The downside is search engine e.g. cannot be posted to Google

[wasik405]

It can be indexed on Google. I think you misunderstood the security system. Crawlers that support JavaScript and cookies can still access your site, and Google’s crawler supports them, so it can index your site. Please follow this article to correctly add your site to Google Search Console:

How to verify your website in Google Search Console

Google Search Console is a useful tool to help you learn about how your website is being crawled by Google and change settings as to how Google indexes your website. To view this information, you need to sign up to Google Search Console and add your website to it. Whether to use a URL-prefix property or Domain property Google Search Console has two ways to add a website: you can use a URL-prefix property or Domain property. The domain property is most powerful. However, in order to verify you…