Find out the technology behind websites

Free and Pro Internet Research Tools

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Search for a website or web technology


e.g. techcrunch.com, Magento, bbc.co.uk, Google Analytics

Lead Generation

Build lists of websites from our database of 6000 web technologies and over a quarter of a billion websites showing which sites use shopping carts, analytics, hosting and many more. Filter by location, traffic, vertical and more.

Sales Intelligence

Know your prospects platform before you talk to them. Improve your conversions with validated market adoption.

Market Share

Get advanced technology market share information and country based analytics for all web technologies.

Technology Site Count % Change
DoubleClick.Net 1,342,121 +2.44
AppNexus 343,343 +2.3
DNS Made Easy 100,231 -1.2
Magento 12,100,231 -1.0

Internet Technology Trends

BuiltWith® covers over 6000 internet technologies which include analytics, advertising, hosting, CMS and many more. See how the internet technology usage changes on a weekly basis. With BuiltWith.com Technology Trends data back to November 2008.

You're in Great Company

Ross

BuiltWith has been an integral partner in identifying key market segment opportunities for us.
Ross Kramer - Listrak

Listrak
Patrick

BuiltWith gives us insight into where we can increase our technology penetration across the web.
Patrick Moran - New Relic

New Relic
Scott

We're big fans of BuiltWith at SpringMetrics. We're not exaggerating when we say it's changed the way we do business here.
Scott Lacy - Spring Metrics

Spring Metrics
Alex

With the BuiltWith eCommerce reports we were able to quickly and easily identify which sites were good fits with our widget.
Alex Fenkel - Wanttt

Want

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News

MIT Technology Review Coverage
BuiltWith in MIT Technology Review

MIT used BuiltWith® data in their A/B testing research piece. View

Google Rankings and Tech Choices
Tech & Google Rankings

A study into how technology choices affect Google Rankings, backed by BuiltWith® data. View

WSJ Coverage
WSJ Internet Research Piece

Read and watch the Wall Street Journals investigation backed by BuiltWith® data. View

BuiltWith Offices
Our new Offices!

Checkout some pictures from our green-themed Sydney Office. View

View the Blog