It is sometime quite annoying if you really want to open up a website or your own blog to find it hang or somehow or rather very slow to load.
Sound familiar right...People will just move on to another website, leaving you website/blog behind. So...loading time is very important to attract traffic and advertiser.
Try this out...Website Speed Test....the online tool which can check you loading time. If your website/blog takes time to load, consider checking it.
Consider putting the image and videos and the bottom of the page. This tool so called Website Speed tool is created by Iwebtool.
I've tried it. Here is the link for you to try it on your own. Website Speed Test