Site Info - Greythr.com

Gatsby is an open source static website generator based on React and GraphQL.

Discourse is an open source discussion platform written in Ruby on Rails.

Better Uptime Status Page is a hosted service for showing the status of services, provided by Better Stack.

Static websites don't use any server-side programming language for generating web pages, but deliver fixed content which is created manually or with an offline tool.

Python is a general-purpose scripting language.

Ruby is a general-purpose object-oriented language originally developed by Yukihiro "Matz" Matsumoto in Japan.

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

Bootstrap is an open source HTML, CSS, and JavaScript framework.

Moment.js is a library to manipulate dates in JavaScript.

UploadServer is a Python module for implementing web servers.

Nginx (pronounced as "engine X") is a lightweight open source web server developed by Igor Sysoev.

Caddy is an open-source web server implemented in Go.

Amazon is a US-based e-commerce and cloud computing provider.

Google provides various services to run on its servers.

Better Stack offers hosted services for monitoring the status of services.

Discourse offers managed hosting of its open source discussion platform.

Amazon is a US-based e-commerce and cloud computing provider.

Google provides various services to run on its servers.

Hetzner is a German web hosting provider.

Discourse offers managed hosting of its open source discussion platform.

Fastly is a content delivery network.

Amazon is a US-based e-commerce and cloud computing provider.

Gmail is the email service provided by Google.

Microsoft is a multinational technology company headquartered in USA, also offering email services.

Discourse offers managed hosting of its open source discussion platform.

Sectigo (formerly Comodo CA) is a US-based SSL certificate authority.

Let’s Encrypt is a free, automated, and open certificate authority provided by the Internet Security Research Group.

The CDNJS is a content distribution network, hosting a large number of JavaScript libraries, provided by CloudFlare.

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.

Meta Pixel (formerly Facebook Pixel) is an analytics tool to track actions on websites.

Microsoft Clarity is a website visitor tracking tool.

Hotjar is a website analytics and feedback application.

The LinkedIn Insight Tag helps to optimize LinkedIn campaigns.

Visual Website Optimizer (VWO) is a website visitor behavior analysis tool.

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

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

The WhatsApp share button allows users to share content with their WhatsApp contacts.

Zstandard is a lossless data compression algorithm developed by Yann Collet at Facebook.

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

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

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

Brotli is a lossless compression algorithm developed by Google.

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.

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

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

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

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

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

A strong ETag is an HTTP header field for validation of cached web pages, that indicates a byte-for-byte identical page in the cache.

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.

Twitter/X Cards enable automatic attachment of photos, videos and media elements to tweets.

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

Generic RDFa (Resource Description Framework in attributes) is RDFa without further specialization.

Microdata is a specification to integrate metadata within existing content on web pages.

HTML5 is the fifth revision of the HTML standard.

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

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.

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

WebP is an image format that provides lossless and lossy compression, developed by Google.

GIF (Graphics Interchange Format) is a lossless compression image format, originally introduced by CompuServe and suitable to store graphics, logos and simple animations.

JPEG (Joint Photographic Experts Group) is a lossy compression method suitable to store photographic images.

Commercial entities