SEO is the well known technique adopted by all companies. It becomes essential for online growth of the business.
The scenario has been changed over the past few years, but SEO remains same effectiveness. There are many more effective tool has develop or introduced as time changed, some years before we have limited tools and technique to analyze.
Top position on search engine result page more chance to clicks, make more traffic. So ranking on top position gives more conversion chance. Relevant keyword, relevant Meta tags and relevant landing page make website more useful. Paid ads increase traffic at increasing rate on the website, but organic ranking make website more effective and long time ranking on SERP. Audience selection in Adword SEO is easy and only target audience is to be visit on your ads. Link building is the technique of the same it make your website well know.