Tell users they have found what they are looking for.
Always use clear, concise and relevant headline.
Include testimonials, awards, certification.
Have a clear call to action
No flash intros! Don’t be too creative!
Eliminate unnecessary navigation.
SEM is combination of SEO and PPC internet marketing types.
You are not forced to do them both at same time – it all depends on your goals and when we talking about ppc , your bugdet.
Best prictice is to measure seo and ppc to let them «work in team».
SEM : en.wikipedia.org/wiki/Search_engine_marketing SERP: http://en.wikipedia.org/wiki/Search_engine_results_page SEO : http://en.wikipedia.org/wiki/Search_engine_optimization PPC : http://en.wikipedia.org/wiki/Pay_per_click SEO vs PPC: http://www.mikesquarter.com/seo-vs-ppc-the-pros-and-cons-378/ SERP : http://en.wikipedia.org/wiki/Search_engine_results_page Adwords : https://adwords.google.com/support/aw/?hl=en Meta Data : http://searchenginewatch.com/2167931 Bounce Rate : http://en.wikipedia.org/wiki/Bounce_rate