Evaluate website with the Facebook Sharing Debugger
The Facebook debugger can be found below with https://developers.facebook.com/tools/debug/sharing Here you can enter in the input field the URL of your own website, which one wants to share and where to get an error, or pictures as thumbnails are not passed.
Enter a URL in Facebook Debugger If I then enter the URL in the Facebook sharing debugger, Test the page, even before sharing with link to Facebook [Lnk "https://developers.facebook.com/tools/debug/sharing/?q=https%3A%2F%2Freaddy.net%2FNotes%2FDetails%2F124" /] then comes [Lnk "https://readdy.net/Notes/Details/124" /] This URL has not yet been shared on Facebook. Conclusion: you must have shared the page once.
If you enter a page that has already been shared with Facebook, then comes a detailed evaluation
Warnings that should be fixed · Derived property The og: image property should be explicitly specified, even if a value can be derived from other tags. · Specification of excess properties The following properties have been specified on the website. They are NOT supported for the specified og: type property: og: title, og: type, og: url, og: image, og: site_name, og: description · Missing properties The following required properties are missing: og: url, og: type, og: title, og: image, og: description, fb: app_id
Under Visual Studio in the source code of the controller you will find the error
Solution: The meta tag must be generated WITHOUT spaces
Further evaluations by the Facebook Debugger and
When and how the URL was last scrapped
Based on the raw tags, we developed the following Open Graph settings
· meta charset = "utf-8" /> · <meta name = "viewport" content = "width = device-width, initial-scale = 1.0" /> · <meta name = "x-stylesheet-fallback-test" content = "" class = "sr-only" /> · <meta property = "og: title" content = "👁🗨 Power connection from the roof to the basement, fuse box electricity meter" /> · <meta property = "og: type" content = "website" /> · <meta property = "og: url" content = "https://Readdy.net/Notes/Details/123" /> · <meta property = "og: image" content = "https://Readdy.net/User_Files/Notes/Images/Image_123_0_blog.jpg" /> · <meta property = "og: site_name" content = "Readdy.Net" /> · <meta property = "og: description" content = "Power connection from the roof to the basement On the left side, the electricity comes from the roof line into the house The power connection from Stadtwerke Nürtingen ends up in a box with 4 wires and only one />
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