Google+ will be center of activity with every other Google service being integrated to Google+ profile. Now your Google profiles are Google+ profiles and you can easily display reference to your Google+ profile on your blog or website. This can be done using official Google+ profile
View & delete +1 links on Google Profile page
Once you enable Google +1 feature, you can click +1 button next to links (or websites) of your liking on Google Search result pages. As more and more links are liked using +1 button, a list of such liked content is created on Google Profile page. You can view all the +1 button liked