Try to key in admin credentials again and check if that fixes the issue?Most likely the problem is this - 13.03.2019 08:37:45.257 *INFO* [125.16.230.15 [1552466265254] POST /bin/replicate.json HTTP/1.1] com.day.cq.wcm.core.impl.VersionManagerImpl Refuse to create new version for unmodified page /con...

Do you replicate manually or programmatically? For manual replication via agents; the url should be '/bin/receive?sling:authRequestLogin=1'  For programmatic replication, you could use ReplicatOptions/AgentFilter and get hold of pre-configured replication agents and utilize them per your use case. H...

Using external css in HTML emails is not considered safe and majority of email clients would block that. Best option is to use inline styles, which works w/o any issues.Check if The Page Exporter works for your use case - it would export HTML including associated libraries.

I've verified that this link How to hide workflow models in the start workflow list?  still works for 6.41) Open workflow properties in Touch UI2) Add the tag 'workflow:system' and remove other tags, if any.3) Save the changes and close the properties dialog4) Click on Sync button to propagate the c...

The request may not go to publish server each time, you could configure it with TTL and cache for a very specific time duration on apache. You could use SDI/SSI for various use cases.Refer to a working example in the video - Adobe Experience Manager Help | Set up Sling Dynamic Include in AEM Apache ...

Did you add "allowProxy" as true on the clientlibs?allowProxyBooleantrueexposes CSS/JS via /etc.clientlibscheck  - allowProxy feature in Clientlibs in AEM 6.3 - YouTube Getting Started with AEM Sites Chapter 3 - Client-Side Libraries and Responsive Grid

Check if you can access the same url on publish directly w/o any error?Could you share your dispatcher.any filter section?

Per my knowledge, the short answer is No.Akamai uses ARL (Akamai Resource Locator) for creating cache keys which may be based on:Typecode*Forward [fwd] path (origin server, pathname, filename and extension)Query string (Optional)**Secure Network Delivery Indicator***HTTP Method (GET, HEAD, etc.)Dyna...

If I'm able to understand the issue correctly, you just need to mention the AEM server name with host or machine name/IP address rather than localhost. Test it remotely before configuring it.Adobe Experience Manager Help | Device Registration

Per my knowledge, you should use API (free/paid) to get updated info or use open source json/xml data for this use case. There is open source data available on web, just host it anywhere and utilize it per your use case.