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Site Info - Metric-conversions.org

Overview of web technologies used by Metric-conversions.org.

Website Background

Metric Conversion charts and calculators
Metric Conversion calculators, tables and formulas for temperature, length, area, volume and weight metric conversions.

Description on Homepage

Top 100k among all websites

Popularity rank

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

JavaScript

jQuery is a JavaScript library that simplifies HTML document traversing, event handling, animating and Ajax interaction. Originally developed by John Resig.

jQuery 2.2.0
76% of sites use a newer version
used on inner pages

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

Nginx

The Apache HTTP Server is an open source web server by the Apache Software Foundation.

Apache 2.4.6
used until recently

CentOS is a Linux distribution based on Red Hat Enterprise Linux.

CentOS
used until recently

Amazon CloudFront is a content delivery web service by Amazon.

Amazon CloudFront

Ezoic provides a content delivery network as part of their website optimizations and traffic analysis services.

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

Ezoic provides website optimizations and traffic analysis services.

Ezoic

OpenSRS provides email services and other internet services, owned by Tucows.

OpenSRS

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

Let’s Encrypt

Google Hosted Libraries (formerly called Google Libraries API) is a content distribution network for the most popular, open-source JavaScript libraries, provided by Google.

Google Hosted Libraries
used on inner pages

Ezoic provides website optimizations and traffic analysis services.

Ezoic

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

Google Ads
used until recently

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

External 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

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
used on inner pages

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

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 http://example.com/.

Default protocol http

Session cookies are temporary cookies, which are deleted when the user closes the browser.

Session Cookies
used until recently

Persistent cookies with an expiration time of up to 1 day.

Cookies expiring in hours
used until recently

Non-HttpOnly cookies are used in the HTTP protocol and also in client side scripts, which may be a security threat.

Non-HttpOnly Cookies
used until recently

Non-secure cookies may be used via an unencrypted connections, which may be a security threat.

Non-Secure Cookies
used until recently

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.

Strong ETag
used until recently

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

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

JSON-LD
used on inner pages

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

Microdata
used on inner pages

Transitional version of HTML.

HTML Transitional 4.0

HTML5 is the fifth revision of the HTML standard.

HTML5
used on inner pages

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

UTF-8

Organizations

.org

Germany
France
used until recently
Canada
used until recently

English

 

 

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