Social previews
How a link looks when it is shared on Facebook, LinkedIn, X and Slack.
- Social10 min read
Debugging a cached link preview: why the old image keeps showing
You changed the share image and Facebook, LinkedIn or WhatsApp still shows the old one. Where each platform caches previews, how to refresh each, and the image problems that look like caching.Updated 25 Sept 2026 - Social10 min read
Facebook App ID (fb:app_id): do you need it and what it changes
Most sites do not need fb:app_id: previews render without it and the Sharing Debugger warning is harmless. When the tag does matter, how to get an ID and where WordPress plugins put it.Updated 25 Sept 2026 - Social11 min read
Generating Open Graph images automatically for every page
Stop making share images by hand. Build one 1200×630 template, render it from the page title at build time or on request, cache it, and check the result with a free link preview tool.Updated 25 Sept 2026
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