An Open Graph checker answers a simple question: do the tags you think you published actually produce the story users see when the link is shared? Automated linters can confirm presence, but humans still need to judge truncation, contrast on thumbnails, and whether the description repeats the title verbatim.
SmartFlexa combines parsing (when fetch succeeds) with manual overrides so QA teams can paste HTML snippets from staging without exposing that environment to the public internet. Compare results against our dedicated Facebook link preview and Twitter card preview hubs if you want keyword-focused intros, or stay on this route for a general audit checklist mindset.
Treat every failed image load as a release blocker: social algorithms downgrade links that time out fetching media.