Using a different password for every different website is one of the best things you can do to improve your security. I use 1Password and you should too. The Wirecutter from the NY Times agrees.
Watch your hack.
Troy Hunt has more details.
Here are some options.
Protect yourself any time you’re logging on to a public network, even if it’s password protected. I personally use a VPN any time I’m not at home.
This article explains why you may be revealing more than you want to when you take online quizzes.
Just by doing this one simple thing, you will be more protected than 90% of gmail users — Less than 10% of Gmail users enable two-factor authentication
Motherboard has a good guide.
Protect your privacy by know when and when not to turn on location sharing. https://www.nytimes.com/2017/07/12/technology/personaltech/using-location-sharing-apps.html
Are you worried about how much information Google and Facebook are collecting about you? Let me show you how to protect your information online. https://www.nytimes.com/2017/06/30/opinion/social-data-google-facebook-europe.html