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.
PHP: Hypertext Preprocessor is a server-side scripting language designed for Web development, but also used as a general-purpose programming language. PHP code may be embedded into HTML code, or it can be used in combination with various web template systems, web content management systems, and web frameworks.
Hotjar is a complete website and mobile analytics tool enabling web developers, UI designers, analysts, digital marketers & more, to optimize the usability and conversion rate of their websites.
Mixpanel is a website & mobile analytics tool which aims to help businesses understand visitor behavior by tracking application engagement & interaction in real-time.
OptinMonster is a cloud-based marketing automation & lead generation tool which offers A/B testing, campaign scheduling, Exit Intent technology, and more.