* Illegal content: Websites that contain illegal content, such as child pornography or hate speech, are blocked to prevent students from accessing it.
* Harmful content: Websites that contain harmful content, such as violence or graphic images, are blocked to protect students from being exposed to it.
* Inappropriate content: Websites that are deemed to be inappropriate for children, such as those containing sexually explicit material, are blocked to protect students from being exposed to it.
* Distracting content: Websites that are deemed to be distracting, such as those containing games or social media, are blocked to prevent students from wasting time on them.
* Malware: Websites that contain malware, such as viruses or spyware, are blocked to protect students from having their devices infected.