What is the difference between LooksRare and OpenSea?

Could you elaborate on the key distinctions between LooksRare and OpenSea in the realm of cryptocurrency and NFT marketplaces? Specifically, I'm interested in understanding the variations in their user interfaces, the type of assets they offer, their security measures, and perhaps any notable features that set them apart from each other. Furthermore, are there any significant differences in their pricing strategies, transaction fees, or the overall user experience they provide? Your insights would be invaluable in helping me make an informed decision regarding which platform to utilize for my NFT transactions.