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Site Info - Fbi.gov

Overview of web technologies used by Fbi.gov.

Website Background

Welcome to fbi.gov — FBI

Description on Homepage

Top 10k among all websites

Popularity rank

Plone is an open source content management system written in Python on top of the Zope application server.

Plone

Python is a general-purpose scripting language.

Python

JavaScript is a lightweight, object-oriented, cross-platform scripting language, often used within web pages.

JavaScript

Cloudflare Server is a web server developed by Cloudflare.

Cloudflare Server

Zope is an open source application server for building websites, based on Python.

Zope

Cloudflare provides a content delivery network.

Cloudflare
hosting info partly based on data from ipinfo.io, see details

Google provides various services to run on its servers.

Google

GlobalSign is an IT security service provider, also operating as SSL certificate authority.

GlobalSign

Google Analytics is a free service to get detailed statistics about the visitors of a website, provided by Google. This includes the Ads conversion tracking and the Floodlight services.

Google Analytics

The Google Advertising network consists of AdSense, DoubleClick and other services.

Google Ads

The Google Tag Manager is a Google service to support webmasters to manage tags on their websites.

Google Tag Manager

Facebook Social Plugins provide a way for Facebook users to share web pages with their friends.

Facebook
used on inner pages

A Twitter Button allows a Twitter user to post a tweet from the visited site.

Twitter
used on inner pages

External Cascading Style Sheets define style rules in a separate CSS file.

External CSS

Embedded Cascading Style Sheets define a set of style rules in a <style> element within a web page.

Embedded CSS

Inline Cascading Style Sheets define style rules directly within an (X)HTML element using the style attribute.

Inline CSS

Brotli is a lossless compression algorithm developed by Google.

Brotli Compression

The Internet Protocol version 6 (IPv6) provides amongst others a vastly larger address space than the preceding version 4. We consider a website to support IPv6 if a 128-bit address is assigned to it, regardless of the content delivered at that address.

IPv6

HTTP/2 is the second major version of the HTTP network protocol.

HTTP/2

HTTP/3 is the third major version of the HTTP network protocol, derived from the QUIC protocol.

HTTP/3

HTTP Strict Transport Security (HSTS) defines a mechanism enabling web sites to declare themselves accessible only via secure connections.

HTTP Strict Transport Security

The websites redirects visitors to its www subdomain, e.g. from example.com to www.example.com.

Default subdomain www

The websites redirects visitors to use SSL encryption, e.g. from http://example.com/ to https://example.com/.

Default protocol https

The Open Graph protocol, originally developed by Facebook, is an RDFa-based format that enables any web page to become a rich object in a social graph.

Open Graph

Twitter Cards enable automatic attachment of photos, videos and media elements to Tweets.

Twitter Cards

JSON-LD (JavaScript Object Notation for Linked Data) is a method of encoding Linked Data using JSON.

JSON-LD

The Dublin Core Schema is a set of vocabulary terms that can be used to describe web resources and physical resources.

Dublin Core

HTML5 is the fifth revision of the HTML standard.

HTML5

UTF-8 (8-bit Unicode Transformation Format) is a variable-length character encoding for Unicode, which is backwards compatible with ASCII.

UTF-8

PNG (Portable Network Graphics) is a lossless compression image format, suitable to store graphics with uniformly colored areas, and originally introduced as a free, open-source successor of GIF.

PNG

Scalable Vector Graphics (SVG) is an XML-based vector image format.

SVG

United States Government

.gov

English

 

 

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