Nope, there are a lot of this site if I remember correctly bitminer looks likes this as well, same designs but different color scheme, same profit calculator, same owner probably so how can you trust this site, it will just eat up your funds there so just stay away from them.
Yup.
https://bitminer.io looks exactly the same as
https://startminer.com, which indeed makes it clear that this is either a template, or owned by the same people.
If you simply google bitminer.io, it becomes pretty clear that they are a scam. There's several threads on the forum about them, see
https://bitcointalk.org/index.php?topic=1789851.0https://bitcointalk.org/index.php?topic=1580717.0Startminer.com has the exact same business model as bitminer, which means that they'll stop paying sooner or later, just like bitminer.
(Although it seems like they've already not been paying for a long time/selectively scamming customers, see
https://bitcointalk.org/index.php?topic=1870027.new)