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Learn five practical methods to identify the content management system behind any website, from viewing page source to using automated detection tools.

Looking for a BuiltWith alternative? We compare seven website technology detection tools, including free options with API access.

A practical comparison of the top website technology lookup tools for developers, marketers, and sales professionals.

Discover how to identify React, Vue, Angular, Next.js, Nuxt, Svelte, and other JavaScript frameworks on any live website.

Learn how to identify WordPress plugins on any site by analyzing script paths, HTML patterns, meta tags, and more.

Learn how to detect Shopify, WooCommerce, Magento, BigCommerce, and other ecommerce platforms on any online store using headers, HTML, and automated tools.

Discover how to identify a website's hosting provider using DNS lookups, IP analysis, HTTP headers, and automated detection tools.

A deep dive into how technology detection tools identify JavaScript frameworks like React, Vue, Angular, Svelte, and their meta-frameworks.

Learn how to detect Google Analytics, Plausible, Matomo, Hotjar, and other analytics and tracking tools on any website.

A practical guide to detecting Cloudflare, Fastly, Akamai, AWS CloudFront, and other CDNs using HTTP headers, DNS, and automated tools.

Learn how to identify Stripe, PayPal, Klarna, Mollie, and other payment processors on ecommerce websites through script analysis and HTML patterns.

How to detect HubSpot, Marketo, Mailchimp, ActiveCampaign, and other marketing automation platforms on any website.

Learn how to identify WAFs, DDoS protection, SSL configurations, security headers, and other security technologies on any website.

How to identify Yoast SEO, Rank Math, schema markup generators, and other SEO tools running on websites.

Learn how to detect Intercom, Drift, Zendesk Chat, Crisp, LiveChat, and other live chat widgets on any website.

A comprehensive guide to using open-source intelligence (OSINT) techniques for website technology fingerprinting, from passive reconnaissance to active scanning.

How DNS records reveal a website's technology stack: using TXT, CNAME, MX, and NS records for OSINT technology reconnaissance.

How to use ads.txt files for OSINT and competitive intelligence: understanding SSPs, ad exchanges, and publisher monetization strategies.

Learn what Google Discover is, the 13 technical and content signals that determine eligibility, and how to check if your site qualifies for this high-traffic channel.