Roundcube Stack

Roundcube.net 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.

Mobile

Viewport Meta

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

Document Standards

Meta Keywords

Meta tag containing keywords related to the page.

Meta Description

The description attribute provides a concise explanation of the page content.

Meta Robot

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

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

Prefers Color Scheme

Defines how a page looks based on the color scheme choosen by the user for their desktop.

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.