SQLZOO.NET

CrUX Dataset

CrUX is a data collection system that gathers information about how real users interact with websites. This website is included in the user experiences data gathered from Google Chrome and thus considered sufficiently popular on the Internet.

Cloudflare Radar

The website appears on the Cloudflare Radar Top 1m sites list

COVID-19

This website mentions COVID-19 / Novel Coronavirus.

IPhone / Mobile Compatible

The website contains code that allows the page to support IPhone / Mobile Content.

Viewport Meta

This page uses the viewport meta tag which means the content may be optimized for mobile content.

MediaWiki

MediaWiki is a free software wiki package originally written for Wikipedia. It is now used by several other projects of the non-profit Wikimedia Foundation and by many other wikis, including the website.

Intersection Observer

API that can be used to understand the visibility and position of DOM elements relative to a containing element or to the top-level viewport.

SSL by Default

The website redirects traffic to an HTTPS/SSL version by default.

LetsEncrypt

Let’s Encrypt is a free open Certificate Authority.

British Server Location

The web server is located in the United Kingdom.

GoDaddy DNS

DNS services provided by GoDaddy.

DNSSEC

DNSSEC strengthens DNS authentication by using digital signatures based on public key cryptography.

nginx

nginx [engine x] is a HTTP server and mail proxy server written by Igor Sysoev.

Atom

Atom Syndication Format is an XML language used for web feeds very similar to RSS.

Really Simple Discovery

Really Simple Discovery is a way to help client software find the services needed to read, edit, or "work with" weblogging software.