To enable analytics integration you need the Universal Analytics Tracking code on your site footer. The old "legacy" tracking code will not work.

Visit this link to add the google analytics tracking code to your website.

Enable Analytics integration

Simply go to the Analytics Integration plugin submenu to turn on the Analytics integration.

Testing successful integration

After saving the options, make sure to clear your site cache. After refreshing the search page, try typing in something. The search phrase should appear on the Real Time dashboard: