SEO SMM is the best way to promote a website

Blogging is the best way

Write content that screams “Share me” or “Link to me.”
Grab competitor’s best backlinks
Become a guest blogger
Build quality backlinks
Assure that your best backlinks will never be removed
Write about trending and controversial topics
Write case studies and share stories
Analyze existing traffic and enhance what works best
Make your headlines attractive

Solidify your website SEO.
Take advantage of email marketing.
Start a blog.
Try guest blogging.
Harness the power of social media.

There are many ways available where you can promote your website very well. Digital Marketing is a big platform where you will be able to promote your website very well and I can suggest you a few platforms in Digital Marketing like SEO, SMO, Content optimization, Video Marketing, and E-mail Marketing. These are the best platforms for this where you can promote your website very well.