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Site Info - Cem.es

Overview of web technologies used by Cem.es.

Website Background

Centro Español de Metrología | Innovando en metrología por un mundo más exacto

Description on Homepage

Top 10m among all websites

Popularity rank

Website Quality Alerts

Found on page http://cem.es/
At our the last visit we found the server time to be approximately 1 day slow.

Incorrect server time

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

Drupal

Varbase is a website builder based on Drupal by Vardot.

Varbase

PHP is a scripting language for creating websites.

PHP 8.1.32
59% of sites use a newer version

Microsoft's Active Server Pages technology on the .NET framework.

ASP.NET 4.0.30319
0% of sites use a newer version
used on a subdomain

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

JavaScript

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

jQuery 3.6.0
63% of sites use a newer version

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

Bootstrap

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

Popper

Modernizr is a JavaScript library that detects HTML5 and CSS3 features in the visitors browser.

Modernizr 2.8.3
17% of sites use a newer version
used on a subdomain

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

Bootstrap
used on a subdomain

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

Nginx 1.14.1
94% of sites use a newer version

The Internet Information Services (IIS) are a set of Internet-based services for Windows, developed by Microsoft.

Microsoft-IIS 10.0
0% of sites use a newer version
used on a subdomain

Windows is an operating system produced by Microsoft.

Windows
used on a subdomain

Cloudflare provides DNS servers and other web services.

Cloudflare

GlobalSign is an IT security service provider, also operating as SSL certificate authority.

GlobalSign

Sectigo (formerly Comodo CA) is a US-based SSL certificate authority.

Sectigo
used until recently

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.

Google Analytics

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

Google Ads

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

Google Tag Manager

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

External CSS

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

Embedded CSS

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

Inline CSS

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

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

Default subdomain www

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

Default protocol https

The Open Graph protocol, originally developed by Facebook, is an RDFa-based format that enables any web page to become a rich object in a social graph.

Open Graph

Twitter/X Cards enable automatic attachment of photos, videos and media elements to tweets.

Twitter/X Cards

HTML5 is the fifth revision of the HTML standard.

HTML5

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

UTF-8

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.

SVG

Spain

.es

Spain

Spanish

 

 

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