Why are my test results are bad?

The first time I tried webpagetest. But my results came out pretty bad. Why?

Site: www.hostingfiyatlari.net
Test results : http://www.webpagetest.org/result/140906_2E_FH2/

thanks sir

Mostly a ton of server configuration problems to start with.

Keep-alives and gzip aren’t configured on your web server. If you are using a hosting company then you should reach out to them and have them fix it.

Your images also have no expires time set: http://www.webpagetest.org/result/140906_2E_FH2/1/performance_optimization/#cache_static_content (that is your issue to configure, likely with .htaccess).

I highly recommend reading this: http://www.amazon.com/dp/0596529309?tag=stevsoud-20&camp=14573&creative=327641&linkCode=as1&creativeASIN=0596529309&adid=00GNM1ZWW77KSD0RERXN& which should explain most of the basics, just about all of which are having issues on your site.