Viber Stack

Viber.com is built with the following tech stack:

Document Encoding

UTF-8

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

Document Standards

X-UA-Compatible

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 Robot

This page contains a meta robots tag which tells search engines and robots to index or not index the page.

Open Graph Protocol

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

Twitter Cards

Twitter cards make it possible for you to attach media experiences to Tweets that link to your content.

Web App Manifest

Defines the attributes of a web app in a simple JSON file. It describes how the web app should appear on the users system and how it should launch.

HREF Lang

Contains language specific links.

Canonical Content Tag

Public specification of a preferred URL for a page allows search engines to understand the original location for content.

Cascading Style Sheets

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

Javascript

JavaScript is a scripting language most often used for client-side web development.

JSON-LD

JSON-LD, or JavaScript Object Notation for Linked Data, is a method of transporting Linked Data using JSON.

HTML5 DocType

The DOCTYPE is a required preamble for HTML5 websites.

HTML 5 Specific Tags

This page contains tags that are specific to an HTML 5 implementation.

Content Type Options

Used to disable MIME-sniffing for a particular HTTP response.

Mobile

Viewport Meta

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

Apple Mobile Web Clips Icon

This page contains an icon for iPhone, iPad and iTouch devices.

Language

United States HREF LANG

This webpage has alternate versions available in United States via the use of the hreflang tag.

Spain HREF LANG

This webpage has alternate versions available in Spain via the use of the hreflang tag.

Germany HREF LANG

This webpage has alternate versions available in Germany via the use of the hreflang tag.

France HREF LANG

This webpage has alternate versions available in France via the use of the hreflang tag.

Hungarian HREF LANG

This webpage has alternate versions available in Hungarian via the use of the hreflang tag.

Italy HREF LANG

This webpage has alternate versions available in Italy via the use of the hreflang tag.

Japan HREF LANG

This webpage has alternate versions available in Japan via the use of the hreflang tag.

Portugal HREF LANG

This webpage has alternate versions available in Portugal via the use of the hreflang tag.

Russia HREF LANG

This webpage has alternate versions available in Russia via the use of the hreflang tag.

Vietnamese HREF LANG

This webpage has alternate versions available in Vietnamese via the use of the hreflang tag.

Saudi Arabia HREF LANG

This webpage has alternate versions available in Saudi Arabia via the use of the hreflang tag.

Analytics and Tracking

Google Analytics

Google Analytics offers a host of compelling features and benefits for everyone from senior executives and advertising and marketing professionals to site owners and content developers.