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Website technology scannerBy anVendor·Updated

anVendor vs Wappalyzer

Both tools offer live checks. Compare Wappalyzer's website technology data with anVendor's internal SaaS usage findings, estimated adoption and spend.

Wappalyzer and anVendor support different parts of company research. Wappalyzer identifies technology on a public website. anVendor helps you analyze a company through evidence of the SaaS and business services it uses, with estimated adoption and annual spend ranges where available. You can also start with a competitor to find likely users of its product.

What Wappalyzer does well

Wappalyzer's browser extension identifies technology while you view a site. That is useful for a rep researching a prospect or a marketer checking what a competitor's landing page loads. Its technology-filtered lead lists and API support prospecting in front-end categories.

Wappalyzer also offers live website lookups. Compare the SaaS usage each product can identify for your target companies as well as when it was checked; live scanning is available in both products.

Where it goes quiet

A service used only behind a login may leave no fingerprint on a company's public website. A design tool, document suite, HR system or code host can be in use without appearing there. A scanner finding nothing therefore does not tell you whether the company uses the service. And like any tag-based signal, a hit says a script is present, not that a subscription is live or how many people are on it.

Side by side

 WappalyzeranVendor
What it observesTechnology fingerprints on a company's public websiteCompany-service evidence found through live scans
SaaS behind a loginNo — what the browser loads onlyCoverage includes CRM, HR, design, documents, ticketing, code hosting and storage
Depth inside a companyPresent or absentEstimated adoption to help assess the scope of use
Spend figureNone publishedEstimated annual spend ranges from sourced plans and estimated usage; estimated rates labeled
Runs tool → companiesYes — lead lists filtered by technologyYes — find companies with evidence of using a competitor
Best atInstant front-end tech identification, in-browser and via APISaaS prospecting beyond website visibility, with live checks on demand

Where the gap is widest

The comparison covers 317 services with a public customer page in our vendor directory. 214 of them had no matching product in Wappalyzer's published technology catalogue, and 166 had a listing in neither BuiltWith nor Wappalyzer. By category:

 WappalyzeranVendor
Business & operationsNo listing for 56 of 8686 services with customer examples
Productivity & collaborationNo listing for 41 of 5555 services with customer examples
Engineering & dev toolsNo listing for 22 of 4242 services with customer examples
Learning & trainingNo listing for 25 of 2929 services with customer examples
HR & workplaceNo listing for 22 of 2828 services with customer examples
SecurityNo listing for 16 of 2222 services with customer examples
Finance & paymentsNo listing for 8 of 1010 services with customer examples
Sales & marketingNo listing for 8 of 1515 services with customer examples

20 services covered by anVendor

anVendor covers these services, which we did not find as matching products in Wappalyzer's published technology catalogue. We checked product names and known aliases. A missing public listing does not establish that Wappalyzer cannot detect the service.

Ordered by customer popularity in our vendor directory. Each link opens customer examples for that service.

Which to use when

  • Use Wappalyzer for immediate, in-browser identification of a site's stack, and for prospecting in categories that live on the front end.
  • Use anVendor to research a company's services, including those used behind a login, and review estimated adoption and spend before deciding whether it fits your sales approach.

The tools can complement each other in competitor research and analysis. A company missing from one result may appear in the other. Treat each result as evidence to investigate: a missing match does not prove non-use, and anVendor is not a complete customer database.

Competitor use can signal a need in the category and help your team qualify a lead. It does not establish budget, dissatisfaction or intent to switch. Check the account against your ideal customer profile and identify a reason to reconsider before outreach. Spend ranges are estimates, not invoices or guaranteed deal sizes.

anVendor treats scan results less than 30 days old as fresh and may reuse them. Paid access still applies where required; Reveal does not always start another scan. Choose Refresh in the app to start a new live scan now at the displayed credit price.

anVendor can identify company-service usage that leaves no detectable trace on the public website. Request a live check when you need to revisit a finding. Website technology data remains useful for researching what a company's site runs.

Frequently asked questions

Is anVendor a Wappalyzer alternative?

anVendor is an option for researching a company's services or finding likely users of a competitor. Wappalyzer is the relevant choice when you need to identify the technology on a public website. Check each product against the services and companies you want to research.

Does anVendor have a browser extension?

No. anVendor uses no browser extension, SDK or tracking script, and none of its data comes from watching what anyone does online. Results are delivered in the app, with CSV, Excel and PDF export.

Does anVendor have an API?

Yes: a REST API and an MCP server for AI assistants. Create API keys in your account, each limited to some methods, a credit budget and an expiry date, or connect claude.ai, ChatGPT or another assistant by signing in and approving it. Results also come with a full search history on your account and CSV, Excel and PDF export.

Suggest a correction · Sources and estimate limitations

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