Rather than use a static image for the favicon and the social media share cards, it would be better to update those image files each time the scrape runs to accurately reflect the odds.
Take a screenshot of the page after the data is refreshed
Resize/crop the image to correct dimentions
Reupload when the cron runs
Can the iOS app icon update itself occasionally? Or is that icon static after it gets added to the home screen?
Rather than use a static image for the favicon and the social media share cards, it would be better to update those image files each time the scrape runs to accurately reflect the odds.