Mention the main platform or language that is used for website designing?

[humandstrum]

Mention the main platform or language that is used for website designing?

[Ghurqril]

There are many, if you want to learn about the most popular ones, PHP is widely used, although not pure PHP anymore, usually it's used together with a framework like Laravel, CodeIgniter, Yii and such. Also React is widely used in front-end development.