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Weblium is a hosted website builder.

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

React is an open source JavaScript library for building user interfaces, developed by Facebook.

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

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

Weblium is a hosted website builder.

Google provides various services to run on its servers.

Nazwa.pl is a Polish web hosting provider owned by NetArt Group.

Google provides various services to run on its servers.

Nazwa.pl is a Polish web hosting provider owned by NetArt Group.

Nazwa.pl is a Polish internet services provider owned by NetArt Group.

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

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.

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

Microsoft Clarity is a website visitor tracking 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.

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.

Gzip (GNU zip) is a file compression algorithm.

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

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

Brotli is a lossless compression algorithm developed by Google.

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

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

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.

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

HTML5 is the fifth revision of the HTML standard.

Transitional version of HTML.

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

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

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