Following Websites will be helpful in learning about Verification, System Verilog, UVM 

Concepts are explained in a simple & easy to understand manner
Can be used as a daily guide in case you want to quickly go through


One of the best website for Verification Engineers
Has lot of courses regarding SV, UVM, UPF, etc
Can get your questions answered in the forum
uvm_cookbook is very helpful

Can practice basic SV & UVM code here for free
Select Aldec Reviera Pro as simulator


Papers regarding Assertions, UVM, X Prop, etc


Similar to ChipVerify but has other info like DDR


In depth about SV Constraints, UVM RAL, etc


SV Bytes regarding disable fork, interview questions, etc