Paid Traffic Sources [Most Preferred]:
1. Social Media Ads [Facebook, LinkedIn, YouTube, and Twitter] - Facebook is the dominator.
2. Email Newsletter Ads.
3. Trusted Solo Ads Networks.
4. Sponsored Posts/Content.
5. Cross-Promotional Strategies.
6. Influencer Marketing.
Here's related information that you may find helpful - 17 Different Strategies To Drive And Increase Website Traffic
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