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Best Netcraft Alternatives ranked by AI · updated Aug 2026
Netcraft provides internet security and infrastructure intelligence, including site reports that expose hosting, server, certificates, and selected technologies. It is used by security professionals, infrastructure teams, researchers, and organizations investigating websites.
Top 6 Netcraft alternatives
BuiltWith is a web technology profiler tool that helps you find out what websites are built with.
Free version available, with paid plans starting at $295/month
Stackshare is a platform that lets you discover and discuss the best software tools and services.
Wappalyzer is a browser extension that identifies the technologies used on websites. It detects content management systems, eCommerce platforms, web servers, JavaScript...
WhatRuns is a browser extension that helps you identify technologies used on websites.
Free with premium options
Hosting Checker is a free online service that identifies the hosting provider and infrastructure associated with a website. It is intended for...
Pros
- Provides fast domain-based hosting-provider lookups
- Requires no installation or account for basic checks
- Simpler and more focused than full technology-profiling platforms
Cons
- Offers less technology detail than BuiltWith or Wappalyzer
- Results can be inconclusive when sites use CDNs, proxies, or cloud infrastructure
- Lacks the monitoring and historical data available in enterprise tools
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