It would best to use hardware or desktop wallet if it's possible.
But with web wallets you should be very careful. Be sure that your device isn't infected with malware and virus. Always check URL of website to avoid phishing websites. In general, web wallets aren't safest place to keep and access coins, this is why it's not recommend to use.
I clean my PC every week. By all these replies I decided to buy a hardware wallet. Thank you sir.