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

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

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

Zenlayer is a cloud services provider headquartered in USA.

Alibaba a Chinese e-commerce and cloud computing company.

UCloud is a Chinese cloud computing provider.

Alibaba a Chinese e-commerce and cloud computing company.

Amazon is a US-based e-commerce and cloud computing provider.

GoDaddy is an IT service provider, among others operating as SSL certificate authority. This includes ValiCert certificates, now operated by GoDaddy.

Google Analytics is a free service to get detailed statistics about the visitors of a website, provided by Google. This includes the Ads conversion tracking and the Floodlight services.

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.

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.

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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