Age HTTP Header - Original Server Response

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   The Age header contains the time in seconds the object has been in a proxy cache.

Must Revalidate HTTP Cache-Control

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   Indicates that once a resource has become stale (e.g. max-age has expired), a cache must not use the response to satisfy subsequent requests for this resource without successful validation on the origin server.

NO Store HTTP Cache-Control

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   The cache should not store anything about the client request or server response.

No Cache Content

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   Forces caches to submit the request to the origin server for validation before releasing a cached copy.

Pragma Header - backwards compatibility with HTTP/1.0

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   The Pragma HTTP/1.0 general header is an implementation-specific header that may have various effects along the request-response chain. It is used for backwards compatibility with HTTP/1.0 caches where the Cache-Control HTTP/1.1 header is not yet present.

SEO Robots : Allow to index and follow website links

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

Vary Header check for User-Agent

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   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

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   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.

Meta keywords

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   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: plantillas web, css desing, ice blue, red, diseños web, pagina web gratis, PWG. trucos web, javascript, html, favicon, recursos web, menus horizontales, menus desplegables, recursos flash, colores web, paginaswebgratis.es, diseños web gratis, trucos web, tutoriales html, generadores web, diseños butterfly, design web,

Meta Description

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   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 : CssPlantillas sin dudas una de las mejores web del mundo de PWG. Entra y encontraras todo lo que necesitas para construir tu web-site, desde un simple reloj, hasta el diseño entero de tu web, todo absolutamente gratis y sin registros!

Google Fonts API

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   Making the web more beautiful, fast, and open through great typography.this website is using Open+Sans font family

AddThis

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

Google Adsense

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   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

Varnish

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   Varnish is an HTTP accelerator designed for content-heavy dynamic web sites as well as APIs. In contrast to other web accelerators, such as Squid, which began life as a client-side cache, or Apache and nginx, which are primarily origin servers, Varnish was designed as an HTTP accelerator.

PHP

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

Nginx

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   Nginx is a web server which can also be used as a reverse proxy, load balancer, mail proxy and HTTP cache. The software was created by Igor Sysoev and first publicly released in 2004. A company of the same name was founded in 2011 to provide support and Nginx plus paid software.

Cdnjs

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   cdnjs is a CDN host for opensource libraries

Google Hosted Libraries

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   The Google Hosted Libraries is a stable, reliable, high-speed, globally available content distribution network for the most popular, open-source JavaScript libraries.

cookieconsent2 1.0.9

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   Silktide`s cookie consent tool.

jquery 3.3.1

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   JavaScript library for DOM operations

Twitter API

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   You can access Twitter via the web or your mobile device. To share information on Twitter as widely as possible

Server partial requests support

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   The Accept-Ranges response HTTP header is a marker used by the server to advertise its support of partial requests. The value of this field indicates the unit that can be used to define a range.

Gzip Content-Encoding

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   The Content-Encoding entity header is used to compress the media-type. When present, its value indicates which encodings were applied to the entity-body. It lets the client know how to decode in order to obtain the media-type referenced by the Content-Type header.

Character Encoding :ISO-8859-15

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   This website is using ISO-8859-15 character encoding in HTML , character encoding is used to represent a repertoire of characters by some kind of encoding system.

Chunked transfer encoding

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   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"

Viewport - Width

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   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

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   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.

Spanish - Language

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   this website is using English as a language parameter