SEO ON PAGE Là Gì OPZIONI

User experience was secondary; simply making sure search engines found keywords and ranked a site as relevant for those terms was at the heart of on-site SEO practices.Seo can be verry difficult. Because it is changing every day. I had a page on page 2, after it went down to page 3. Con about 3 weeks it was on the first page. I really could not bel