epa.gov

Find out what technologies epa.gov is using
Email Hosting Providers

SPF

SPF

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   The Sender Policy Framework (SPF) is an email-authentication technique which is used to prevent spammers from sending messages on behalf of your domain. With SPF an organisation can publish authorized mail servers.

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Microsoft Office 365

Microsoft Office 365

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   Microsoft Office 365 is a Software as a Service (SaaS) solution that includes Microsoft Office and other services, such as email and collaboration, from Microsoft’s cloud server. Microsoft Office 365 provides desktop functionalities and is available by subscription.

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Language

English - Language

English - Language

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   this website is using English as a language parameter




Document Standards

X-Frame-Options Header

X-Frame-Options Header

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   The X-Frame-Options HTTP response header can be used to indicate whether or not a browser should be allowed to render a page in a <frame>, <iframe>, <embed> or <object>. Sites can use this to avoid clickjacking attacks, by ensuring that their content is not embedded into other sites.


HSTS - Browser HTTPS Only for domain and subdomains

HSTS - Browser HTTPS Only for domain and subdomains

Download List of All Websites using HSTS - Browser HTTPS Only for domain and subdomains

   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


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.


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=300 secs.


Vary Header check for cookies

Vary Header check for cookies

Download List of All Websites using Vary Header check for cookies

   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.


Internet Explorer Compatibility

Internet Explorer Compatibility

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   this website is supporting The highest supported document mode of the browser for Internet Explorer




Widgets

Google Tag Manager

Google Tag Manager

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   Google Tag Manager is a tag management system created by Google to manage JavaScript and HTML tags used for tracking and analytics on websites (variants of e-marketing tags, sometimes referred to as tracking pixels or web beacons.

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Twitter Cards

Twitter Cards

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   With Twitter Cards, you can attach rich photos, videos and media experiences to Tweets, helping to drive traffic to your website.




Document Encoding

Character Encoding :UTF-8

Character Encoding :UTF-8

Download List of All Websites using 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

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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

Download List of All Websites using 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.

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Viewport  - Mobile compatible

Viewport - Mobile compatible

Download List of All Websites using Viewport - Mobile compatible

   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

Download List of All Websites using 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.

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Document Standards

Public Cache-Control

Public Cache-Control (removed)

2021-07-31 / 2021-07-31

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Cache-Control Header Max-Age

Cache-Control Header Max-Age (removed)

2021-07-31 / 2021-07-31

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Cache-Control Header Max-Age

Cache-Control Header Max-Age (removed)

2021-07-31 / 2021-07-31

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HSTS - Browser HTTPS Only for domain and subdomains

HSTS - Browser HTTPS Only for domain and subdomains (removed)

2021-07-31 / 2021-12-06

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X-Frame-Options Header

X-Frame-Options Header

2021-07-31 / 2023-05-07

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HSTS - Browser HTTPS Only for domain and subdomains

HSTS - Browser HTTPS Only for domain and subdomains

2023-05-07 / 2023-05-07

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Vary Header Accept-Encoding

Vary Header Accept-Encoding (removed)

2021-07-31 / 2021-12-06

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Block Content Sniffing

Block Content Sniffing

2021-07-31 / 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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Vary Header check for cookies

Vary Header check for cookies

2023-05-07 / 2023-05-07

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Internet Explorer Compatibility

Internet Explorer Compatibility

2023-05-07 / 2023-05-07

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Email Hosting Providers

SPF

SPF

2021-07-31 / 2023-05-07

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Microsoft Office 365

Microsoft Office 365

2021-07-31 / 2023-05-07

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Operating Systems and Servers

Nginx 1.21.1

Nginx 1.21.1 (removed)

2021-07-31 / 2021-07-31

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Language

English - Language

English - Language

2021-07-31 / 2023-05-07

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Widgets

Google Tag Manager

Google Tag Manager

2023-05-07 / 2023-05-07

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Twitter Cards

Twitter Cards

2021-12-06 / 2023-05-07

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Document Encoding

Character Encoding :UTF-8

Character Encoding :UTF-8

2021-07-31 / 2023-05-07

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Gzip Content-Encoding

Gzip Content-Encoding (removed)

2021-07-31 / 2021-12-06

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Chunked transfer encoding

Chunked transfer encoding

2023-05-07 / 2023-05-07

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Framworks

PHP 7.3.28

PHP 7.3.28 (removed)

2021-07-31 / 2021-07-31

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Mobile

Viewport  - Width

Viewport - Width

2021-07-31 / 2023-05-07

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Viewport  - Mobile compatible

Viewport - Mobile compatible

2021-07-31 / 2023-05-07

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Viewport  - initial-scale

Viewport - initial-scale

2021-07-31 / 2023-05-07

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Profile Details

Last technolgie detected on 2023-05-07 We know of 17 technologies on epa.gov and 25 technologies detected on epa.gov since 2021-07-31.




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