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Site Info - Unitsofmeasure.org
Overview of web technologies used by Unitsofmeasure.org.
Description on Homepage
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Trac is an open source wiki and issue tracking system for software development projects developed in Python by Edgewall Software.
Python is a general-purpose scripting language.
HTML5 is the fifth revision of the HTML standard.
Strict version of XHTML.
XHTML Strict 1.0
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.
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.
Session cookies are temporary cookies, which are deleted when the user closes the browser.
Persistent cookies with an expiration time between 1 month and 1 year.
HttpOnly cookies are used only in the HTTP protocol and not in client side scripts, which may increase security.
Non-secure cookies may be used via an unencrypted connections, which may be a security threat.
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 websites redirects visitors to use SSL encryption, e.g. from http://example.com/ to https://example.com/.
Let’s Encrypt is a free, automated, and open certificate authority provided by the Internet Security Research Group.
The SSL certificate is invalid because it is not issued for the domain where it is used.
The Apache HTTP Server is a popular open source web server by the Apache Software Foundation.
CentOS is a Linux distribution based on Red Hat Enterprise Linux.
Atlantic.net is a USA-based cloud computing and web hosting provider.
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