centerfortheenvironment.org

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Document Standards

Age HTTP Header - Original Server Response

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.


HSTS - Browser HTTPS Only for domain and subdomains

HSTS - Browser HTTPS Only for domain and subdomains

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   The HTTP Strict-Transport-Security response header (often abbreviated as HSTS) lets a web site tell browsers that it should only be accessed using HTTPS, instead of using HTTP for domain and subdomainsfor 31536000 seconds


Pragma Header - backwards compatibility with HTTP/1.0

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.


HSTS - Browser HTTPS Only

HSTS - Browser HTTPS Only

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   The HTTP Strict-Transport-Security response header (often abbreviated as HSTS) lets a web site tell browsers that it should only be accessed using HTTPS, instead of using HTTP for 300 seconds


Post Cache-Control Header

Post Cache-Control Header

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   this website is using post-heck Cache-Control Header.


Precheck Cache-Control Header

Precheck Cache-Control Header

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   this website is using precheck Cache-Control Header.


Must Revalidate HTTP Cache-Control

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.

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NO Store HTTP Cache-Control

NO Store HTTP Cache-Control

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

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No Cache Content

No Cache Content

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


Vary Header check for User-Agent

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

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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Block Content Sniffing

Block Content Sniffing

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   The X-Content-Type-Options response HTTP header is a marker used by the server to indicate that the MIME types advertised in the Content-Type headers should not be changed and be followed. This allows to opt-out of MIME type sniffing, or, in other words, it is a way to say that the webmasters knew what they were doing.


XFN 1.1

XFN 1.1

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   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.

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Framworks

PHP 5.3.0

PHP 5.3.0

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

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PHP

PHP

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

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Analytics and Tracking

Google Analytics

Google Analytics

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   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.

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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.




Web Servers

Server partial requests support

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.




Operating Systems and Servers

Apache 2.2.3 |Operating System:Red Hat

Apache 2.2.3 |Operating System:Red Hat

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   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.




Language

English United State - Language

English United State - Language

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   this website is using English as a language parameter


English - Language

English - Language

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   this website is using English as a language parameter




Document Standards

Age HTTP Header - Original Server Response

Age HTTP Header - Original Server Response

2021-08-08 / 2021-08-08

|

HSTS - Browser HTTPS Only for domain and subdomains

HSTS - Browser HTTPS Only for domain and subdomains

2021-08-08 / 2021-08-08

|

Pragma Header - backwards compatibility with HTTP/1.0

Pragma Header - backwards compatibility with HTTP/1.0 (removed)

2019-05-25 / 2019-05-25

|

HSTS - Browser HTTPS Only

HSTS - Browser HTTPS Only

2021-08-08 / 2021-08-08

|

Post Cache-Control Header

Post Cache-Control Header (removed)

2019-05-25 / 2019-05-25

|

Precheck Cache-Control Header

Precheck Cache-Control Header (removed)

2019-05-25 / 2019-05-25

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Must Revalidate HTTP Cache-Control

Must Revalidate HTTP Cache-Control (removed)

2019-05-25 / 2019-05-25

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NO Store HTTP Cache-Control

NO Store HTTP Cache-Control (removed)

2019-05-25 / 2019-05-25

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No Cache Content

No Cache Content (removed)

2019-05-25 / 2019-05-25

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Vary Header check for User-Agent

Vary Header check for User-Agent

2021-08-08 / 2021-08-08

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Vary Header Accept-Encoding

Vary Header Accept-Encoding

2021-08-08 / 2021-08-08

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Block Content Sniffing

Block Content Sniffing

2021-08-08 / 2021-08-08

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XFN 1.1

XFN 1.1

2021-08-08 / 2021-08-08

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Framworks

PHP 5.3.0

PHP 5.3.0 (removed)

2019-05-25 / 2019-05-25

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PHP

PHP (removed)

2019-05-25 / 2019-05-25

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Analytics and Tracking

Google Analytics

Google Analytics

2021-08-08 / 2021-08-08

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Document Encoding

Character Encoding :UTF-8

Character Encoding :UTF-8

2019-05-25 / 2021-08-08

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Gzip Content-Encoding

Gzip Content-Encoding

2021-08-08 / 2021-08-08

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Web Servers

Server partial requests support

Server partial requests support

2021-08-08 / 2021-08-08

|



Operating Systems and Servers

Apache 2.2.3 |Operating System:Red Hat

Apache 2.2.3 |Operating System:Red Hat (removed)

2019-05-25 / 2019-05-25

|



Language

English United State - Language

English United State - Language

2021-08-08 / 2021-08-08

|

English - Language

English - Language

2021-08-08 / 2021-08-08

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Profile Details

Last technolgie detected on 2021-08-08 We know of 22 technologies on centerfortheenvironment.org and 22 technologies detected on centerfortheenvironment.org since 2019-05-25.




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