1-The Best Time to visit Prague in the Christmas and Easter holidays and during the summer months.
2-For Safty : The Crime Rate in Prague is too low so it is safe all the time but just in case always keep your hands on purses, backpacks, rather than leaving them placed beside you.
3-Be aware of Prague Weather it may changes in a minute, and wear comfortable shoes as High heels will be a problem when walking on the cobblestone streets of Prague.
4-Most of Prague Cafes have free Wifi.
5-Public Transportation in Prague is amazing.
6-You can get great Stunning photos in Prague for its wonderful sightseeings everywhere.