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

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

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.

Plesk is a commercial web panel running on Windows and Linux.

Linux is a Unix-like open source operating system originally developed by Linus Torvalds.

Ride is a Japanese web hosting and cloud services provider.

NTT PC Communications offers IT services and cloud computing as part of the NTT Group.

IDC Frontier is a Japanese cloud service provider. This includes its brand First Server.

NTT PC Communications offers IT services and cloud computing as part of the NTT Group.

Ride is a Japanese web hosting and cloud services provider.

Ride is a Japanese web hosting and cloud services provider.

GlobalSign is an IT security service provider, also operating as SSL certificate authority.

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

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

Brotli is a lossless compression algorithm developed by Google.

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

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

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.

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.

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

GIF (Graphics Interchange Format) is a lossless compression image format, originally introduced by CompuServe and suitable to store graphics, logos and simple animations.

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