There are many sites, the content of which you is unpleasant, or you fear that in your absence, the child browsing pornographic resources, there are sites carrying viruses or an abundance of advertising. Regardless of the cause, you can by changing the browser settings, prohibit access to specific sites. Block such resources is possible in any of the popular browsers, OSA devices or using special programs.
Very easy to make unwanted content in Opera. Open the "Settings" in the browser menu, in the "Advanced" tab, mark the "Content" item. Click on the "Blockable Content" button. In this window, add the address of any site, the contents of which are prohibited for viewing. In order to unlock the site in the future, it is enough to delete its address from this window: highlight the link, click "Delete". If you are using the Internet Explorer browser, then use the "Properties" menu. Make a few changes in the settings. Click the "Enable" button in the "Content" section. Select "Allowed nodes". Then specify the addresses of the locked sites, putting the ticks against the word "never." These resources will no longer be opened in the browser. If you want to view closed resources yourself, then specify the password to access them. For Internet Explorer browser 11, the procedure is specified in the screenshot.Various methods of prohibiting some sites to view not only will protect you and your children from negative content, but also allow you to block sites sending viruses. Do not forget the browser after uninstalling the browser, then re-make blocked sites in the Black List. The most flexible and efficient site blocking method is the use of programs for URL-filtering sites.