HTML was invented by Tim Berners-Lee while working at CERN, to make scientific documents more accessible. Being able to add links from one page to another was and still is an important feature. The first version of HTML was created back in 1993.
The current version is HTML5, which is the standard since 2014.
As a technical SEO consultant, it's useful to have a basic understanding of HTML. It helps you analyze a web page and it's structure, and recommend improvements to your clients.Back