Why Google Chrome Flags Sites As Non-secure If They Don’t Have a SSL Certificate. As the title clearly suggests you, we are going to talk about SSL certificates and Google, because it has been flagging sites as non-secure if they lack it. However, we will go further than that, because we are going to talk about the interesting relationship between Google and SSL certificates, because you can use it for your own advantages. Worry not, because at SEO Heroes, we are going to cover it all. Without anything more to add by now, let’s start!