While I don’t know of any Slack URL validator, I do know if you post a URL into a Slack channel, you should see a preview along with:The brand name. Slack optimization is a bit more complex than Facebook, X or other social channels, and there are some quirks to be aware of. It’s easy to forget to optimize your content for social platforms – especially when we’ve got our heads fully within the search engine algorithm. It doesn’t take long to ensure content is ready for sharing on social media and to have a strategy for feeding (not spamming!) Dig deeper: Search, social and retail: The future of digital brand experiences