Website immoroba.be

Anti-bot CAPTCHA widget that helps digitize books by providing snippets of books for people to enter the text for. Owned by Google.

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

Website using the € symbol on their website - meaning it may accept payment in Euros.

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

Phusion Passenger - a.k.a. mod_rails or mod_rack - is a web server and application server, designed to be fast, robust and lightweight. Administration tools allow you to gain insight into web application operations and server performance.

Ruby on Rails is an open-source web framework that is optimized for programmer happiness and sustainable productivity. It lets you write beautiful code by favoring convention over configuration.

Open graph locale entity tag

Open graph type entity tag

Open graph url entity tag

Open graph description entity tag

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

Open graph title entity tag

Chrome for Android, since version 39 supports the "theme-color" meta tag to allow websites control the background color of the tab's UI header.

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.

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

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

Sites using Html 5 SVG 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.