The tea categories? On the newer listings, I get a 404 error for each link (Chrome, opens in a new tab - can't help with that issue, but as above you can only direct to a website if you're just providing more product information, there can't be anything for sale there, or other links to items for sale on other sites. Just as an aside, I always prefer links to open in a new tab, it's easier to just close tabs than navigate back to where I started etc).