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Thumbnails & Open Graph
Diagnoses social sharing thumbnail failures: checks your Open Graph meta tags and featured image setup, scans recent posts for missing images, and audits your Cloudflare image caching configuration. Social media platforms and link preview tools (Slack, Teams, WhatsApp) rely on Open Graph tags to generate preview cards – when these are wrong, links share as plain text with no image.
🖼️ Why Your Links Share Without a Preview Image
When someone shares a WordPress post link on Slack, Twitter, WhatsApp, or LinkedIn, the platform fetches your page to build a preview card. That card is driven entirely by Open Graph meta tags – specifically og:image. If the tag is missing, wrong, or pointing to an image that Cloudflare is caching with a wrong content-type, the link shares as bare text. This diagnostic panel finds and fixes those problems.
Open Graph URL Checker
Enter any public URL on your site to inspect its Open Graph tags. The checker fetches the page, parses the <head>, and reports all OG meta tags found (title, description, image, type) along with a visual preview of how the link will appear when shared. Immediately shows if og:image is missing or pointing to a non-existent URL.
Recent Posts Scan
Scans your 20 most recently published posts and checks each one for a set featured image. Posts without a featured image are listed so you can add images before they’re shared on social media.
Cloudflare Image Cache
Cloudflare’s aggressive caching can serve stale or incorrectly-typed image responses to social platform crawlers. This panel lets you configure Cloudflare cache settings for image URLs to ensure social crawlers always get a fresh, correctly-typed response. Enter your Cloudflare Zone ID and API token to enable the cache management tools.
Media Library Audit
Lists orphaned attachment records in your database – images that exist in wp_posts as attachments but whose files are missing from the uploads directory. These cause 404 errors when social crawlers try to fetch the referenced og:image. The audit lets you identify and clean up broken attachment records.