Here is the tip to open your favorite sites in google chrome browser by default.That is whenever you open Chrome by default automatically it will load the sites you specified.This feature is little bit different than the pinned tabs in Chrome.

How to set Default web sites:

1. Open Google Chrome Properties (right click on Chrome  Icon and select Properties).
2. under the Shortcut tab edit the TARGET text box as instructed below.

Add “–pinned-tab-count=5 website1 website2 website3 website4 website5″ at the end.Leave one space before this string and between website addresses.Here inplace of “website”  add your most visiting or favorite sites url.