Storage Permissions

Adam Kershner
Adam KershnerCTO
5 min read

Storage Permissions

Some websites have the ability to store information, such as files, in your local storage, and these files can only be removed manually by you. This helps the website run faster and prevents information from being lost if you lose your connection.

What is Local Site Storage?

Local site storage allows websites to save information directly on your device. This can include:

Types of Stored Data

  • Website preferences and settings
  • Cached files and resources
  • Offline content for web apps
  • User-generated data
  • Session information
  • Application data

Benefits of Local Storage

  • Faster website loading
  • Offline functionality
  • Reduced data usage
  • Persistent user preferences
  • Better performance
  • Enhanced user experience

Accessing Storage Settings

You can access site storage settings in your Oasis settings as follows:

1

Open Settings

In the Menu bar at the top of the screen, click Oasis and then select Preferences or Settings, depending on your operating system.

2

Navigate to Privacy

Select the Privacy & Security panel and go to the Cookies and Site Data section.

3

Manage Storage

From here, you can view and manage all stored site data, including cookies, cache, and local storage.

Managing Individual Site Storage

View Site Data

  1. In the Cookies and Site Data section, click Manage Data…
  2. You'll see a list of sites and how much information each site is storing on your computer
  3. Review the storage usage for each website

Remove Site Data

  1. Click the site you want to remove from the list
  2. Click Remove Selected to remove data for that specific site
  3. Or click Remove All to remove all stored cookies and site data
  4. Click Save Changes to finish

Clearing All Site Data

To clear data stored by all sites at once:

1

Open Clear Data Dialog

In the Cookies and Site Data section, click Clear Data…

2

Select Timeframe

On the dropdown next to When:, select the timeframe for the data you want to clear

3

Choose Data Types

Tick the checkbox next to the type of information you want to clear

4

Confirm Deletion

Click the Clear button to remove all selected data

Managing Storage Permissions

You can set up Oasis to always allow or block specific sites from storing information:

Access Exceptions

  1. In the Cookies and Site Data section, click Manage Exceptions…
  2. Type in the exact address of the site you want to allow or block
  3. Or select the site if it's already on the list

Set Permissions

  • Block: Prevents the site from storing any data
  • Allow for Session: Allows storage only while the browser is open
  • Allow: Permits the site to store data permanently

Save Changes

Click Save Changes to apply your permission settings

Best Practices for Storage Management

Regular Maintenance

  • Review storage usage monthly
  • Remove data from unused sites
  • Clear cache for better performance
  • Monitor storage space usage
  • Set up automatic cleanup

Privacy Considerations

  • Block storage for sensitive sites
  • Use session-only storage when possible
  • Regularly clear browsing data
  • Review site permissions
  • Be selective about what you allow

What to Expect

When you manage storage permissions, you may notice:

Positive Changes

  • More available storage space
  • Better privacy control
  • Improved browser performance
  • Reduced data usage
  • Cleaner browsing experience

Potential Trade-offs

  • Some sites may need to reload data
  • You may need to re-enter preferences
  • Offline functionality may be limited
  • Some web apps may not work optimally
  • You may need to log in again

Technical Details

Local site storage uses various web technologies to store data on your device:

Storage Technologies

  • LocalStorage: Persistent key-value storage for web applications
  • SessionStorage: Temporary storage that clears when the browser closes
  • IndexedDB: Advanced database storage for complex data
  • Cache API: Storage for offline resources and assets
  • Cookies: Small text files for session management

Understanding these technologies helps you make informed decisions about what data to allow websites to store on your device. Since Oasis is built on Firefox's core technology, these storage mechanisms work identically in both browsers.

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About the Author

Adam Kershner
Adam Kershner
CTO

I'm the CTO of Kahana, bringing a unique perspective from my management consulting experience at Clarkston Consulting and biomedical engineering background from Duke University. I'm focused on making the future of work more ergonomic through innovative technology solutions that prioritize user well-being and productivity.