Identify technologies on websites

Find out the technology stack of any website. Create lists of websites that use certain technologies, with email addresses and phone numbers. Use our tools for lead generation, market analysis and competitor research.

Empower your sales and marketing teams

Generate sales leads
Find new prospects by the technologies they use. Reach out to customers of Shopify, Magento, Salesforce and others.
Enrich your data
Upload a list of websites to get a report of the technologies in use, such as CMS or ecommerce platforms.
Connect to your tools
See the technology stacks of your leads in your browser, CRM, mobile device or email client.
Technology lookup

Find out what websites are built with

Instantly reveal the technology stack and contact details of any website, such as CMS, ecommerce platform or payment processor.

Or, upload a list
Highlights
Instant results
50 Free monthly lookups
Perform up to 100,000 lookups at once
Lead lists

Create lists of websites and contacts

Find prospects by the technologies they use. Lead lists contain websites, email addresses, phone numbers and social media profiles. Create and export custom reports for any web technology based on website traffic, location and industry.

Create a lead list
Highlights
Millions of companies tracked globally
Organic data with traffic markers
Fresh and accurate data
APIs

Automate technology lookups

The Wappalyzer APIs provide instant access to website technology stacks, contact details and social media profiles. Track your prospects' technology choices, examine large numbers of websites or enrich your own datasets with technographic insights.

Compare APIs API reference
Highlights
Split second results
Crawl websites in real-time
Free trial
Website alerts

Monitor your competitors' websites

Get notified when a website's technolopgy stack changes. Be the first to know when a competitor moves to a new CMS, ecommerce platform or any other technology.

Create an alert
Highlights
Same-day notifications
Create up to 500 alerts
Get 5 alerts free
Apps

Wappalyzer works with the tools you use every day.

Chrome

See the technologies of websites you visit in your browser.

Firefox

See the technologies of websites you visit in your browser.

Edge

See the technologies of websites you visit in your browser.

Safari

See the technologies of websites you visit in your browser.

HubSpot

See the technology stacks of your leads in your CRM.

Pipedrive

See the technology stacks of your leads in your CRM.

Zapier

Connect Wappalyzer to the apps you use, no code required.

Integromat

Connect Wappalyzer to the apps you use, no code required.

Gmail

See the technology stacks of your contacts in Gmail.

Android

Wappalyzer in your pocket.

Wappalyzer is trusted by thousands of professionals world-wide

Wappalyzer has proven to be a great tool to help us break down the aggregate analysis of how the web is doing by various technologies. Ilya Grigorik
Director, Developer Relations at Google
These days you need advanced marketing tools to stand out from the competition. Wappalyzer help us do just that. Thomas Alibert
Growth Engineer at PayFit
Wappalyzer has been hugely valuable to slice performance data by the various detected applications at WebPageTest.org. Patrick Meenan
Engineering Fellow at Catchpoint
Wappalyzer has been such a useful part of the HTTP Archive dataset. It's enabled us to slice the data in new ways and discover more interesting insights about the state of the web. Rick Viscomi
Senior Developer Relations Engineer at Google
Wappalyzer is helping our sales teams to understand prospects better and faster by having a clear view on their techstack. Rabin Nuchtabek
Chief Growth Engineer at Skedify

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