HTML prgramming

Well... "programs " is not the item in your question really, but it would be "what language" or languages you need to learn. BTW you need to learn HTML, CSS and when you re done, take one step ahead with Javascript, Ajax, PHP and another language you feel/need to know (PHP is used in the CMS platforms like Wordpress). In my case to learn more faster these languages i downloaded several templates and open in Notepad++ and I experimented with trial and error some changes to see how it does

PD: Don't forget to know about Bootstrap too!... is needed nowadays!