Tech Stack Detector - BuiltWith & Wappalyzer Alternative

Find out which technologies a website uses. You get the CMS or site builder, e-commerce platform, payments, analytics and tag managers, advertising pixels, chat and consent tools, JS frameworks, CDN, hosting, web server and, from public DNS, the email provider and verified SaaS services. Every match comes with evidence (the header, script, cookie name or DNS record that matched), so you can trust or check it.

$0.002 per website, no start fee. Sites that fail to load, block automated access or are disallowed by robots.txt are free.

Quick start: example input, output and cost

Find which CMS, shop platform, analytics, CDN, framework and email provider a website uses, with evidence per match. A low-cost technology lookup.

Example input

{
  "urls": [
    "https://wordpress.org",
    "https://www.shopify.com"
  ]
}

Cost example: 1,000 websites x $0.002 = $2.00.

Input

• urls: domains or homepage URLs (up to 5,000 per run; duplicates removed).
• dnsChecks (default on): reads public MX/NS/TXT records (email provider, DNS host, Google/Facebook/Atlassian/Stripe verifications). Same price.

Output (one item per site)

domain, finalUrl, httpStatus, technologies[] {name, category, confidence, evidence[]}, count, byCategory{}, cms, ecommerce, analytics[], cdn, hosting, emailProvider

Use the All technologies view for one row per technology. Failed sites and reasons are in ERRORS; totals in SUMMARY.

Limits

• One homepage request per site: technologies used only on inner pages or server-side are not detected.
• A missing technology means no public trace was found, not that the site does not use it.

How it works (and responsible use)

• One homepage request per site, after checking the site's robots.txt; disallowed sites are skipped (free). Honest User-Agent TechStackDetector/1.0, about one request per second per site at most, no logins and no bot-protection bypassing.
• About 120 technologies are matched by fingerprints we wrote ourselves from public, observable markers (response headers, script URLs, generator tags, cookie names, DNS records).
• No personal data: we store only technology names and the technical evidence that matched.
• Limits: technologies that leave no trace on the homepage (back-office tools, server-side only) cannot be detected. A missing technology is not proof it is not used.

Pricing

Event	Price
Website analysed (homepage fetched and matched)	$0.002

1,000 sites = $2. Comparable tools on the Store charge $0.005–0.1 per site or $0.01 per technology row.

Maintained by DigiVibeTech. Questions or missing technologies: use the Issues tab; we add fingerprints on request.