Free Website Technology Checker
Enter any domain to instantly detect what technologies a website uses — frameworks, analytics, CMS, CDN, hosting, and more.
Why Use SyncGTM for Website Technology Analysis
Go beyond one-off lookups. SyncGTM turns website technology data into actionable prospecting intelligence at scale.
Bulk Website Tech Stack Detection
Analyze hundreds of domains in one table. Detect frameworks, analytics, CMS, CDN, and infrastructure technologies at scale — no browser extensions or manual lookups needed.
75+ Enrichment Actions
Go beyond tech stacks. Combine technographic data with email finding, company enrichment, funding signals, headcount tracking, and buying intent — all in one workflow.
Technographic Prospecting
Build prospect lists based on the technologies companies use. Target businesses running specific CRMs, marketing platforms, or development frameworks for laser-focused outreach.
API, CLI & MCP Access
Access website tech stack data programmatically via SyncGTM's REST API, command-line interface, or Model Context Protocol (MCP) — integrate into any tool or AI workflow.
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Try it freeFrequently Asked Questions
What is a website tech stack checker?
How does SyncGTM detect a website's technology stack?
Is this tech stack checker free?
What technologies can this tool detect?
How can I use tech stack data for sales prospecting?
Can I check multiple websites at once?
How accurate is website tech stack detection?
How is this different from BuiltWith or Wappalyzer?
Question not answered above? Contact us here
Check website technologies at scale with SyncGTM
Go beyond one domain at a time. Detect technology stacks for thousands of companies, enrich your CRM, and build targeted outreach — all in one platform.