You already made a good website. Just remove signing up for Free courses.

Idea

A directory of free courses

Possible Target Market

• People want to learn new skills

Keyword

• “Free XXX Courses”
• Where XXX is a specific skill or tool, for example, Javascript, Logo Design, Figma etc
• Build keywords combination as much as possible, let's say 1000 keywords
• Example:
  • Free Javascript Courses
  • Free NextJS Courses
  • Free Excel Courses
  • Free Mobile UI Courses

Landing Page

• Collect 10 best video courses from Youtube for each keyword
• Make a grid layout for all videos

Detail Page

• The detail page is for an individual video, make the title: Free XXX Course by [Author Name]
• Display similar video courses