How spark.app Looks on Slack
This page shows how spark.app appears when shared on Slack. The current preview headline reads "Spark.app - Ignite Your Productivity". It pairs with the description "Spark - The productivity app that helps you get things done" and a social image. Overall, spark.app's setup scores 77/100 against Slack best practices.
Slack preview
Slack
spark.app
Spark.app - Ignite Your ProductivitySpark - The productivity app that helps you get things done

Analysis
spark.app's social setup currently has 1 error that affect how it renders on Slack. The most impactful fixes are listed below - they range from missing required tags to image dimensions that will be cropped or rejected by specific platforms.
In particular: og:image uses a relative url. Each of these has a one-line fix in the recommendations panel above.
What's working well: social share image found; title length is good (36 chars); description length is good (59 chars). 4 of the checks we run pass cleanly.
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