Sitepoint

Sitepoint is also one of the best free web designing courses online with certificates. Sitepoint has been in the online web design course business since 2010 and it is one of the highly reputable companies in the industry.

Their premium package costs $9 per month, or $6 a month charged yearly, and gives you access to everything ranging from the essentials like HTML, CSS, and JavaScript to cutting edge dialects like PHP and Python, in addition to more extensive themes including plan, UX, DevOps and work process.

You can try Sitepoint as well for learning web design online for free.