Site Info for epa.gov
The language for epa.gov website is en (claimed), en (detected).
U.S. Environmental Protection Agency | US EPA
epa.gov has epa.gov as domain name.
Character encoding is a type of encoding scheme that assigns a number to each character for digital representation, and it is used to represent a repertoire of characters in textual data computation, storage, and transmission.
UTF-8 is a character encoding of variable widths that is used in electronic communication.
HTTP compression is a feature that can be applied to web servers and clients to maximize transfer speed and bandwidth usage.
The most popular compressions on the web today are Gzip and Brotli.
HTTP Strict Transport Security (HSTS)
HTTP Strict Transport Security is a web security policy that protects websites from man-in-the-middle attacks like protocol downgrades and cookie hijacking.
Content Security Policy (CSP)
The Content Security Policy (CSP) is a computer security standard designed to avoid cross-site scripting (XSS), clickjacking, and other code injection attacks caused by malicious content being executed in the context of a trusted web page.
The Referrer Policy specifies how much referrer information should be included with web requests.
Content Type Options
The X-Content-Type-Options HTTP response header is a server-side marker that indicates that the MIME types advertised in the Content-Type headers should not be modified and should be followed.
The X-Frame-Options HTTP response header can be used to to avoid click-jacking attacks by preventing the content to be included in other websites.
Cross-Site Scripting Protection
When reflected cross-site scripting (XSS) attacks are detected, the HTTP X-XSS-Protection response header in Chrome, Internet Explorer, Safari and old browsers prevents web pages from loading.
Google Tag Manager is a tag management system (TMS) that allows you to quickly and easily update measurement codes and related code fragments collectively known as tags on your website or mobile app.
Choices.js is a lightweight, configurable select box/text input plugin.
New Relic is a SaaS offering that focuses on performance and availability monitoring.
Google Analytics is a free web analytics service that tracks and reports website traffic.
Learn more about Crazy Egg technology.
PHP is a general-purpose scripting language used for web development.
Drupal is a free and open-source web content management framework.
Nginx is a web server that can also be used as a reverse proxy, load balancer, mail proxy and HTTP cache.
Responsive Web Design
Responsive Web Design (RWD) is a web design approach that ensures web pages look good on a variety of devices and window or screen sizes.