Safari 8 (Yosemite): Security pane of Safari preferences
Block or allow certain types of web content in Safari, and turn security warnings on and off. To set these options, open Safari, choose Safari > Preferences, then click Security.
Warn when visiting a fraudulent website
Safari warns you if the site you are visiting is a suspected phishing website. Phishing is a fraudulent attempt to steal your personal information, such as user names, passwords, and other account information. A fraudulent website masquerades as a legitimate one, such as a bank, financial institution, or email service provider.
Block pop-up windows
Block ads displayed in pop-up windows that appear when you open or close a webpage. However, some websites use pop-up windows for essential content.
Let Safari show hardware-accelerated interactive 2D and 3D graphics on websites that use WebGL. No Safari plug-ins are required.
Click Website Settings to see which websites you visited use WebGL, and set blocking policies for WebGL.
To set a blocking policy for a visited website that uses WebGL, select the website, then click its pop-up menu and choose a policy:
To set the blocking policy for other websites that use WebGL, click the “When visiting other websites” pop-up menu and choose a policy described above.
For more information about WebGL, see the khronos.org/webgl website.
Let Safari show plug-in content on websites.
Websites use plug-ins for pictures, music, video, animation, interactive features, and other enhancements. Some plug-ins track your browsing history.
Click Website Settings to see which plug-ins are installed, see which websites you visited use each plug-in, and set blocking policies for plug-in use.
To set a blocking policy for a visited website that uses a plug-in, select the plug-in on the left, select the website on the right, then click its pop-up menu and choose a policy:
To set the blocking policy for other websites that use a plug-in, select the plug-in on the left, then click the “When visiting other websites” pop-up menu and choose a policy described above.