Seo Panel Forum

Hello, I would like to know, how can I effectively promote my forum: https://forumbiznes.pl/
What to do first? Should I make backlinks portfolio or what?

Do affiliated marketing, ask website with high da and high traffic to list your site or give you a backlink

Website promotion can be done using various off page techniques like:

Guest posting
Article submission
Press release submission
Social bookmarks
Classified ads
Infographics submission
Social media optimization

effectively promoting your site you need effective activities for it, do all activities which needed, you have to do On-page activities and Off-page activities, Content, Social media activities.
find high ranking keywords which are business or service related, write effective content for site put keywords in content, create a sitemap for proper indexing.
create strong backlinks for your site
social bookmarking, forum posting, ppt submission, pdf submission, various off-page activities you can do.
use social media networks for the promotion of the site. share post, image and video into social media sites.
another way is PPC you can do paid marketing like Facebook ads, Google AdWords marketing, E-mail marketing, various marketing methods which are guaranteed for promoting.

Social media optimization, Search Engine Marketing.

Guest Posting, Article Submissions , press release submission, social media optimization are the best methods to promote your website effectively.