Yes, you can use 3rd party library.Change the OOTB workflow and add your custom workflow process which use library like ffmpeg to inject watermark in video. This can be a CPU intensive operation depends on video length and quality.Make sure to read the license of the library you choose you use.GitHu...

Answers to your question.1, yes, both are independent and each has their own purpose.2. AEM author should take care of this which creating content3. Same as 2nd, Author should be trained on SEO and taken care while creating content.

Can you delete the existing configs under /apps/system or /apps/<project>/config.author and config.publish?and then package those configs from lower environment?

Attach the component ZIP if you can, also avoid using coral 2 and coral 3 together in same dialog

As long as technical challenge is concerned, you can make a call to this url  settings/hostconfiguration/jcr:content in json format and get the node data in response.On other note, if you are planning to do this in publish/prod you may have to double check. If these are secret keys, you may want to ...

Make sure to user current user sessionSession userSession = slingRequest.getResourceResolver().adaptTo(Session.class);final UserManager userManager = slingRequest.getResourceResolver().adaptTo(UserManager.class);final User user = (User) userManager.getAuthorizable(userSession.getUserID());Boolean is...

Take a look at assets performance guidehttps://helpx.adobe.com/experience-manager/6-4/sites/deploying/using/assets-performance-sizing.html https://helpx.adobe.com/in/experience-manager/kb/AnalyzeMemoryProblems.html

I don't have the details of your requirement but on a high level, you will have to create an endpoint in your aem (using servlet). These endpoint will be responsible for sending response with updated content. From front-end you will be requesting these endpoint and consume the response.Some helpx ar...

Yes, you can achieve it. But in this case your this particular request has to pass from dispatcher without caching. gauravb10066713​ has already mentioned few recommended approach which is used to tackle this like SDI, Ajax

Should have first step as process.Can you share the screenshot of workflow model?