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Technologies in use by pdf.org

AppNexus is the most advanced platform for buying real-time online advertising. AppNexus's clients include the largest ad networks and online advertisers. AppNexus offers a proprietary gateway to premier ad exchanges and ad inventory aggregators, and cloud computing capabilities for unrivaled scalability. AppNexus is based in Ne...

Moat advertising metrics system.

Twitter advertising includes conversion tracking and re-marketing tools.

AppNexus DSP is a service for advertisers who want to increase the cost effectiveness of advertisement distribution.

DoubleClick is a provider of digital marketing technology and services. Companies come to DoubleClick for expertise in ad serving, media, video, search and affiliate marketing to help them make the most of the digital medium.

Unified Advertising and Analytics solutions from Google

Google Analytics is a service offered by Google that generates detailed statistics about a website's traffic and traffic sources and measures conversions and sales. Google Analytics can track visitors from all referrers, including search engines and social networks, direct visits and referring sites. It also displays advertisin...

Crazy Egg allows website owners to create tests to figure out what people are doing on their website.

New Relic offers SaaS Application Performance Management and Real User Monitoring for Cloud and Data Center deployed web applications implemented in Ruby, Java, .NET or PHP.

FancyBox is a tool for displaying images, html content and multi-media in a Mac-style "lightbox" that floats overtop of web page.

jQuery UI is a curated set of user interface interactions, effects, widgets, and themes built on top of the jQuery JavaScript Library. Whether you're building highly interactive web applications or you just need to add a date picker to a form control.

jQuery: The Write Less, Do More, JavaScript Library.

Google Tag Manager makes it easy for marketers to add and update website tags including analytics, remarketing, and more.

Websites using some type of Facebook technology.

Websites using Google technologies

Website using Instagram integrations or links.

Website with links to Instagram profiles or pictures

All Twitter's social tools, including buttons and timeline widgets.

AddThis, the new brand name for Clearspring Technologies, is the leader in socially connecting publishers, services and advertisers to audiences on the open web. Reaching more than 1.3 billion unique users monthly, AddThis’ social tools and analytics are used on more than 14 million unique domains to distribute and track digital...

Facebook Connect allow users to connect their Facebook identity, friends and, privacy to any website. Facebook Connect is Facebook's first attempt to allow access to Facebook user data outside of Facebook itself. The company is describing it as giving third party applications access to much of the same data as Facebook applicat...

This site uses the viewport meta tag which means the content may be optimized for mobile content.

Embedded videos from YouTube.

TuneIn provides listeners access to over 100,000 real radio stations and more than four million podcasts streaming from every continent.

Version 8 of Drupal.

Non-profit CMS building system.

Drupal is a free software package that allows you to easily organize, manage and publish your content, with an endless variety of customization

Blackbaud provides nonprofit management solutions, fundraising software, prospect research, fund accounting, school administration, ticketing and more.

Google APIs are application programming interfaces developed by Google which allow communication with Google Services and their integration to other services.

High volume, cross platform push notification delivery

Varnish is an HTTP accelerator designed for content-heavy dynamic web sites. In contrast to other web accelerators, such as Squid, which began life as a client-side cache, or Apache and nginx, which are primarily origin servers, Varnish was designed as an HTTP accelerator. Varnish is focused exclusively on HTTP, unlike other pro...

nginx [engine x] is a HTTP server and mail proxy server written by Igor Sysoev.

Pantheon hosts Drupal and Wordpress sites, while also delivering staging environments, backups, workflow, a global CDN and HTTPS.

PHP is a widely-used general-purpose scripting language that is especially suited for Web development and can be embedded into HTML.

A family of standard web feed formats used to publish frequently updated information like blog entries, news headlines, audio and video.

A rich hosted Exchange environment for every user without having to manage a server.

websites using the $ symbol on their website - meaning it may accept payment in this currency used in Israel.

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.

Websites using https protocol.

The Open Graph protocol enables any web page to become a rich object in a social graph, a open protocol supported by Facebook

Google's hosted library for web fonts. Allows websites to choose and use fonts from a free, wide variety of fonts.

The iconic font and CSS toolkit

Meta descriptions are HTML attributes that provide concise explanations of the contents of web pages. Meta descriptions are commonly used on search engine result pages (SERPs) to display preview snippets for a given page.

The http-equiv attribute provides an HTTP header for the information/value of the content attribute. The http-equiv attribute can be used to simulate an HTTP response header.

A canonical link element is an HTML element that helps webmasters prevent duplicate content issues by specifying the "canonical", or "preferred".

Wesites using favicon rel tag

UTF-8 (8-bit UCS/Unicode Transformation Format) is a variable-length character encoding for Unicode. It is the preferred encoding for web pages.