Facebook SDK

   The Facebook SDK for JavaScript provides a rich set of client-side functionality

PHP 5.2.17

   PHP: Hypertext Preprocessor is a general-purpose programming language originally designed for web development.

Meta Description

   A meta description is a 160-character snippet, a meta tag in HTML, that summarizes a page`s content. this website is having meta description of the following : Libros Marina de Chateaubriand, Y extranjero tu fuiste en la tierra de Egipto, Las Llaves y El arroz y las flores

Meta keywords

   Meta keywords are types of meta tags in the HTML source code of a webpage. They describe the content of a website shortly and concisely,this website is using the following keywords: marina de chateaubriand, y extranjero tu fuiste en la tierra de egipto, las llaves, el arroz y las flores, libro las llaves, libro el arroz y las flores, libro novela,libro ruta de la seda, libro paz en el mundo, libro aventuras, libro filosófico, libro religioso, libro psicológico, libro iniciativo, libro de viaje, libro patagonia, libro argentina, libro sur, libro cantabria, libro santander, libro laredo, libro granada, libro puerta toledo,libro toledo, libro descubrimiento, libro de egipto, libro de extranjero, libro de flores, libro de arroz, libro de llaves

Vary Header check for User-Agent

   When using the Vary: User-Agent header, caching servers should consider the user agent when deciding whether to serve the page from cache

Vary Header Accept-Encoding

   The Accept-Encoding request HTTP header advertises which content encoding, usually a compression algorithm, the client is able to understand. Using content negotiation, the server selects one of the proposals, uses it and informs the client of its choice with the Content-Encoding response header.

SEO Robots : Allow to index and follow website links

   Meta robots tag is a tag that tells search engines what to follow and what not to follow.

XFN 1.1

   XFN is a technical term that is an acronym that stands for “XHTML Friends Network.” This is primarily used by websites that want to create a series of referral links between other websites in order to boost SEO ratings.

Google Analytics

   Google Analytics is a web analytics service offered by Google that tracks and reports website traffic, currently as a platform inside the Google Marketing Platform brand.

Apache

   The Apache HTTP Server, colloquially called Apache, is free and open-source cross-platform web server software, released under the terms of Apache License 2.0. Apache is developed and maintained by an open community of developers under the auspices of the Apache Software Foundation.

Google Translate

   Google`s free service instantly translates words, phrases, and web pages between English and over 100 other languages.

AddThis

   AddThis free website tools include share buttons, targeting tools and content recommendations help you get more likes, shares and followers

Character Encoding :UTF-8

   This website is using UTF-8 character encoding in HTML , character encoding is used to represent a repertoire of characters by some kind of encoding system.

Chunked transfer encoding

   Chunked transfer encoding is a streaming data transfer mechanism available in version 1.1 of the Hypertext Transfer Protocol (HTTP). In chunked transfer encoding, the data stream is divided into a series of non-overlapping "chunks"

Google Adsense

   Google AdSense is a program run by Google through which website publishers in the Google Network of content sites serve text, images, video, or interactive media advertisements that are targeted to the site content and audience

WordPress 3.7.29

   WordPress is a content management system based on PHP and MySQL that is usually used with the MySQL or MariaDB database servers but can also use the SQLite database engine.

English United State - Language

   this website is using English as a language parameter

English - Language

   this website is using English as a language parameter

Viewport - Width

   The viewport is the user`s visible area of a web page. The viewport varies with the device, and will be smaller on a mobile phone than on a computer screen. Before tablets and mobile phones, web pages were designed only for computer screens, and it was common for web pages to have a static design and a fixed size.

Viewport - initial-scale

   The viewport is the user`s visible area of a web page. The viewport varies with the device, and will be smaller on a mobile phone than on a computer screen. Before tablets and mobile phones, web pages were designed only for computer screens, and it was common for web pages to have a static design and a fixed size.