Adding Google+ comments to a site allows your viewers to share your content on Google+. This is a similar service as Facebook comments with some minor differences.

One of the big differences is that all comments from Google+ will appear in your commenting system. This means that conversations that are happening in different places like your personal Google+ page, community pages, others pages who have shared your content, all will be visible together in the same place under your posts.

Using Google+ comments also allows your readers to not only comment but share your content.

To add comments to your site, add the following Javascript code to your pages:

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<script src="https://apis.google.com/js/plusone.js"></script>
<div id="comments"></div>
<script>
gapi.comments.render('comments', {
    href: window.location,
    width: '624',
    first_party_property: 'BLOGGER',
    view_type: 'FILTERED_POSTMOD'
});
</script>

To display comment count, you can use the following code. By replacing the {URL} with your posts url, you will display comment count of the page.

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<div class="g-commentcount"data-href="{URL}"></div>