123-reg is headquartered in England and is a domain registrar and web hosting company. The company claims to be the UK's largest accredited domain registrar that provides Internet services to small- and medium-sized business. Up until 2017, 123-reg was part of Host Europe Group (HEG), which at the time, was Europe's largest privately owned hosting company.
Amazon Web Services (AWS) is a comprehensive, evolving cloud computing platform provided by Amazon that includes a mixture of infrastructure as a service (IaaS), platform as a service (PaaS) and packaged software as a service (SaaS) offerings.
Hypertext Markup Language (HTML) is the standard markup language for documents designed to be displayed in a web browser. It can be assisted by technologies such as Cascading Style Sheets (CSS) and scripting languages such as JavaScript.
jQuery is a cross-platform JavaScript library designed to simplify the client-side scripting of HTML. It is free, open-source software using the permissive MIT License. Web analysis indicates that it is the most widely deployed JavaScript library by a large margin.