williams-sonoma.comは安全ですか？

This is a commercial site. Regard it as such. Their bias is toward their own products - would you expect otherwise? They have good products and if you are interested this is the site for you.

Williams-Sonoma, Inc. is the premier specialty retailer of home furnishings and gourmet cookware in the United States. Their brands are among the best known and most-respected in the industry. They offer high-quality, stylish products for every room in the house: from the kitchen to the living room, bedroom, home office and even the hall closet.