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.
Mouseflow is an online tool that tracks click, mouse movement, and scroll behavior on a website. Unlike other tools, it lets you make smart decisions based on real-world activity. Mouseflow helps improve usability, increase conversions rate, and boost sales.
Optimizely is a website optimization platform providing A/B and multivariate testing with tools to track engagement, clicks, conversions, sign ups & more.
YouTube is a video sharing service where users can watch, like, share, comment and upload their own videos. The video service can be accessed on PCs, laptops, tablets and via mobile phones.