Blog

Writing on link previews and Open Graph

Field notes on the tags, caches and image limits that decide whether a shared link earns a click.

  • 6 min readSlackTroubleshooting

    Slack link previews: why your unfurl is blank

    Slack unfurls links with its own crawler and its own rules. When the preview never appears, it is almost always one of these five causes.

    By Chris Bonney, CommonPoint LLC

  • 6 min readFacebookTroubleshooting

    og:image not showing on Facebook? Fix these in order

    When Facebook renders your link without the image, work through this checklist — it ends with the re-scrape step everyone forgets.

    By Chris Bonney, CommonPoint LLC

  • 7 min readOpen GraphFundamentals

    What is Open Graph? A plain-English guide to og tags

    Open Graph decides what people see when your link is shared. Here is what the protocol is, which og tags matter, and how to check yours in a minute.

    By Chris Bonney, CommonPoint LLC

  • 5 min readX (Twitter)Troubleshooting

    Twitter card not showing the image? Five causes, ranked

    Your og:image is perfect and X still renders a small square or nothing at all. Here are the five real causes, in the order they happen.

    By Chris Bonney, CommonPoint LLC

  • 6 min readOpen GraphFundamentals

    The Open Graph tag checklist every page should pass

    The nine tags that decide how your link looks on LinkedIn, Facebook, X, Slack and WhatsApp — and the copy-paste block that covers all of them.

    By Chris Bonney, CommonPoint LLC

  • 4 min readLinkedInTroubleshooting

    Why your LinkedIn link preview will not update

    LinkedIn caches your card for about seven days. Here is what is actually happening and how to force a refresh before you post.

    By Chris Bonney, CommonPoint LLC