Initial log confirms its issue with your SMTP configuration, this happens sometime if your organization uses a proxy server. Try to update the port number with proxy port number. You can check that within your network teams

Are you using front end code or backend ode to achieve this. This happens because either the data processing at front end is very heavy with multiple processing request or your front end code is too heavy. May be try this approach with sever Side rendering instead client side

If you know what property you are looking for in side all the child pages, then make an aem query with that property, which will return all nodes within the root node and you can read those properties in root page sling model  

it might be possible that you are not able to see  /content/websitename/datastore in aem author view as jcr:primaryType is not of cq:Page.   if you have to publish all the datastore node inside  /content/websitename you can publish the websitename folder and if only specific as per some filter crite...

go on design mode of page, this will allow you to add/remove components for any parsys. design mode can be selected from authoring page and changing it from top right corner

may be try this. it won't create a separate div <div data-sly-test="${WCMMode.edit}" data-sly-unwrap><div class="clear"></div><div data-emptytext=" Article :${model.blogTag} " class="cq-placeholder"></div></div>

to export the data as json including js and css you have to write your custom service either using sling model exporter.

It seems omnisearch starts working after I do the manual reinforcing of damAssetLucene indexing.   thanks prakash

Unfortunately the search based on smart tags are not showing in the result even not at the bottom of search. When I did the search with smart tags name in aem xpath query it shows the result but on omnisearch no search results for smart tags are shown

Hi, I had configured the smart tags for aem dam assets and tags are getting generated at jcr:content/metadata/predictedTags but while i do a search for the tags inside Omnisearch it doesn't shows up the result based on smart tags. showing the search result based on dam assets only   Thanks