The internet becomes a big part of people live since it is a place to find any information people needed. Many websites offer great and beneficial information. However, there are also a lot of websites that provide unsuitable or even harmful content especially for children, like adult content, racism, hate, violence, drugs, etc. And sure those websites are not beneficial for child development.

Most parents might want to protect their children from these unsuitable contents that are available on the net. And it becomes the reasons why parents want to protect their children from these content types.

Blocking the internet access is not the best solution for it, since the net is also a good place to find useful information. Therefore, blocking access to harmful sites may be the best solution of to protect children. However, lots of parents might wonder to know how to block websites effectively.

Blocking website access from a computer can be done using several ways. It can be done by using parental control software. Most operating systems today, such as Windows 7 is already coming with parental control software. There is also a lot of third-party parental control software available out there and some of them are available for free. Some of them can block websites according to the keywords or specific categories of websites.

Using browser add-ons (extensions) is also effective to restrict access to certain websites. Firefox can be installed by some add-ons like LeechBlock which very good the block websites. It has some features like time based block that enables users to block websites within a fixed time, blocking rules that allows users to specify sets of blocking rules, password protect feature that enables to create a password to access the options.

Not only Firefox, Google Chrome also has some extensions which can be used to block websites, such as ChromeNanny and BlockIt. They are very effective to block websites on Google Chrome. The Chrome Nanny is developed based on the features of LeechBlock. Therefore, the features available on LeechBlock are also available on Chrome Nanny, like time based block, blocking rule sets, and password protection.

Besides those ways, there are still the other ways to filter web access from the child's computer. There are lots of websites that provide tutorials on how to block sites effectively. Browse the net or search it using search engine are really helping to find those tutorials.