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Technologies in use by trahk.com.hk

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

Simple, fast, and powerful. Optimizely is a dramatically easier way for you to improve your website through A/B testing. Create an experiment in minutes with our easy-to-use visual interface with absolutely no coding or engineering required. Convert your website visitors into customers and earn more revenue today!

Optimizely X Full Stack is A/B testing and feature management for product development teams.

Application Intelligence: real-time insights into application performance, user experience, and business outcomes

D3.js is a JavaScript library for manipulating documents based on data. D3 helps you bring data to life using HTML, SVG, and CSS. D3’s emphasis on web standards gives you the full capabilities of modern browsers without tying yourself to a proprietary framework, combining powerful visualization components and a data-driven appro...

Parse, validate, manipulate, and display dates in JavaScript.

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

Tealium is a provider of tag management system for enterprise web sites.

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

iOS Safari instructions for mobile web apps

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

Using this tag you can set up your web app to have an application shortcut icon added to a device's homescreen, and have the app launch in full-screen "app mode".

LivePerson (http://www.liveperson.com/) is the market leader in real-time intelligent customer engagement. Our mission is to help companies create deeper connections with their customers, and our investment in real-time analytics, metrics and a world-class hosted platform makes this possible at scale. From the largest global ent...

Websites using Google technologies

Content management solution for building websites, mobile apps and forms.

ThreatMetrix ID delivers the intelligence behind 100 million daily authentication and trust decisions to differentiate legitimate customers from fraudsters in real time.

CardinalCommerce helps websites with authenticating digital transactions, deepening insights into Card-Not-Present and 3-D Secure processed transactions.

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.

Content Security Policy is best used as defense-in-depth, to reduce the harm caused by content injection attacks.

The DOCTYPE is a required preamble for HTML5 websites.

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

Meta Keywords are a specific type of meta tag that appear in the HTML code of a Web page and help tell search engines what the topic of the page is.

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.

Sites who has this tag are verfied by google to use WebMaster tools

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.

When running in a browser on a mobile phone, "format-detection" meta tag determines whether or not telephone numbers in the HTML content will appear as hypertext links. The user can click a link with a telephone number to initiate a phone call to that phone number.

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.