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

Tengine is an open source web server based on Nginx and originated by Taobao.

China Telecom (China Telecommunications Corporation) is a Chinese state-owned telecommunication company.

China Telecom (China Telecommunications Corporation) is a Chinese state-owned telecommunication company.

HiChina is a Chinese internet services provider owned by Alibaba.

Certum (formerly Unizeto) is a Polish SSL certificate authority owned by Asseco.

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.

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

QUIC (Quick UDP Internet Connections) is an experimental network protocol, originally designed by Google and submitted to IETF standardization.

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

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

HTML5 is the fifth revision of the HTML standard.

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

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