Ssl cert ( Edge Certificates : initializing )

Website, Application, Performance Security
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May I suggest looking at the below article due to this issue:

May I ask have you had an SSL certificate already installed at your host/origin server and was your Website working over HTTPS before moving to Cloudflare?

Furthermore, may I ask what SSL option have you got selected under the SSL/TLS tab of Cloudflare dashboard for your domain? (Flexible, Full, Full Strict ...)

Here is a way to re-check if you correctly setup the SSL for your domain with Cloudflare:

If any other issues appear, follow the needed steps for troubleshooting from article below:

In case you do not have an SSL certificate, you can use Cloudflare SSL, if so, kindly make sure you follow the instructions as follows on the below article to setup an SSL certificate using Cloudflare CA Origin Certificate:

Last but not least, kindly have a look here for more information regarding correct SSL settings:

Otherwise, if you are trying to access some sub-domain like www.sub.yourdomain.com, in this case, below article could help: