Yes it is "safe". Well, safer than giving your card to a server in a restaurant etc. I've been buying online for several years with no problems.
Just be careful not to click any buttons twice - it can take a while to register your transaction.
Samsung Galaxy S8 review
1995-2015: How technology has changed the world in 20 years
This poetic animation about monsters is illustrated in a Van Gogh painterly style
Apple predictions 2017
Synology invites you to visit them at Insomnia on 26th – 29th August. Book your tickets now and visit Synology.