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screenshotRestrict to Domain  |  Download Restricts cookies, cache and other data access to the domain level.

Some of the important features of the Restrict to Domain addon are listed below. This is followed by an overview of this addon. This summary contains few words about the addon, its function, and its features. Next is FAQ, this section is useful to get information about how this addon works in your browser. If you couldn’t find a specific answer, please fill the bug report form on this page or the contact form on the homepage to let us know about your question. Following the FAQ, is the bug report form. It is designed to collect user feedbacks and bugs about this addon. Users can suggest improvements or feature requests through this form too. The next section is for submitting comments about this addon which uses the Facebook comments plugin. The last section is dedicated to reports submitted through the GitHub website. We hope the information provided on this page, could help you get all the basics you need about this addon and enable you to have a better experience with Restrict to Domain.

In short, Restrict to Domain addon allows you to restrict accessing cookies, cache and other data to only the top domain via toolbar button (ON|OFF switch). Please check the YouTube tutorial below to get an idea of how this addon works in your browser. If you want to contribute to the developement of this addon, please fork it on GitHub, and push your changes to a named branch. Moreover, you can review all the comments made on GitHub commits.

4 Reasons to Use Restrict to Domain

  • Allows you restrict accessing cookies, cache and other data to the top level domain.

  • Very lite addon with minimal CPU and RAM usage.

  • Toolbar button serves as ON|OFF switch to enable or disable the addon.

  • Available for Firefox browser in all platforms (Windows, Linux and Mac).

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Frequently Asked Questions

  • 1. What is Restrict to Domain?

    Restrict to Domain is a lite addon that let you easily restrict the access of cookies, cache and other data to the domain level. This is called First-Party Isolation and currently is only implemented in Firefox browser. First-Party Isolation is a new privacy feature that is implemented in modern browsers (currently Firefox) and intend to restrict accessing cookies, cache, and other data to only the top domain. This feature can potential increases your privacy while browsing the internet. This addon has only a toolbar button which serves as ON|OFF switch. By default, the addon is active, in other words, First-Party Isolation is ON. If you do not want the isolation, please press on the toolbar button once to make it inactive.

  • 2. What is First-Party Isolation?

    As mentioned above, First-Party Isolation is a new feature which is added to Firefox browser (Chrome and Opera browsers have not implemented this feature yet). When you enable this feature while visiting a website, only the top domain has access to some data in your browser (i.e. cookie, cache, etc.). This is a very useful when you are visiting a website with a lot of iframes loading third part URLs. It can potentially increases your privacy while surfing the net. In order to get more info about First-Party Isolation, please visit this wiki page in Mozilla website.

  • 3. How can I download the source code for Restrict to Domain?

    To download the source code for this extension from Chrome Web Store, it is recommended to use Extension Source Downloader. With this addon, you can download the source code as a ZIP or CRX format to your machine. If you want to download the source code from the Firefox addons store, please open the firefox download link (if available) in the Firefox browser and then right-click on the - Add to Firefox - button and select - Save Link As... - item. Choose the destination folder on your machine and then save the file in XPI format. You can then rename the XPI format to a RAR or ZIP file. Some extensions may have a GitHub repo address, which you can use to download the source code as well. But, it may not be the latest version of the addon. Therefore, downloading the source code from the official web stores is the best option as it always gives you the latest version of the addon.

  • 4. How can I work with this addon?

    Working with this addon is very easy. Simply click on the toolbar icon to turn the addon ON or OFF. By default the addon is active (orange toolbar icon). If you press on the toolbar icon once, the icon will turn to grey and the addon will become inactive. Please note that, addon state (ON or OFF) will be stored to the memory. So the next time you open the browser, Restrict to Domain addon will have the stored state.

  • 5. Does this addon has any settings or options to adjust?

    No, currently there is no settings to adjust for this addon. Simply add it to your browser and start surfing the internet.

  • 6. How can I disable this addon?

    In order to disable this addon, just open the extensions page in your browser and click on the disable button next to the addon name.

  • 7. Can I whitelist a website from First-Party Isolation?

    Unfortunately not. when you enable - Restrict to Domain - addon, all websites go through First-Party Isolation action. In future, support for domain filtering will be added.

  • 8. Can I use this addon in all versions of Firefox?

    Only Firefox 58+ has this feature implemented. So, please make sure your browser has the required version before installing this addon.

  • 9. Is this addon available for mobile Firefox?

    Yes, this addon is available for both desktop and mobile Firefox browsers. As mentioned above, just make sure the browser version is 58+.

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Submitting Bugs

Your feedback goes a long way towards making this addon even better. With this bug report form, you can submit bugs or suggest enhancements for the functionality or performance of this addon. Please note, this bug report form will be sent to the developer(s) of this addon. You will not get an immediate or personal response at the moment. However, the developer(s) may contact you through the email address provided in this form for further clarifications or requesting additional information regarding the reported bug(s).

Please enter the name of the extension (addon).

Please enter the current version of the extension.

Please be as specific as possible. Basically, describe what happened, what you were doing when it happened, and why you think it is a problem.

Describe the step-by-step process required to reproduce the issue you are reporting. Be specific when describing these steps by providing as much detail as possible.

Please try to leave a link to a screenshot for the specific bug or error report.

Please enter your operating system.

Please enter your browser and its current vesrion.

Please enter your email address.

Reviews | Discussions

Please note: keep these reviews/discussions clean, and avoid the usage of derogatory or inappropriate language or terminology in references to individuals or groups based on race, national or ethnic origin, color, religion, age, gender, etc. Do not submit bugs in your reviews, use the above bug-report section instead. Also, never post any personal information in these reviews.