Competitor analysis

Discover who's using your software and that of your competitors. Instantly find out the technology stack of your competition's websites, individually or in bulk. Automate technology lookups and real-time analysis with our highly scalable APIs.

Technology stacks
Website monitoring
API access
Real-time analysis
Instant results
Browser extension
Custom reports
Data import & export
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.

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
Over a thousand technologies tracked
Organic data with traffic markers and contacts
Fresh and accurate data
Bulk technology 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
Perform up to 100,000 lookups at once
Effortless and integration free
Fresh and accurate data

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
Get started in minutes
Perform instant lookups
Real-time analysis
Website 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
Same-day notifications
Create up to 500 alerts
Apps & integrations

Wappalyzer works with the tools you use every day.


See the technologies of websites you visit in your browser.


See the technologies of websites you visit in your browser.


See the technologies of websites you visit in your browser.


See the technologies of websites you visit in your browser.


See the technology stacks of your leads in your CRM.


See the technology stacks of your leads in your CRM.


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


See the technology stacks of your contacts in Gmail.


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"

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