Site Info - Sld.cu

WordPress is an open source blog publishing and content management system, based on PHP and MySQL.

Drupal is an open source content management system written in PHP, originally developed by Dries Buytaert.

Horde is an open-source PHP-based groupware package.

PHP is a scripting language for creating websites.

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

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

Bootstrap is an open source HTML, CSS, and JavaScript framework.

Popper is an open source JavaScript library for tooltips and popovers.

Polyfill.io provides tailored code that implements features on web browsers without native support.

Prototype is a JavaScript framework originally developed by Sam Stephenson.

Animate is a CSS library focusing on animations.

Nginx (pronounced as "engine X") is a lightweight open source web server developed by Igor Sysoev.

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

Debian is a Linux distribution.

Empresa de Telecomunicaciones de Cuba (ETECSA) is a telecommunications service provider in Cuba.

Empresa de Telecomunicaciones de Cuba (ETECSA) is a telecommunications service provider in Cuba.

Let’s Encrypt is a free, automated, and open certificate authority provided by the Internet Security Research Group.

unpkg is a JavaScript content delivery network for libraries that use the npm package manager.

Yandex.Metrica is a free web analytics system combining customizable reporting tools with behavioral analytics.

Matomo (formerly Piwik) is an open source web analytics program.

Google Analytics is a free service to get detailed statistics about the visitors of a website, provided by Google. This includes the Ads conversion tracking and the Floodlight services.

The Google Advertising network consists of AdSense, DoubleClick and other services.

The Google Tag Manager is a Google service to support webmasters to manage tags on their websites.

The WhatsApp share button allows users to share content with their WhatsApp contacts.

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

Embedded Cascading Style Sheets define a set of style rules in a <style> element within a web page.

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

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

Non-HttpOnly cookies are used in the HTTP protocol and also in client side scripts, which may be a security threat.

Non-secure cookies may be used via an unencrypted connections, which may be a security threat.

Gzip (GNU zip) is a file compression algorithm.

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.

HTTP/2 is the second major version of the HTTP network protocol.

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

The websites redirects visitors to its www subdomain, e.g. from example.com to www.example.com.

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

Generic RDFa (Resource Description Framework in attributes) is RDFa without further specialization.

HTML5 is the fifth revision of the HTML standard.

Transitional version of XHTML.

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

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.

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

GIF (Graphics Interchange Format) is a lossless compression image format, originally introduced by CompuServe and suitable to store graphics, logos and simple animations.

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

Cuba