Instantly Discover What Powers Any Website
Curious about what tools, platforms, or stacks your competitors are using? With our Website Technology Checker, you can uncover any site's backend & frontend tools—fast. Whether you're a developer, marketer, or founder, understanding tech choices gives you a strategic edge.
From CMS, frameworks, and CDNs to analytics and marketing scripts—we scan it all. No setup. Just enter a domain and get full-stack visibility instantly.
- Detect 80+ technology types including CMS, JS libraries, and CRMs
- Instant results—no signup required
- Built for developers, marketers & tech analysts
Why Use Exellius for Website Tech
Discovery?
01.Deep Technology Detection
Go beyond the surface. Our scanner uncovers a site's full tech stack with precision. From WordPress to Next.js to Cloudflare, we detect what powers any website.
- Detect CMS, frameworks, JS libraries
- Hosting provider, CDN, and SSL info
- Marketing & analytics tools
- Custom-built tech stacks
Build better strategies by knowing your competitors' infrastructure inside out.
02.Fast & Reliable Results
Get detailed insights with just one click. Our engine ensures high-speed processing with maximum reliability, so your research workflow never hits a bottleneck.
- Scan any domain in seconds
- No sign-up or extensions required
- Cloud-based crawler engine
- 99.9% uptime SLA
03.Built for Sales & Marketing Teams
Understand which technologies your prospects use—before reaching out. Target by tech stack, use technographic filters, and personalize your pitch based on actual tooling data.
04.Tech Change Monitoring
Track changes in your competitors' tech stack over time. We alert you when websites add or drop tools—giving you a strategic edge in outreach or product development.
05.Free to Use & Developer-Friendly
Start scanning websites without logging in. For developers and teams, we also offer an API to automate workflows, build integrations, or enrich your CRM with tech data.
What Makes Exellius the Best Website Technology Checker?
Uncover the Full Tech Stack Instantly
Just enter a website URL to reveal everything it runs on—from frontend frameworks to backend infrastructure. Exellius scans, analyzes, and displays:
- CMS Platforms (WordPress, Webflow, etc.)
- JavaScript Libraries (React, Vue, jQuery)
- Hosting, CDN & SSL Info
- Tracking & Marketing Tools
Scan Websites in Seconds
Get fast, actionable results without the need for extensions or plugins:
- Scan any domain by simply entering a URL
- Instant load time with no setup required
- Lightweight crawler that works in the background
- Responsive design across desktop and mobile
Target Prospects by Tech Stack
Use technographic insights to filter and prioritize high-fit accounts:
- Find companies using specific tools (e.g., Shopify, HubSpot, React)
- Segment by hosting platform (e.g., AWS, Cloudflare, GoDaddy)
- Identify product-fit signals based on tech behavior
- Export enriched data for outreach or CRM enrichment
Step 4:
Analyze Tech Stack of Any Website
Instantly uncover the tools and technologies used by your prospects:
- Discover CMS, analytics, CRMs, and more
- Track web technologies for better targeting
- Identify sales triggers from tech changes
- Enrich lead profiles with tech insights
Industries We Serve
We offer B2B lead data for multiple industries, including:
Technology & SaaS
Healthcare & Pharma
Finance & Banking
Manufacturing & Logistics
Retail & E-commerce
How We Outperform Other Tech Stack Analysis Tools
Unlike traditional website scanners, Exellius offers deep, actionable technographic insights and contact-level data for smarter prospecting.
Learn how it compares
What Sets Us Apart
We go beyond surface-level tech tags:
- Track JavaScript frameworks with usage depth
- Detect hidden backend tech via DNS & headers
- Monitor 3rd-party services like CRMs or chatbots
Get actionable sales context from tech data:
- Know when tools were added or removed
- Identify product gaps to position your solution
- Sort targets by technology adoption stage
Map entire teams—not just technologies:
- Get verified contacts tied to each tool
- Understand who influences tool decisions
- Prioritize high-fit roles for outreach