Search engines like Google, Bing, and Yahoo! are designed to "crawl" (detect and scan the pages of) any new websites which appear on the web.
If your Syngency website is still being developed, and you don't want it to be visible to Google or other search engines until it is ready to launch, you can add the following "meta tag" to the <head> section of your Master template:
<meta name="robots" content="noindex" />
So it looks something like this:
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>{{ page_name }} | {{ agency.name }}</title>
<meta name="robots" content="noindex" />
This will prevent search engines from crawling your site until you are ready to launch and can then simply remove the tag from the template.