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.

Technology lookup

Find out what websites are built with

Instantly reveal the technology stack and contact details of any website, such as ecommerce platform, content managment system or marketing automation tools.

Highlights
Instant results
Look up any website
50 Free monthly lookups
Lead lists

Create lists of websites that use certain technologies

Find new 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 language.

Create a lead list
Highlights
Over a thousand technologies tracked
Organic data with traffic markers and contacts
Fresh and accurate data
Bulk lookup

Look up a number of websites in one go

Supply your own list of websites to create a report of the technologies they use, along with contact details and social media profiles. Gain a better understanding of your target audience with technographic insights.

Upload a list
Highlights
Perform up to 5,000 lookups at once
Effortless and integration free
Fresh and accurate data
APIs

Programmatic access to technographic data

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
Get started in minutes
Perform instant lookups
Real-time analysis
Alerts

Get notified when a website's technology stack changes

Monitor your competitor's technology choices with alerts. Be the first to know when they move to a new CMS, ecommerce platform or any other technology.

Create an alert
Highlights
Same-day notifications
Create up to 500 alerts
Browser extension

Get the free browser extension

Install the Wappalyzer browser extension to see the technologies used on websites you visit at a glance.

Download
Highlights
Free forever
Available on Chrome, Firefox and Edge
Functions locally and offline

"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 trusted by thousands of professionals world-wide

Subscribe to receive occasional product updates.