Site Info - Libpng.org

Overview of web technologies used by Libpng.org.

Website Background

libpng.org: top level

Description on Homepage

Top 100k among all websites

Popularity rank

Website Quality Alerts

Found on page http://libpng.org/pub/mng/mngpics.html
The character encoding name specified in the HTML content-type meta tag is "X-SJIS". The correct and preferred name is "SHIFT_JIS".

Incorrect or uncommon character encoding name

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Web Server

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

Nginx

Web Hosting Provider

LightEdge is a cloud service and web hosting provider based in USA.

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

Data Center Provider

LightEdge is a cloud service and web hosting provider based in USA.

LightEdge

DNS Server Provider

IONOS (formerly 1&1 IONOS and 1&1 Internet) is a European internet services company owned by United Internet.

IONOS

Email Server Provider

IONOS (formerly 1&1 IONOS and 1&1 Internet) is a European internet services company owned by United Internet.

IONOS

SSL Certificate Authority

The SSL certificate is invalid because it is not issued for the domain where it is used.

Invalid Domain

Site Elements

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
used on inner pages

Gzip (GNU zip) is a file compression algorithm.

Gzip Compression

A weak ETag is an HTTP header field for validation of cached web pages, that indicates a semantically equivalent page in the cache.

Weak ETag

Markup Language

Transitional version of HTML.

HTML Transitional 4.01

Character Encodings

ISO-8859-1 (informally also called Latin-1) is an 8-bit character set for Western European languages.

ISO-8859-1

Shift JIS (also called SJIS) is a character encoding system for the Japanese language.

Shift JIS
used on inner pages

Image File Format

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.

Organizations