home.cern

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Document Standards

Private Cache-Control Header

Private Cache-Control Header

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   The Cache-Control general-header field is used to specify directives for caching mechanisms in both requests and responses. Caching directives are unidirectional, meaning that a given directive in a request is not implying that the same directive is to be given in the response.


Meta keywords

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: physics, CERN, Large Hadron Collider, LHC, high-energy physics, particles, science

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Vary Header Accept-Encoding

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.

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Vary Header check for cookies

Vary Header check for cookies

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   The Vary HTTP response header determines how to match future request headers to decide whether a cached response can be used rather than requesting a fresh one from the origin server. It is used by the server to indicate which headers it used when selecting a representation of a resource in a content negotiation algorithm.


Meta Description

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 : CERN, the European Organization for Nuclear Research, is one of the world’s largest and most respected centres for scientific research. Its business is fundamental physics, finding out what the Universe is made of and how it works.


Public Cache-Control

Public Cache-Control

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   Indicates that the response may be cached by any cache, even if the response would normally be non-cacheable (e.g. if the response does not contain a max-age directive or the Expires header).

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Cache-Control Header Max-Age

Cache-Control Header Max-Age

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   Specifies the maximum amount of time a resource will be considered fresh. Contrary to Expires, this directive is relative to the time of the request. this website is having max-age=60 secs.




Copyright

Copyright  : 2023

Copyright : 2023

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   This website has copyright signature in the year : 2023




JavaScript Libraries and Functions

mathjax  2.7.0

mathjax 2.7.0

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   MathJax is an open source JavaScript display engine for mathematics that works in all browsers.

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Content Delivery Network

Cdnjs

Cdnjs

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   cdnjs is a CDN host for opensource libraries

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Language

English - Language

English - Language

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   this website is using English as a language parameter




Operating Systems and Servers

Nginx

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.

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Document Encoding

Character Encoding :UTF-8

Character Encoding :UTF-8

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   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.


Gzip Content-Encoding

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.


Chunked transfer encoding

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"




Mobile

Viewport  - Width

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.

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Viewport  - Mobile compatible

Viewport - Mobile compatible

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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.

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Viewport  - initial-scale

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.

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Document Standards

Private Cache-Control Header

Private Cache-Control Header

2019-05-25 / 2023-05-07

|

Meta keywords

Meta keywords

2019-05-25 / 2023-05-07

|

Vary Header Accept-Encoding

Vary Header Accept-Encoding

2023-05-07 / 2023-05-07

|

Vary Header check for cookies

Vary Header check for cookies

2023-05-07 / 2023-05-07

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X-Frame-Options Header

X-Frame-Options Header (removed)

2019-05-25 / 2021-07-31

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Meta Description

Meta Description

2019-05-25 / 2023-05-07

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Public Cache-Control

Public Cache-Control

2023-05-07 / 2023-05-07

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Cache-Control Header Max-Age

Cache-Control Header Max-Age

2023-05-07 / 2023-05-07

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Block Content Sniffing

Block Content Sniffing (removed)

2019-05-25 / 2021-07-31

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Public Cache-Control

Public Cache-Control (removed)

2019-05-25 / 2021-07-31

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Cache-Control Header Max-Age

Cache-Control Header Max-Age (removed)

2019-05-25 / 2021-07-31

|

Vary Header check for cookies

Vary Header check for cookies (removed)

2019-05-25 / 2021-07-31

|

Internet Explorer Compatibility

Internet Explorer Compatibility (removed)

2019-05-25 / 2021-07-31

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Copyright

Copyright  : 2023

Copyright : 2023

2023-05-07 / 2023-05-07

|



JavaScript Libraries and Functions

mathjax  2.7.0

mathjax 2.7.0

2021-07-31 / 2023-05-07

|



Content Delivery Network

Cdnjs

Cdnjs

2021-07-31 / 2023-05-07

|



Language

English - Language

English - Language

2019-05-25 / 2023-05-07

|



Analytics and Tracking

Google Analytics

Google Analytics (removed)

2019-05-25 / 2021-07-31

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Operating Systems and Servers

Nginx

Nginx

2023-05-07 / 2023-05-07

|

Apache

Apache (removed)

2021-07-31 / 2021-07-31

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OpenSSL  1.0.2k-fips

OpenSSL 1.0.2k-fips (removed)

2019-05-25 / 2019-05-25

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Apache 2.4.34 |Operating System:Red Hat

Apache 2.4.34 |Operating System:Red Hat (removed)

2019-05-25 / 2019-05-25

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Document Encoding

Character Encoding :UTF-8

Character Encoding :UTF-8

2019-05-25 / 2023-05-07

|

Gzip Content-Encoding

Gzip Content-Encoding

2023-05-07 / 2023-05-07

|

Chunked transfer encoding

Chunked transfer encoding

2019-05-25 / 2023-05-07

|



Mobile

Viewport  - Width

Viewport - Width

2019-05-25 / 2023-05-07

|

Viewport  - Mobile compatible

Viewport - Mobile compatible

2019-05-25 / 2023-05-07

|

Viewport  - initial-scale

Viewport - initial-scale

2019-05-25 / 2023-05-07

|



Framworks

PHP 7.1.8

PHP 7.1.8 (removed)

2019-05-25 / 2019-05-25

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Profile Details

Last technolgie detected on 2023-05-07 We know of 18 technologies on home.cern and 29 technologies detected on home.cern since 2019-05-25.




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