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Site Info - Posteo.de

Overview of web technologies used by Posteo.de.

Website Background

E-Mail grün, sicher, einfach und werbefrei - posteo.de -

Posteo ist ein innvovativer E-Mail-Anbieter, der auf Nachhaltigkeit und Datenschutz setzt und komplett Werbefrei ist. Unsere E-Mail-Postfächer, Kalender und Adressbücher sind synchronisierbar - wir setzen auf umfassende Verschlüsselung.

automatic translation provided by Microsoft
Email green, safe, simple, and ad-free - posteo.de -.

Posteo is an innvovativer email provider that relies on sustainability and privacy and is one complete. Our email inboxes, calendar and address books are synchronized — we rely on comprehensive encryption.

Description on Homepage

Top 100k among all websites

Popularity rank

Client-side Programming Language

JavaScript is a lightweight, object-oriented, cross-platform scripting language, often used within web pages.

JavaScript

JavaScript Library

jQuery is a JavaScript library that simplifies HTML document traversing, event handling, animating and Ajax interaction. Originally developed by John Resig.

jQuery 1.12.4
82% of sites use a newer version
used on inner pages

Web Server

The Apache HTTP Server is an open source web server by the Apache Software Foundation.

Apache

DNS Server Provider

Excedo is a Swedish provider of DNS services.

Excedo

SSL Certificate Authority

DigiCert is an SSL certificate authority. This includes Verizon, whose Enterprise SSL Business has been acquired by DigiCert.

DigiCert

Site Elements

External Cascading Style Sheets define style rules in a separate CSS file.

External CSS

Inline Cascading Style Sheets define style rules directly within an (X)HTML element using the style attribute.

Inline CSS
used on inner pages

Session cookies are temporary cookies, which are deleted when the user closes the browser.

Session Cookies
used on inner pages

HttpOnly cookies are used only in the HTTP protocol and not in client side scripts, which may increase security.

HttpOnly Cookies
used on inner pages

Secure cookies are used only via an encrypted connections, which may increase security.

Secure Cookies
used on inner pages

Gzip (GNU zip) is a file compression algorithm.

Gzip Compression

A strong ETag is an HTTP header field for validation of cached web pages, that indicates a byte-for-byte identical page in the cache.

Strong ETag

The Internet Protocol version 6 (IPv6) provides amongst others a vastly larger address space than the preceding version 4. We consider a website to support IPv6 if a 128-bit address is assigned to it, regardless of the content delivered at that address.

IPv6

HTTP Strict Transport Security (HSTS) defines a mechanism enabling web sites to declare themselves accessible only via secure connections.

HTTP Strict Transport Security

The websites redirects visitors to use SSL encryption, e.g. from http://example.com/ to https://example.com/.

Default protocol https

Markup Language

HTML5 is the fifth revision of the HTML standard.

HTML5

Character Encoding

UTF-8 (8-bit Unicode Transformation Format) is a variable-length character encoding for Unicode, which is backwards compatible with ASCII.

UTF-8

Image File Formats

PNG (Portable Network Graphics) is a lossless compression image format, suitable to store graphics with uniformly colored areas, and originally introduced as a free, open-source successor of GIF.

PNG

JPEG (Joint Photographic Experts Group) is a lossy compression method suitable to store photographic images.

JPEG

Scalable Vector Graphics (SVG) is an XML-based vector image format.

Germany

English
German
French