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Site Info - Achromat.org

Overview of web technologies used by Achromat.org.

Website Background

index
A network for individuals and families affected by the vision disorder achromatopsia (sometimes called achromatopia), including rod monochromacy and blue cone monochromacy.

Description on Homepage

not ranked

Popularity rank

SiteSpinner is a Windows-based website builder by Virtual Mechanics.

SiteSpinner
used on inner pages

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.

static files
used on inner pages

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

The LiteSpeed Web Server is a lightweight web server by LiteSpeed Technologies.

LiteSpeed

Unix is a range of operating systems originally developed at Bell Labs. This includes Unix and Unix-like systems, such as Linux.

Unix

Cloudflare provides a content delivery network.

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

Cloudflare provides DNS servers and other web services.

Cloudflare

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

Let’s Encrypt

StatCounter is a free hit counter and real-time web tracker.

StatCounter

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

Zstandard Compression

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

Embedded CSS

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

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

Transitional version of HTML.

HTML Transitional 4.01

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

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

JPEG

Organizations

.org

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