When you land on cheddarup.pixielane.com, you are effectively dealing with a ghost. The domain registration is completely invisible. That is not normal privacy protection, it is a deliberate step beyond it. Most legitimate businesses, even small ones, leave some trace of who registered the domain. This one leaves none.
There is also no record of this site existing before today. The Wayback Machine has no snapshots, which means it is either very new or actively kept out of archives. Combined with a total lack of an about page, contact information, or any social media presence, there is nothing to verify.
The technical side is fine. The site loads fast and has a valid certificate. But security is not the problem here. The problem is that you cannot know who is behind it or whether they plan to deliver on whatever they are offering. For any site that asks for your email, let alone money or personal data, this level of anonymity is a clear warning sign.
If you are considering using cheddarup.pixielane.com, the safe move is to walk away. There are plenty of services online where you can actually see who you are dealing with.