My website is not optimized well in search engines

any help please
my website is not optimized well in search engines
however I submitted it in google/bing (and submitted file called sitemap.xml)
what am I mean by not optimized well ?
to reach the website I must write its whole url (itename.com) indexed in the first result in google - but not found in bing !!
but if I wrote sitename only - it not shown in the results totally :))

my website : seperto.com

from Search Engine Optimization http://ift.tt/1MRLHUs
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