Knowing what a prospect's website is built with is one of the strongest qualification signals in B2B SaaS. Sell to Shopify stores? Filter your list. Replace HubSpot? Filter to HubSpot users. Kavex Tech Stack Detector scans any URL and returns ~60 detected technologies across 8 categories.
What we detect (8 categories)
Hand-curated signature list, prioritised by deployment volume.
- Frameworks: Next.js, React, Vue, Nuxt, Angular, Svelte, Astro, Remix
- CMS: WordPress, Shopify, Wix, Squarespace, Webflow, Ghost, HubSpot CMS, Drupal
- Analytics: Google Analytics, GTM, Hotjar, Mixpanel, Segment, Amplitude, Plausible, PostHog
- Marketing: Intercom, HubSpot, Drift, Mailchimp, Klaviyo, Zendesk, Crisp
- Hosting/CDN: Vercel, Netlify, Cloudflare, AWS CloudFront, Fastly
- Payments: Stripe, PayPal, Adyen, Mollie
- E-commerce: WooCommerce, BigCommerce, PrestaShop
- Backend hints: Express, Nginx, Apache, Rails, PHP
Sales play: tech stack as ICP filter
Maps "restaurants in NYC" → 5,000 leads with websites. Run Tech Stack on all → filter to 1,200 using Square POS. Now you have a clean list to pitch your Square-compatible product.
Every number on this page comes from that run, not from a price list.
Questions people ask
Vs Wappalyzer?
Wappalyzer free Chrome ext is great for one-offs. Their API: $200/month. Kavex: 1 credit ($0.001) per URL, no monthly fee.
Vs BuiltWith?
BuiltWith has historical depth. Kavex covers the top 60 tools and is 50-100× cheaper. For active prospecting our coverage is sufficient.