If you have a wep site or blof with the good contens, it's mean you have good interest to reader
to visit your web site / blog. see this " If you have problem, ask Google?" , yes most visitor do the same
with this notice" . Once time the want something, the need help with most popular search engine like Google.
Now let you imagine if your web site / blog have good ranking with most pupular search engine, so it will be a good traffic for your web site / blog.
and it can told tu us why search engine is also importan to get more traffic to your web site /blog