctaType":49,"heading":50,"description":51,"buttonText":52,"url":5,"leadMagnetUrl":12},"Book a Call (blog)","book_call","Shipping AI-generated code that keeps breaking?","Book a free 30-minute call with a senior engineer. We diagnose what is going wrong and give you a concrete fix plan, no obligation.","Book a free call",[],[55,66,77],{"id":56,"slug":57,"title":58,"description":59,"coverImageUrl":12,"coverImageAlt":12,"tags":60,"featured":22,"tool":12,"publishedAt":28,"author":64,"cluster":65},"56859dc5-edd2-4bc8-8057-88ac90687556","sitecore-managed-cloud","Sitecore Managed Cloud: What It Is and When It Is the Right Call","Sitecore Managed Cloud takes the infrastructure off your plate and leaves the application firmly on it. The responsibility split is the whole decision.",[15,61,62,63,17],"managed cloud","sitecore hosting","azure",{"slug":34,"name":35,"avatarUrl":36,"role":37,"bio":38,"isPublic":27},{"slug":44,"name":45,"color":46},{"id":67,"slug":68,"title":69,"description":70,"coverImageUrl":12,"coverImageAlt":12,"tags":71,"featured":22,"tool":12,"publishedAt":28,"author":75,"cluster":76},"560d1ca1-ccb4-4e65-9690-3b39e448e5a9","sitecore-dxp-composable-explained","Sitecore DXP: What Composable Actually Changed, and What It Costs","Sitecore's move from one monolithic DXP to a composable product suite changed what you buy, what you integrate, and who owns the seams. Here is the honest accounting.",[15,72,73,74,17],"sitecore dxp","composable dxp","xm cloud",{"slug":34,"name":35,"avatarUrl":36,"role":37,"bio":38,"isPublic":27},{"slug":44,"name":45,"color":46},{"id":78,"slug":79,"title":80,"description":81,"coverImageUrl":12,"coverImageAlt":12,"tags":82,"featured":22,"tool":12,"publishedAt":28,"author":85,"cluster":86},"d31e5a8a-2739-4f2e-89fc-295bc0a53628","is-sitecore-a-headless-cms","Is Sitecore a Headless CMS? XM Cloud, XP, and What Actually Goes Headless","Sitecore can run headless, but XM Cloud and XP get there by different routes with different costs. Here is what headless actually means inside Sitecore, and where teams get hurt.",[15,83,74,84,17],"headless cms","experience edge",{"slug":34,"name":35,"avatarUrl":36,"role":37,"bio":38,"isPublic":27},{"slug":44,"name":45,"color":46},{"data":88,"body":89},{},{"type":90,"children":91},"root",[92,100,105,112,117,122,128,133,144,163,168,174,179,184,194,204,209,215,225,230,235,245,251,261,271,288,298,304,309,314,326,331,337,342,347,357,367,373,378,388,398,408,418,428,434,439,564,569,574,596,602],{"type":93,"tag":94,"props":95,"children":96},"element","p",{},[97],{"type":98,"value":99},"text","A disclosure before anything else: we are a Sitecore shop. Our senior specialists come from the Sitecore world, our services pages say so, and if you hire us you will most likely be hiring Sitecore expertise. Read what follows knowing that, and hold it to a higher standard because of it.",{"type":93,"tag":94,"props":101,"children":102},{},[103],{"type":98,"value":104},"We are writing it anyway because the comparisons available are mostly written by one of the two vendors or by partners who will not admit which side they sell. That produces feature matrices where both platforms tick every box, which helps nobody. These two platforms have genuinely different centers of gravity, and the choice is usually clear once you know what those are.",{"type":93,"tag":106,"props":107,"children":109},"h2",{"id":108},"sitecore-vs-optimizely-the-short-answer",[110],{"type":98,"value":111},"Sitecore vs Optimizely: the short answer",{"type":93,"tag":94,"props":113,"children":114},{},[115],{"type":98,"value":116},"Choose Optimizely if experimentation is central to how your organization makes decisions, or if you run B2B commerce. Choose Sitecore if you run many sites, in many languages, under real governance and compliance obligations. Both are mature .NET-heritage platforms that have moved to composable SaaS, and neither will fail you on core content management.",{"type":93,"tag":94,"props":118,"children":119},{},[120],{"type":98,"value":121},"If that already resolves it for you, stop reading. Most of the remaining detail matters only when the decision is genuinely close.",{"type":93,"tag":106,"props":123,"children":125},{"id":124},"what-are-these-two-platforms-now",[126],{"type":98,"value":127},"What are these two platforms now?",{"type":93,"tag":94,"props":129,"children":130},{},[131],{"type":98,"value":132},"Both have changed enough in the last few years that a comparison from even three years ago is misleading.",{"type":93,"tag":94,"props":134,"children":135},{},[136,142],{"type":93,"tag":137,"props":138,"children":139},"strong",{},[140],{"type":98,"value":141},"Optimizely",{"type":98,"value":143}," is Episerver. Episerver acquired the experimentation company Optimizely in 2020 and took its name, which is a useful thing to know because it explains the product's shape. You are looking at a competent .NET content management system with a genuinely best-in-class experimentation engine attached, plus commerce that came from the Insite acquisition and content operations that came from Welcome. The suite is sold as Optimizely One. Content management now comes in two flavors: the established .NET platform-as-a-service product, and a newer headless-first software-as-a-service CMS with a GraphQL API.",{"type":93,"tag":94,"props":145,"children":146},{},[147,152,154,161],{"type":93,"tag":137,"props":148,"children":149},{},[150],{"type":98,"value":151},"Sitecore",{"type":98,"value":153}," followed the same arc from a different starting point. Sitecore Experience Platform was the .NET monolith. The composable suite broke it into XM Cloud for content, Sitecore CDP and Personalize for engagement, Sitecore Search, Content Hub for assets, and OrderCloud for commerce. We covered what that unbundling actually costs in ",{"type":93,"tag":155,"props":156,"children":158},"a",{"href":157},"\u002Fblog\u002Fenterprise-cms\u002Fsitecore-dxp-composable-explained",[159],{"type":98,"value":160},"Sitecore DXP: what composable changed",{"type":98,"value":162},".",{"type":93,"tag":94,"props":164,"children":165},{},[166],{"type":98,"value":167},"So: two .NET-heritage enterprise platforms, both mid-transition to composable SaaS, both carrying a large installed base on the older architecture. The similarity is real. The differences are about which capability each one is organized around.",{"type":93,"tag":106,"props":169,"children":171},{"id":170},"how-do-they-compare-on-content-management",[172],{"type":98,"value":173},"How do they compare on content management?",{"type":93,"tag":94,"props":175,"children":176},{},[177],{"type":98,"value":178},"Closer than either vendor's marketing suggests. Both handle multi-site, multi-language, versioning, workflow, scheduled publishing, and role-based permissions at enterprise scale. If your requirements list is a standard enterprise content management checklist, both will pass, and a demo will not separate them.",{"type":93,"tag":94,"props":180,"children":181},{},[182],{"type":98,"value":183},"Two real differences are worth knowing.",{"type":93,"tag":94,"props":185,"children":186},{},[187,192],{"type":93,"tag":137,"props":188,"children":189},{},[190],{"type":98,"value":191},"Sitecore's content model is more powerful and more demanding.",{"type":98,"value":193}," Templates, inheritance, and the item tree give you precise modeling, which is why Sitecore survives in organizations with genuinely complicated content structures. That same power is why Sitecore implementations rot faster when nobody governs them. Template inheritance that nobody pruned across a decade is the single most common finding in the XP audits we run.",{"type":93,"tag":94,"props":195,"children":196},{},[197,202],{"type":93,"tag":137,"props":198,"children":199},{},[200],{"type":98,"value":201},"Optimizely's authoring is generally friendlier out of the box.",{"type":98,"value":203}," Editors tend to reach productivity faster. If your content team is small, non-technical, and has no dedicated Sitecore training budget, this matters more than any architectural argument.",{"type":93,"tag":94,"props":205,"children":206},{},[207],{"type":98,"value":208},"For most organizations, content management capability is not the deciding factor. It is the floor, and both platforms clear it.",{"type":93,"tag":106,"props":210,"children":212},{"id":211},"where-does-optimizely-clearly-win",[213],{"type":98,"value":214},"Where does Optimizely clearly win?",{"type":93,"tag":94,"props":216,"children":217},{},[218,223],{"type":93,"tag":137,"props":219,"children":220},{},[221],{"type":98,"value":222},"Experimentation.",{"type":98,"value":224}," This is not a close call and we will not pretend it is. Optimizely's experimentation platform is the reference implementation for the category: server-side and client-side testing, feature flags, statistical rigor that will survive a data science review, and an organizational model for running experiments as a practice rather than as occasional A\u002FB tests on a landing page.",{"type":93,"tag":94,"props":226,"children":227},{},[228],{"type":98,"value":229},"Sitecore has testing capability. It is not in this class, and Sitecore's own strategic emphasis in the composable stack is personalization and customer data rather than experimentation.",{"type":93,"tag":94,"props":231,"children":232},{},[233],{"type":98,"value":234},"The test to apply: does your organization make product and content decisions by running experiments, with people whose job that is? If yes, that capability is likely worth more than every other difference on this page combined, and you should probably choose Optimizely. If experimentation means \"we would like to A\u002FB test the hero image sometimes,\" you are not buying enough of that advantage to let it decide.",{"type":93,"tag":94,"props":236,"children":237},{},[238,243],{"type":93,"tag":137,"props":239,"children":240},{},[241],{"type":98,"value":242},"B2B commerce.",{"type":98,"value":244}," Optimizely Configured Commerce came out of Insite, which was built for B2B specifically: contract pricing, customer-specific catalogs, quote workflows, and the long tail of requirements that business-to-business selling has and business-to-consumer selling does not. If you are a manufacturer or distributor selling to accounts rather than to consumers, this is a strong reason to choose Optimizely.",{"type":93,"tag":106,"props":246,"children":248},{"id":247},"where-does-sitecore-clearly-win",[249],{"type":98,"value":250},"Where does Sitecore clearly win?",{"type":93,"tag":94,"props":252,"children":253},{},[254,259],{"type":93,"tag":137,"props":255,"children":256},{},[257],{"type":98,"value":258},"Multi-site and multi-brand at scale.",{"type":98,"value":260}," When one organization runs forty sites across twenty markets with shared components, regional governance, and language fallback rules that differ per market, Sitecore's model handles it. This is the environment Sitecore was shaped by, and it shows. Optimizely can do it. Sitecore does it more naturally, and the difference compounds as site count grows.",{"type":93,"tag":94,"props":262,"children":263},{},[264,269],{"type":93,"tag":137,"props":265,"children":266},{},[267],{"type":98,"value":268},"Governance depth for regulated industries.",{"type":98,"value":270}," Granular workflow, detailed audit trails, and precise permission boundaries. On regulated properties, where a claim cannot publish without a named reviewer's approval and you have to prove that after the fact, Sitecore's workflow model is the more complete one. We build on regulated pharma properties where this posture is contractual rather than aspirational, and Sitecore's governance is a genuine reason it keeps winning those accounts.",{"type":93,"tag":94,"props":272,"children":273},{},[274,279,281,287],{"type":93,"tag":137,"props":275,"children":276},{},[277],{"type":98,"value":278},"Localization depth.",{"type":98,"value":280}," Language versioning and fallback are first-class rather than layered on. If you run more than about ten languages with real regional editorial autonomy, this is a large practical advantage. We wrote up what makes localization hard independent of platform in ",{"type":93,"tag":155,"props":282,"children":284},{"href":283},"\u002Fblog\u002Fenterprise-cms\u002Fheadless-cms-localization",[285],{"type":98,"value":286},"headless CMS localization",{"type":98,"value":162},{"type":93,"tag":94,"props":289,"children":290},{},[291,296],{"type":93,"tag":137,"props":292,"children":293},{},[294],{"type":98,"value":295},"Personalization tied to a customer data platform.",{"type":98,"value":297}," Sitecore CDP plus Personalize is a coherent story if you are building toward customer data as an organizational asset. Optimizely has a data platform too, but Sitecore has invested harder here and it is more clearly the center of their roadmap.",{"type":93,"tag":106,"props":299,"children":301},{"id":300},"what-about-migration-cost-and-lock-in",[302],{"type":98,"value":303},"What about migration cost and lock-in?",{"type":93,"tag":94,"props":305,"children":306},{},[307],{"type":98,"value":308},"This is where the comparison usually gets decided in practice, and it rarely appears in the feature matrix.",{"type":93,"tag":94,"props":310,"children":311},{},[312],{"type":98,"value":313},"If you are already on one of these platforms, the incumbent has an enormous and legitimate advantage. Moving between two enterprise DXPs means rebuilding the content model, remapping every template, retraining every author, rebuilding every integration, and re-establishing search visibility on a new URL structure if anything moves. In the engagements we have seen, a platform switch at this tier is a multi-quarter program, and the business case has to be worth that, not just worth a nicer administration interface.",{"type":93,"tag":94,"props":315,"children":316},{},[317,319,324],{"type":98,"value":318},"The honest version: ",{"type":93,"tag":137,"props":320,"children":321},{},[322],{"type":98,"value":323},"most organizations asking Sitecore versus Optimizely should first ask whether they need to move at all.",{"type":98,"value":325}," A well-run implementation on the platform you already own beats a badly funded migration to the better platform. Every time. We say this to prospects who arrive wanting a migration quote, and it costs us work, but a migration that fails is worse for everyone than an upgrade that succeeds.",{"type":93,"tag":94,"props":327,"children":328},{},[329],{"type":98,"value":330},"If you are genuinely greenfield, migration cost is not a factor and you should weigh the capability differences above on their merits.",{"type":93,"tag":106,"props":332,"children":334},{"id":333},"what-about-talent-and-total-cost",[335],{"type":98,"value":336},"What about talent and total cost?",{"type":93,"tag":94,"props":338,"children":339},{},[340],{"type":98,"value":341},"Both platforms have a specialist scarcity problem. Senior Sitecore developers are scarce and expensive, which is a real strategic risk for a platform decision measured in decades. Optimizely developers are somewhat easier to find but the pool is not deep either.",{"type":93,"tag":94,"props":343,"children":344},{},[345],{"type":98,"value":346},"Two things reduce this risk regardless of which you choose:",{"type":93,"tag":94,"props":348,"children":349},{},[350,355],{"type":93,"tag":137,"props":351,"children":352},{},[353],{"type":98,"value":354},"Go headless, so most of your engineering is in a normal front-end stack.",{"type":98,"value":356}," If your rendering layer is a mainstream JavaScript framework, most of the work can be done by developers you can actually hire, and the platform specialist is needed for platform work rather than for everything. This is a strong argument for the newer headless-first offerings on both sides.",{"type":93,"tag":94,"props":358,"children":359},{},[360,365],{"type":93,"tag":137,"props":361,"children":362},{},[363],{"type":98,"value":364},"Do not staff the specialist role full time if the work is not full time.",{"type":98,"value":366}," Enterprise CMS demand is lumpy: a build, then quiet maintenance, then a spike for a rebrand or acquisition. Hiring a permanent senior specialist for a workload that is bursty is how organizations end up with an expensive person doing routine work, or no specialist at all when the spike arrives.",{"type":93,"tag":106,"props":368,"children":370},{"id":369},"how-to-run-the-evaluation-itself",[371],{"type":98,"value":372},"How to run the evaluation itself",{"type":93,"tag":94,"props":374,"children":375},{},[376],{"type":98,"value":377},"If the decision is genuinely close, do not resolve it with a longer feature matrix. Resolve it with a scoped proof of concept, and make both vendors build the same thing.",{"type":93,"tag":94,"props":379,"children":380},{},[381,386],{"type":93,"tag":137,"props":382,"children":383},{},[384],{"type":98,"value":385},"Pick your hardest real requirement, not a representative one.",{"type":98,"value":387}," The multi-market page with language fallback and a regional approval step. The integration that has always been awkward. Vendors demo their strengths by default, so choose the exercise yourself and give both the identical brief.",{"type":93,"tag":94,"props":389,"children":390},{},[391,396],{"type":93,"tag":137,"props":392,"children":393},{},[394],{"type":98,"value":395},"Have your own people build part of it.",{"type":98,"value":397}," A demo shows what the platform can do in expert hands. What you need to know is what it is like in your team's hands. 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We have seen excellent sites on both, and expensive failures on both. What separates them is not the vendor. It is whether the content model was designed rather than accumulated, whether governance exists, whether anyone owns the front end after launch, and whether the organization funded operations rather than only the build. Get those right and either platform works. Get them wrong and neither will save you.",{"type":93,"tag":94,"props":575,"children":576},{},[577,579,586,588,594],{"type":98,"value":578},"If you are running this comparison for real, or you have already chosen and want the implementation to survive contact with your organization, that is our work. We are Sitecore specialists and we will tell you when Sitecore is not the answer. Our support hours never expire, so you can put senior help against the phase you are actually in instead of against a retainer calendar. 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