Wappalyzer

Description

Wappalyzer is a utility that uncovers the technologies used on websites, including content management systems, e-commerce platforms, web servers, JavaScript frameworks, analytics tools, and more.

Wappalyzer provides comprehensive insights into the underlying software and services powering any given website. Available as a browser extension and a web service, it helps users quickly identify hundreds of web technologies across various categories, aiding in competitive analysis, lead generation, security auditing, and market research. Its detection capabilities span content management systems, programming languages, web servers, databases, marketing tools, and payment gateways, offering a detailed technology stack profile for any URL.

Key Applications

Competitive technology analysis
Sales prospecting based on tech stack
Market research and trend analysis
Technology migration planning
Developer tool research
Agency client acquisition

Who It’s For

Wappalyzer is designed for sales professionals, digital marketers, web developers, tech recruiters, market researchers, and agency owners who need insights into website technologies.

Pros & Cons

Pros	Cons
✔️ Instant technology stack identification	✖️ May miss custom or proprietary technologies
✔️ Excellent for sales prospecting and lead gen	✖️ Limited to publicly detectable technologies
✔️ Huge database of 2,000+ technologies	✖️ Can be blocked by some security measures
✔️ Free browser extension covers basic needs	✖️ API calls limited in lower-tier plans
✔️ Saves time on competitive research	✖️ May not detect recently launched technologies

Pros	Cons
✔ Very beginner-friendly	✖ Limited backlink data compared to Ahrefs
✔ Clean interface	✖ Less feature depth than Semrush
✔ Helpful community and resources	✖ Can feel slower at scale

How It Compares

Versus manual inspection: Automated detection vs checking source code manually
Versus built-in developer tools: Comprehensive tech profiling vs basic technology hints
Versus similar tools: Extensive technology database vs limited detection capabilities
Versus analytics platforms: Technology focus vs general website analytics

Bullet Point Features

Browser extension for instant analysis
API access for bulk processing
Lead generation based on technology
Custom technology lists
Competitor tracking
Real-time technology detection

Try It Now

Disclosure

All product names, logos and brands are property of their respective owners. Use is for educational and informational purposes only and does not imply endorsement. Links are to third-party sites not affiliated with Barndoor AI. Please see our Terms & Conditions for additional information.

Reviews from Our Users

8.07.2021

"Overall, I like the core features, but the mobile UI still feels a bit clunky. Hope they fix this in future updates."

Tom W.

Marketing Manager

06/10/2025

"Their support team actually listens to feedback! I’ve seen new features added within weeks. That’s impressive.''

Alex Carter

Freelancer

03/09/2025

"Some advanced options take a bit of time to understand, but once you get the hang of it, it’s incredibly powerful."

Ryan Blake

SaaS Consultant

12/08/2025

"I’ve tried several similar tools, but this one stands out for its clean interface and automation features. Totally worth the subscription."

Sarah Mitchell

GrowthWave Agency