Tools/Metadata viewer
Facebook or other media link thumbnails, may not appear when we share a link.
This always happens to me every first time I post new link articles of my blog on Facebook.
Facebook provides a specific page the sharing debugger that allows you to re-scrape to extract the metadata tags for social media sharing.
There is a new tool for Linux to run preview and debug website metadata tags.
Share Preview metadata & tag debugger
Share Preview by rafaelmardojai is a Linux tool that simplifies things and allows you to view the metadata contained in the page shared on Facebook, Discourse, LinkedIn, Mastodon and Twitter(X) to analyze any errors.
Simply paste the link to be analyzed to have access to all the share data and preview the image set as the main image of the post
It is possible to install Share Preview on Linux GNOME, Arch, Ubuntu, Fedora and other distributions and is also available a Flatpak version.
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