You have done with your browser, you have search a lot there for many login pages but you won't get the perfect solution, but here you can log in at any website and portal from Login-ask.com.
Just search your page or website name in the search bar and you will get the official page links opens in a minute.
Login-ask.com is a multipurpose website for online uses who are searching for any login website on their browser.
You can easily log in to your desired website with this website and you just need to fill in your credentials to access any official portal online.