If you find yourself googling this, it’s a problem I had while testing sharing on mobile device. It’s works fine on Android but it didn’t share my tweet on iPhone, it just opened twitter home and did nothing. Here is why.
I used Phaser during a web project I did for Ford. I discovered it long time ago doing some web monitoring and I finally played seriously with it recently.
If for some reason you still need to use it, it is still possible, just add the following line to your functions.php file.
Quick tip to get youtube thumbnail in your project easily without the API, just with image URLS.