{"slug":"wappalyzer","name":"Wappalyzer","domain":"wappalyzer.com","verdict":"As of 2026-09-08, Claude, Gemini collectively rank Wappalyzer first for technographic enrichment apis for identifying website tech stacks. Source: https://modelsagree.com/product/wappalyzer (modelsagree.com, CC BY 4.0).","best_rank":1,"categories":1,"entries":[{"slug":"best-technographic-enrichment-apis-for-identifying-website-tech-stacks","title":"Best technographic enrichment APIs for identifying website tech stacks","rank":1,"of":6,"score":12,"appearances":2,"modelRanks":{"Claude":1,"Gemini":2},"reason":"The reference dataset for website technology detection, with the widest fingerprint library (thousands of technologies) exposed through a clean REST/bulk API, Lookup + full firmographic/technographic enrichment, and CSV crawl exports; near-ubiquitous coverage of CMS, ecommerce, analytics, ad tech, and JS frameworks makes it the safe default for the typical practitioner who just needs reliable stack identification at reasonable price.","reasons":[{"model":"Claude","reason":"The reference dataset for website technology detection, with the widest fingerprint library (thousands of technologies) exposed through a clean REST/bulk API, Lookup + full firmographic/technographic enrichment, and CSV crawl exports; near-ubiquitous coverage of CMS, ecommerce, analytics, ad tech, and JS frameworks makes it the safe default for the typical practitioner who just needs reliable stack identification at reasonable price."},{"model":"Gemini","reason":"Near-tie with BuiltWith for front-of-stack inspection, earning its place through transparent, auditable detection rules, high accuracy on modern JavaScript frameworks and SPAs via live DOM and header analysis, and the flexibility of choosing between a managed API or self-hosted open-source engine."},{"model":"Claude","reason":"The community-maintained fingerprint set (the technology definitions now in the Webappanalyzer repo) plus wrappers like python-Wappalyzer let you self-host detection for free with full control and no per-call cost — ideal for engineers doing high-volume crawling who can run their own headless-browser pipeline."}],"fixes":[{"model":"Claude","fix":"Detection is surface-signal based, so it under-reports server-side/backend and internal tooling and can lag on obfuscated or SPA-heavy sites; not for anyone needing deep infrastructure or non-web-facing tech."},{"model":"Claude","fix":"The definitions are less current than the paid service and you own all the infrastructure, rendering, and maintenance burden; not for non-engineers or teams wanting SLAs and support."},{"model":"Gemini","fix":"Inherently blind to deep backend architecture, databases, internal middleware, or non-HTTP infrastructure that does not emit client-visible headers, scripts, or cookies."}],"updated":"2026-09-08","api":"https://modelsagree.com/api/v1/best/best-technographic-enrichment-apis-for-identifying-website-tech-stacks.json"}],"page":"https://modelsagree.com/product/wappalyzer","check":"https://modelsagree.com/check?q=Wappalyzer","updated":"2026-09-09T13:07:58.066Z","attribution":"modelsagree.com, CC BY 4.0"}