Sketchy, no one should trust this not to steal your Aeon. The site could upload your seed. Not even a FAQ page saying anything about seed security or who the devs are.
Edit - web wallet devs posted on Reddit but I find it odd they mention nothing about seed security or how the website handles the seed when you paste in into the account box and click Login
https://www.reddit.com/r/Aeon/comments/7qceqa/aeon_pocket_secure_web_wallet_for_aeon/