How to detect any website's tech stack in bulk (and why a real browser finds 2x more)

Описание и применение

Использование браузера с выполнением JavaScript удваивает количество обнаруженных технологий, позволяя точнее определять стек сайтов в больших списках.

Задача

Sales teams, agencies, and analysts need to identify the technologies used by thousands of websites to target prospects, audit clients, or analyze market share.

Результат

A real browser doubles the number of detected technologies compared to static analysis, enabling more accurate bulk tech stack discovery.

Рабочий процесс

• 1. Load the target page with a headless browser (e.g., Chrome).
• 2. Block images, fonts, and media to reduce bandwidth.
• 3. Evaluate all JavaScript chains in a single page.evaluate call with try/catch.
• 4. Capture network requests to feed script‑URL and XHR patterns.
• 5. Collect HTML, response headers, cookies, DNS records, and SSL issuer data.
• 6. Match collected signals against the fingerprint database.
• 7. Resolve implies, requires, and excludes relationships.
• 8. Filter matches above a confidence threshold.
• 9. Output technologies grouped by category, version, and email provider.

Доказательства

3,342 of 7,628 technologies have js patterns: things like window.ABTasty, window.Intercom or AFRAME.version. These only exist after the page's JavaScript runs.

Источник

Roughly 2× more detections with a real browser: analytics, chat widgets, A/B testing, consent tools and front-end frameworks.

Источник

Block images, fonts and media in the browser. You don't need them, and it makes each page much cheaper.

Источник

The detector is open source (GPL-3.0, like the fingerprint data).

Источник