Lead generation, or lead gen is a marketing tool used, particularly in internet marketing, to generate consumer interest or inquiry into products or services of a business. wikipedia.org

Web development is a broad term for the work involved in developing a web site for the Internet (World Wide Web) or an intranet (a private network).

Unbounce is a landing page builder for marketers. It is used to build and a/b test targeted landing pages for paid search, banner advertising, email marketing or social media campaigns.

Web design is the process of planning and creating a website. Text, images, digital media and interactive elements are used by web designers to produce the page seen on the web browser. wikipedia.org

HTML5 is a language for structuring and presenting content for the World Wide Web, and is a core technology of the Internet originally proposed by Opera Software. It is the fifth revision of the HTML standard. wikipedia.org

Graphic design is a creative process - most often involving a client and a designer and usually completed in conjunction with producers of form (i.e., printers, signmakers, etc.) _ undertaken in order to convey a specific message (or messages) to a targeted audience. wikipedia.org

Customizable landing page software

Webflow is a design software to build responsive websites without code wikipedia.org