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
Best HostingDetector Alternatives ranked by AI · updated Aug 2026
HostingDetector is an online service for determining which hosting provider or infrastructure hosts a website. It targets site owners, researchers, and domain buyers who need a quick hosting lookup without installing software.
Top 6 HostingDetector alternatives
Wappalyzer is a browser extension that identifies the technologies used on websites. It detects content management systems, eCommerce platforms, web servers, JavaScript...
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
DNSlytics provides detailed information about domains, IP addresses, and more.
Pros
- Offers free basic functionality
- Provides historical data for domains
Cons
- Restricted features in free plan
- Paid plans can be expensive for casual users
Free and paid plans
5
Netcraft
Netcraft
Netcraft provides internet security and infrastructure intelligence, including site reports that expose hosting, server, certificates, and selected technologies. It is used by...
Pros
- Adds strong hosting, certificate, and security context to technology lookups
- Established internet measurement and security research provider
- More useful than StackDetect for infrastructure and abuse investigations
Cons
- Not as focused on marketing technology and lead generation
- Technology coverage is narrower than dedicated profilers for some web stacks
- Many enterprise capabilities require contacting Netcraft
Free site reports; enterprise pricing N/A
6
WhoIsHostingThis
WhoIsHostingThis
WhoIsHostingThis is a free online lookup service that reveals the hosting company behind a domain. It serves users researching hosting providers or...
Pros
- Directly focused on identifying website hosting providers
- Simple lookup experience comparable to Hosting Checker
- Includes hosting-related context and provider information
Cons
- Provides less infrastructure detail than BuiltWith
- Detection can be obscured by CDNs and reverse proxies
- Less useful for comprehensive technology-stack analysis
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