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What CMS Is This Site Using
WhatCMS is a website technology detection platform for marketers, agencies, and developers that identifies content management systems, frameworks, hosting providers, and related stack data. It offers single-site checks, batch scans, and API access for lead generation, audits, and competitive research.
WhatCMS is a website technology detection platform for marketers, agencies, developers, and data teams that identifies the content management system and software stack behind any public URL. WhatCMS analyzes page markup, headers, domains, and other artifacts to detect CMS platforms, ecommerce systems, frameworks, programming languages, databases, web servers, hosting providers, and related technologies. Users can run single-site lookups, generate technology reports, upload batch URL lists, and access results through an API with JSON outputs for internal workflows and integrations. The platform also maintains categorized technology profiles covering CMS, website builders, document management systems, and other web software types.
Teams use WhatCMS for competitor research, lead generation, prospecting, technical audits, migration discovery, and market segmentation based on installed technologies. Sales and GTM teams can build B2B outreach lists filtered by CMS, hosting provider, language, domain type, or traffic rank, while agencies can qualify redesign opportunities and developers can inspect unfamiliar sites before proposals. Batch detections help operations teams enrich pipelines at scale, and the API supports automated workflows inside CRM, enrichment, or analytics systems. In a modern martech and RevOps stack, WhatCMS sits in the web intelligence and data enrichment layer, complementing prospect databases, outreach tools, and account research platforms with verified technology signals.
WhatCMS fits marketers, agencies, sales ops, and developers at B2B SaaS, ecommerce, and mid-market service firms. It serves teams using lead generation, competitor research, and pipeline targeting workflows who rely on website technology data, automation, and high-volume prospect segmentation.
What's included
What's included
What's included

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WhatCMS analyzes publicly available website signals such as source code, scripts, headers, cookies, and page patterns to detect installed technologies. WhatCMS then maps those signals to known CMS platforms, ecommerce systems, frameworks, hosting providers, and related software.
WhatCMS is used by marketers, agencies, developers, sales teams, and researchers who need website stack data. WhatCMS fits teams running lead generation, competitor analysis, technical audits, or prospecting workflows based on installed technologies.
WhatCMS supports bulk website checks for teams working with lists of domains. WhatCMS batch workflows help users enrich prospect databases, segment accounts, and run market research faster than checking sites one by one.
WhatCMS provides API access so teams can request technology detection results programmatically. WhatCMS API workflows are commonly used for CRM enrichment, internal dashboards, prospecting pipelines, and recurring analytics processes.
WhatCMS returns broader website technology data beyond content management systems. WhatCMS can identify ecommerce platforms, analytics tools, JavaScript libraries, frameworks, web servers, hosting providers, and other stack components when detectable.
WhatCMS helps sales teams build targeted outreach lists based on technologies a company already uses. WhatCMS enables segmentation by CMS, ecommerce platform, or hosting provider so messaging aligns with a prospect's existing stack.
WhatCMS requires minimal setup for browser-based lookups because users only enter a domain or URL. WhatCMS API usage typically requires an account, authentication key, and connection to existing workflows or internal systems.
WhatCMS is useful for agencies and consultants evaluating redesign, migration, or retainer opportunities. WhatCMS quickly reveals a prospect's current platform so teams can scope projects, prioritize outreach, and prepare technical proposals.
WhatCMS sits in the web intelligence and data enrichment layer of a GTM stack. WhatCMS complements CRM systems, outreach platforms, analytics tools, and account research workflows with verified technology signals.
WhatCMS automates technology discovery instead of requiring manual source-code review across many sites. WhatCMS standardizes detection outputs, speeds research workflows, and makes website stack data easier to use in pipeline and prospecting operations.
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