embed external site

Google Gadget to add iframe within Google Sites

The gadget spec URL could not be found

Add this gadget:
  1. Insert>>More gadgets>>Add gadget by URL
  2. http://hosting.gmodules.com/ig/gadgets/file/108621208120033273647/my_gadgets_gs.xml
Note that iframes inserted in Google Sites may be blank in most web browsers. Read More

Note also that web developers can prevent iframing their content.  Read More and Google Sites cannot be embedded by default but it can be allowed.  Read More