SIP-Benchmark III was a project of the Digital Opportunities Foundation in 2009 - 2017.
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Net Nanny

Content Watch Inc.
Devices supported
Operating system
Mac OS X
Windows 7
Windows 8
Windows Vista
Windows XP
Price *
30.19 €
Language of interface
english, spanish
Test date
SIP Bench III, 1st test cycle, Summer 2013

*Prices might change according to the latest company offers


The overall effectiveness score is weak on adult content and very weak on other harmful content.
There is no major difference in effectiveness between teenagers and children.
There is no major difference in effectiveness between web and web 2.0.
There is no major difference in effectiveness among the different languages.
Effectiveness score with adult content filtering for users up to 12 year old: 3.0
Effectiveness score with other harmful content filtering for users up to 12 year old: 0.0
Effectiveness score with adult content filtering for users 13 years and older: 3.0
Effectiveness score with other harmful content filtering for users 13 years and older: 0.0
Effectiveness score for users up to 12 year old: 1.5 out of 4 points
Effectiveness score for users 13 years and older: 1.5 out of 4 points


Installation of the tool: The installation process is generally comprehensible. The installer does not provide advanced options and cannot be influenced with regard to kind or amount of information, except for the language. The process is mostly consistent, but behaves partly unexpectedly concerning the order of steps.
Configuration of the tool: The configuration process is partly incomprehensible and context sensitive explanations are often missing. The process contains several inconsistencies and it does not always meet users' expectations (many pop-ups). There are some options to individualise or influence the process. The design could be improved to match the common standard.
Usage of the tool: When a web site has been blocked, the tool offers an option to send an allowance request to the admin. The alert message can be replaced by another website, but the default message is not worded with respect to children's capability of understanding. The reporting is mostly comprehensible.

Usability of the installation process: 2.6
Usability of the configuration process: 2.6
Usability of the usage of the product: 3.1

Overall score for usability: 2.8 out of 4 points


The web filtering customization provides the parent with different options with respect to the content topics: BLOCK, ALLOW, WARNING. There is also the “profanity'' category that the parent can choose to MASK: this will replace “profane words'' with symbols. The parent can indicate specific URLs to be blocked (creation of a black list) or allowed (creation of a white list) by the filter despite the selected categories to be blocked/allowed. You can create several profiles. Children can also be enabled to send request for exceptions referred to filtering activities.
Skype and Streaming application cannot be blocked. The reporting dashboard is user-friendly and provides the parents with data analyzed from different perspectives. It is possible to block Social Networking and to monitor the profile’s updates.


The tool resisted to the main hacking attempts to by-pass it
Overall score for security: 4 out of 4 points


Area of needFunctionalitySpecific issuesAssessment
Management Management of User profiles Create several profiles Yes
Remote Management Manage on various devices Yes
Monitoring Remote access to monitoring Yes
Filtering Customisation Topics Customisation of Filtering Topics Yes
URLs White List Restrict Browsing to White List Yes
Default White List No
Modification OR Creation Yes
URLs Black List Creation of User's own Black List Yes
Keywords Keywords Default Black List No
Default White List No
Creation of a User's Black List Yes
Creation of a User's White List No
Time Time Limit Settings Set a specific time frame or web access duration Yes
Blocking Message Type Ask for unblocking by parents Yes
Redirect to safe resources No
Usage Restriction Web Block Access Yes
Monitor Access Yes
Safe search Availability Yes
Social Networks Block Access Yes
Monitor Usage Yes
Personal data Provision Block No
Streaming Block Access No
Monitor Access No
P2P Block the application Yes
Monitor Downloads No
Skype Block chat No
Block video chat No
Monitor No
Prevent new Contact No
Windows Life Messenger Block chat Yes
Block video chat No
Monitor Yes
Prevent new Contact No
Email Block email client and/or webmail access Yes


Yes / No
I: installation in 3 steps or lessNo
I: choice of installation for beginners or advanced usersNo

C: different degrees of strength for the filteringYes
C: different content criteria for the filteringYes
C: option to transfer filter configurations between target usersNo
C: option to transfer filter configurations between devicesNo
C: overall comprehensible configurationYes
C: overall conformity with user expectationsYes
C: overall easy to learnYes

U: alert message in a child friendly languageYes
U: option to customise the reaction in case of blockingYes
U: overall easily operable and comprehensible reportingYes


The Tool prevents the user from by-passing the filter by:Yes / No
Using the IP address instead of the URLYes
Using an alternative browserYes
Changing time and date settings*Yes
Disabling or uninstalling the software without a password*Yes
Closing the filtering tool trough the Task ManagerYes
Using a proxy instead of a direct connection to the InternetYes
Accessing the web-pages through the Google CacheYes
Reaching a website through translation sitesYes
Renaming a blocked applicationYes
Using Safe ModeYes
Filtering Content personalised by userNo
Filtering Content evolving through timeNo
Filtering Multimedia contentNo
Filtering outbound contentNo

Funded by
Logo: EUEuropean Commission

Cybion Online Business Intelligence

Stiftung Digitale Chancen

coordinated by:
Innova - Technology Transfer and Valorisation

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