og.url and og:image both seem fine on author mode "view as published", they all points to correct production domain. But on production live site, both og.url and og:image pointed to localhost:4503? Any settings I should be looking at? Thanks in advance.

Previewed and tested the mp4 video looks good on author page, after published the mp4 video to production, the file is 404 not found /content/dam/.../images/video.mp4.But all other images assets inside the same folder are loading fine.Please advice.

Due to security and cross domain concerns, the AEM component has to call third party API using server side request.So, client side "http get" to AEM sever, AEM server make request post to the third part API, once server side request successfully, it would pass the data back to client. Do we have any examples about this either Java or Server side JavaScript would be helpful, thanks.

I want to add some JavaScript functions to a single specific page in AEM 6.5. I don't want to create any custom component or template.Is it anyway I could easily add that JavaScript functions to a single specific page only?

According to the documentation: https://docs.adobe.com/content/help/en/experience-manager-core-components/using/components/accordion.htmlAccordion properties should have "ID" field, in order to create deep linking. But I don't see the "ID" field on my AEM 6.5?

I am new to AEM, I try to create a Experience Fragment using existing components(text, image, embed). The experience fragment I want to create just like the WKND project Contributors, just wondering would that require any testing (unit testing, regression testing, etc) to create/add/update any experience fragments? Thanks.