Browser / Version: Firefox 49.0
Problem type: Something else - I'll add details below
Steps to Reproduce
- Navigate to: https://www.etsy.com/
- Open any listing (ex. https://www.etsy.com/ca/listing/90796672/birch-wool-acorns-felted-acorns-set-of?ref=finds_l)
- Click the Tweet button under the Add to Cart button
The Twitter API sharing window should load.
The new window crashes Firefox.
This only occurs on Firefox
From webcompat.com with