nginx [engine x] is a HTTP server and mail proxy server written by Igor Sysoev.
Free flash website creation system.
This page contains an icon for iPhone, iPad and iTouch devices.
This page uses the viewport meta tag which means the content may be optimized for mobile content.
The DOCTYPE is a required preamble for HTML5 websites.
Allows a website to define how a page is rendered in Internet Explorer 8, allowing a website to decide to use IE7 style rendering over IE8 rendering.
Meta tag containing keywords related to the page.
The description attribute provides a concise explanation of the page content.
Public specification of a preferred URL for a page allows search engines to understand the original location for content.
The Open Graph protocol enables any web page to become a rich object in a social graph, a open protocol supported by Facebook
Prevents phone numbers from being translated by the Skype toolbar if they are not formatted correctly.
Cascading Style Sheets (CSS) is a stylesheet language used to describe the presentation of a document written in a markup language. Its most common application is to style web pages written in HTML
UTF-8 (8-bit UCS/Unicode Transformation Format) is a variable-length character encoding for Unicode. It is the preferred encoding for web pages.
Last updated 25th November.
We track technology usage on over 250 million websites showing which sites use shopping carts, analytics, hosting and many more.
Sign up for Free
Download the BuiltWith Google Chrome Extension and get website lookups directly in your browser.
Download the BuiltWith Safari Extension and get website lookups directly in your browser.
Download the BuiltWith Firefox Addon and get website lookups directly in your browser.
The BuiltWith Bookmarklet, to install, drag this link to your browser toolbar: BuiltWith Bookmarklet
Can't find the technology? Send us a suggestion, we'll add it to our database.