1) Failure to build a subscriber list properly or at all 2) Lack of clear purpose on the site - if you confuse your visitors you lose your visitors 3) Weak monetization, most often through poor choices of methodology 4) Poor on-page SEO 5) A lack of credibility. If your site doesn't look legitimate, it won't be treated as such Solusi: 1) Make sure you have a clear and engaging opt-in form on your site 2) Focus on the purpose of the site - make it clear to your visitors 3) Pick the best fit product to promote for your likely visitors - it just needs a little research 4) On-page SEO can take a bit more work, but be sure to use headings, sub-sections and good layout and navigation 5) Invest in a good design, or theme for your site - one that looks professional.