Mikey, T&A's theory is way too full of holes.    The article is still available.  https://dev.to/ben/how-devto-dynamically-generates-social-images--2c2n   The article affirms dynamic linking NOT negates it.     We get a lot of questions about how we generate these default images dynamically.    The script referenced (also by Q) is used to dynamically update:   There is more to the process than simply generating the image. We also need a cache-busting bot in order to update the card periodically. If we want to show a growing number of comments over time, we cannot wait for Twitter to bust the cache once per week.  The developers reply:  Twitter associates the image with the URL which cannot be changed after it gets tweeted out  Its the URL that cannot be changed, not the image (because the image is dynamcially retrieved FROM the Url site.