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Website Technology Checker

Get heuristic-based technology insights for any website. Quickly access BuiltWith, Wappalyzer, and Google PageSpeed analysis tools.

How to Use

  1. Enter a website URL or domain (e.g. "tomba.io" or "https://piedpiper.com") in the input field.
  2. Click "Analyze Technology" to run heuristic checks on the domain.
  3. Review the results for SSL, sitemap, robots.txt, and Cloudflare detection indicators.
  4. Click any external tool link (BuiltWith, Wappalyzer, PageSpeed) for a detailed technology breakdown.

Why Use This Tool

  • ✓ Get instant heuristic insights about any website without installing browser extensions.
  • ✓ One-click links to BuiltWith, Wappalyzer, and Google PageSpeed save you from manual searching.
  • ✓ Quickly assess competitor tech stacks and identify sales opportunities based on technology usage.

// do this at scale with the api

GET/technologyFree

// how it works

How to Use Website Tech Checker

  1. 01

    Enter a website URL

    Type any website URL or domain into the input field above.

  2. 02

    Run heuristic checks

    Click Analyze Technology to detect SSL, sitemap, robots.txt, and Cloudflare indicators.

  3. 03

    Deep-dive with tools

    Click BuiltWith, Wappalyzer, or PageSpeed links for full technology breakdowns.

// features

Why Use Website Tech Checker

  • SSL Detection

    Checks whether the domain supports HTTPS and has an active SSL certificate.

  • Sitemap Check

    Verifies if the website has a discoverable sitemap.xml for SEO indexing.

  • Robots.txt Check

    Detects whether the site has a robots.txt file controlling crawler access.

  • Cloudflare Detection

    Identifies sites using Cloudflare CDN and DDoS protection services.

  • External Tool Links

    One-click links to BuiltWith, Wappalyzer, and Google PageSpeed for deep analysis.

  • Instant Heuristics

    Quick domain-based checks run client-side with no waiting or API calls needed.

// use cases

Who Uses Website Tech Checker

  • Sales Engineers

    Identify prospect tech stacks to tailor product demos and integration pitches.

  • Competitive Analysts

    Research competitor technology choices to find market positioning advantages.

  • SEO Specialists

    Check if sites have sitemaps, robots.txt, and SSL for technical SEO audits.

  • Developers

    Quickly assess the technology foundation of any website before integration work.

// faq

Frequently asked questions

Still have questions? Visit the help center

// quick start

Make your first call in a minute

Free account, real API key, the same endpoints Enterprise customers use.

  1. 1Create a free account25 searches a month. No card.
  2. 2Copy your key and secretFrom API keys in the dashboard.
  3. 3Call the APIPaste the request; the answer is JSON.
Get free API keyRead the docs
curl "https://api.tomba.io/v1/email-finder?domain=piedpiper.com&first_name=Richard&last_name=Hendricks" \
  -H "X-Tomba-Key: $TOMBA_API_KEY" \
  -H "X-Tomba-Secret: $TOMBA_SECRET_KEY"
Response
200 OK· 1 search credit
{
  "data": {
    "email": "richard@piedpiper.com",
    "first_name": "Richard",
    "last_name": "Hendricks",
    "full_name": "Richard Hendricks",
    "website_url": "piedpiper.com",
    "company": "Pied Piper",
    "pattern": "{first}",
    "department": "executive",
    "type": "personal",
    "position": "CEO",
    "country": "US",
    "gender": "male",
    "twitter": null,
    "linkedin": "https://www.linkedin.com/in/richard-hendricks",
    "score": 100,
    "accept_all": false,
    "phone_number": true,
    "verification": {
      "date": "2025-01-15T10:32:00+01:00",
      "status": "valid"
    },
    "sources": [
      {
        "uri": "https://piedpiper.com/blog/engineering",
        "website_url": "piedpiper.com",
        "extracted_on": "2024-06-01T09:14:07+01:00",
        "last_seen_on": "2025-01-10T17:02:44+01:00",
        "still_on_page": true
      }
    ],
    "phone_data": []
  }
}