As Melissa mentioned, we don't have a Seblod plugin. While many of the core fields of Joomla content are used, Seblod adds and extends in different ways. For example:
B - So, I thought what is changed and the only thing I found is: the author is changed! The last article instead to be wrote from the "Super User" was wrote from a Multiple Groups user (Registered and Author included). So, I tried changing the author to Super User and re publishing the article and... it RUN !!! Why ?!?
This is not normal Joomla functionality. I don't know how that setting affect the article or how Seblod alters the triggers, plugins and other functionality of normal content that JFBConnect expects to see.
As to your questions:
1 - in first of all I looked for "Open Graph" in my Joomla Extensions plugins and I found two: "Open Graph - Custom Object" and "Open Graph - Content". Both disabled... Is it right ? Have they to be disabled ? When I install a new JFBConnect extension have I to enable them manually ?
All Open Graph plugins are disabled by default. I'd recommend enabling any that you plan to use, like Open Graph Content. The Custom Object lets you manually set Open Graph tags for a specific group of pages. That may be helpful, but can be complex.
2 - you told me: "Once you do add the tags to your page, you will need to re-scrape them manually to make sure the change has taken effect". Please, what do you mean with "re-scrape" ? And, please, how to do it exactly ?
Use the
Facebook Open Graph Debug Tool
and enter your URL into it. Otherwise, you can wait ~1-2 weeks for Facebook to automatically re-scan your pages.
3 - As you explained me and as wrote in the documentation, in case of "Per-Page Overrides" ..."use the following format in an Joomla article, custom HTML module, template file, or anywhere else on the page"..., Where is it better to add tags ? In case to add them directly into the content article, Where is the best position ? (at the begin, at the end...in the intro, in the content)
They can go anywhere in the content that will be displayed on the page. So, if your full article view *does not* display the intro text, don't put the tags in the intro text. Top or bottom doesn't make a difference.
4 - About "Default Site-Wide Open Graph Easy-Tags" in the configuration I haven't set nothing yet. ..."a good example is to set your logo as a default image tag"... and, please, What else is good to set ?
Image is the only one we'd recommend setting a default tag for. Others are best to let JFBConnect automatically detect.
5 - "Configuration - Skip Tags" - Please, Can you give me any examples when it can be helpful ? How to set it ?
If you already are using an extension to manage your Open Graph tags or are using only one main extension for all of your content, you can disable the OG tags in JFBConnect. For example, if you use Seblod for almost all content of your site and if Seblod sets Open Graph tags already, then you can tell JFBConnect to not set those tags. That setting is a site-wide setting though, so if you skip a tag, it won't be set on any page of your site.
I hope that helps explain,
Alex
Images are NOT showing - Not able to login with FB credentials
