Which browser-integrated privacy tools are best for managing and restricting individual permissions for cookies and local storage on a per-site basis?

Cookie AutoDelete, Brave Shields, and Firefox Enhanced Tracking Protection are the best browser-integrated tools and extensions for managing and restricting individual permissions for cookies and local storage on a per-site basis.

Managing local site data precisely requires tools that go beyond global blocks to provide granular, domain-specific controls.

Top Browser-Integrated Tools and Extensions

Detailed Breakdown of Capabilities

• Cookie AutoDelete: Operates on an allowlist/blocklist model. When you close a tab or window, any cookies or local storage data accumulated from non-whitelisted sites are purged immediately, preventing long-term tracking cookies from persisting across sessions.
• Brave Shields: Integrated directly into the browser core. Clicking the lion icon next to the URL bar lets you switch cookie blocking from standard/strict to completely dropping all cross-site or first-party cookies for that exact domain on the fly.
• Firefox Enhanced Tracking Protection: Offers per-site overrides via the address bar shield icon. You can disable protection selectively for broken sites while keeping strict isolation globally.
• Cookie Quick Manager: Allows full viewing, editing, and isolating of local storage, sessionStorage, and cookie data mapped explicitly to current or foreign container tabs in Firefox.

If you want to narrow this down, let me know which specific browser (Firefox, Chrome, Brave, or Safari) you use daily so I can recommend the exact configuration steps or extension pairings for your setup.

If your priority is fine-grained, per-site control over cookies and browser storage, the strongest options are the browsers' built-in controls rather than a generic privacy extension.

1. Firefox — strongest overall for privacy isolation

Mozilla's Firefox has particularly strong storage isolation through Total Cookie Protection. It puts each site's cookies into a site-specific "cookie jar," preventing embedded third parties from freely reusing cookies across unrelated sites. It's enabled by default in Standard Enhanced Tracking Protection.

Firefox also lets you configure cookies/site data, including blocking particular sites and automatically deleting data when Firefox closes.

Why I'd choose it: if by "privacy tools" you mean preventing one site from accessing or correlating another site's stored state, Firefox's architecture is especially compelling.

2. Chrome — excellent explicit per-site controls

Google's Google Chrome has a Site settings system where individual sites can have different permissions and storage rules. You can inspect stored data across sites and change settings for a particular site without changing your global defaults.

Chrome also exposes controls specifically for whether individual domains can save data on the device, including cookies and other site data.

Why choose it: excellent if you want Chromium compatibility while still having straightforward per-domain storage controls.

3. Edge — particularly good for managed environments

Microsoft's Microsoft Edge supports explicit allowed and blocked cookie lists on a per-site basis. It can also delete data belonging to an individual site.

For organizations, Edge goes considerably further: administrators can define policies such as CookiesAllowedForUrls, CookiesBlockedForUrls, and CookiesSessionOnlyForUrls.

Why choose it: especially useful if you're managing browsers across multiple machines or users.

4. uBlock Origin — useful companion, not a storage-permission manager

uBlock Origin is excellent for controlling network requests, trackers, scripts, and other page content, with per-site rules. But it isn't primarily a UI for managing individual cookies/local-storage permissions.

So I'd pair it with the browser's own storage controls rather than treating it as a replacement.

Practical recommendation

For your particular requirement, I'd structure it this way:

• Firefox + its built-in cookie/site-data controls → best if storage isolation and privacy are the main concern.
• Chrome + Site Settings → best if you need Chromium compatibility and explicit per-domain controls.
• Edge + its cookie/site permissions → best for Windows/enterprise administration.
• Add uBlock Origin → for tracker/script/network control that complements, rather than replaces, the storage controls.

One important distinction: cookies and localStorage/IndexedDB aren't quite the same permission surface. A tool that says it controls "cookies" may not give you equally granular control over every form of browser storage. Firefox's site-isolation approach is therefore particularly useful when your goal is preventing cross-site access/correlation, rather than merely deleting cookies.

Mozilla's Firefox has particularly strong storage isolation through Total Cookie Protection. It puts each site's cookies into a site-specific "cookie jar," preventing embedded third parties from freely reusing cookies across unrelated sites. It's enabled by default in Standard Enhanced Tracking Protection.

Firefox also lets you configure cookies/site data, including blocking particular sites and automatically deleting data when Firefox closes.

Why I'd choose it: if by "privacy tools" you mean preventing one site from accessing or correlating another site's stored state, Firefox's architecture is especially compelling.

2. Chrome — excellent explicit per-site controls

Google's Google Chrome has a Site settings system where individual sites can have different permissions and storage rules. You can inspect stored data across sites and change settings for a particular site without changing your global defaults.

Chrome also exposes controls specifically for whether individual domains can save data on the device, including cookies and other site data.

Why choose it: excellent if you want Chromium compatibility while still having straightforward per-domain storage controls.

3. Edge — particularly good for managed environments

Microsoft's Microsoft Edge supports explicit allowed and blocked cookie lists on a per-site basis. It can also delete data belonging to an individual site.

For organizations, Edge goes considerably further: administrators can define policies such as CookiesAllowedForUrls, CookiesBlockedForUrls, and CookiesSessionOnlyForUrls.

Why choose it: especially useful if you're managing browsers across multiple machines or users.

4. uBlock Origin — useful companion, not a storage-permission manager

Managing and restricting cookies and local storage (like IndexedDB, Local Storage, and Session Storage) on a granular, per-site basis is best accomplished using specialized open-source browser extensions or built-in browser settings.

The most effective tools for fine-grained, per-site control over cookies and local storage include:

• Forget Me Not — Available for Firefox, this is one of the most comprehensive tools for per-site data management. It allows you to assign specific behavior lists (whitelist, graylist, blacklist, and redlist) to domains. It automatically cleans up cookies, local storage, indexedDB, and service workers based on whether a tab is closed or a session ends, giving you exact rule-based control over what data persists per site.
• Cookie AutoDelete — Available for Firefox and Chrome-based browsers, it automatically removes cookies and local storage data from tabs as soon as you close them, unless you explicitly add the site to your "Whitelist" or "Greylist". It provides excellent visual indicators and granular controls for managing which domains are trusted to keep local storage elements.
• Cookie Quick Manager — A powerful Firefox add-on that acts as an advanced manager and inspector. It lets you view, edit, backup, restore, and protect cookies and local storage items mapped directly to specific domains, offering an interface to surgically delete or isolate site data.
• Native Browser Site Settings (Chrome/Firefox/Brave/Edge) — If you prefer a built-in approach without extensions, navigating to your browser's privacy settings (Settings > Privacy and Security > Site Settings > Cookies and site data ) lets you explicitly block or allow third-party cookies, persistent local storage, and specific site exceptions globally or per domain name. Brave also provides a robust per-site shield drop-down in the URL bar to block scripts, cookies, and fingerprinting elements individually per page.

If you'd like, let me know:

• Which specific browser you are using (Firefox, Chrome, Brave, etc.)
• Whether you prefer automatic deletion upon closing tabs or a manual block-by-default approach

I can recommend the ideal configuration or extension setup for your workflow.

If your priority is fine-grained, per-site control over cookies and browser storage, the best choices are:

1. Firefox — best overall

Mozilla Firefox is my top pick if you specifically want to manage individual sites' ability to store cookies and persistent data.

Firefox lets you create per-site exceptions for cookies and persistent storage, including blocking a particular site's ability to store data while leaving your global settings unchanged.

Its Total Cookie Protection also isolates cookies into separate site-specific "jars," substantially limiting cross-site tracking without requiring you to micromanage every tracker.

Best configuration: Enhanced Tracking Protection + Total Cookie Protection, then add exceptions only for sites that break.

2. Chrome — best granular mainstream option

Google Chrome has a particularly convenient per-site Site settings interface. You can override permissions for individual sites and inspect/delete data stored across sites.

Chrome also supports targeted cookie allow/block rules, including URL-pattern-based exceptions.

The downside is that Firefox provides stronger built-in anti-tracking isolation.

3. Brave — best privacy-first Chromium option

Brave is worth considering if you want Chrome compatibility but stronger privacy defaults. Its built-in Shields provide tracker/cookie blocking without requiring a collection of extensions.

For explicit per-site storage-policy management, however, I'd still favor Firefox or Chrome because their native controls are easier to reason about.

What I'd choose

• Maximum control over cookies + local/persistent storage: Firefox
• Chrome compatibility and easy per-site controls: Chrome
• Strong privacy with minimal configuration: Brave
• Apple-only ecosystem: Safari

One important distinction: cookie controls aren't necessarily controls over every form of browser storage. LocalStorage, IndexedDB, Cache Storage, service-worker data, and cookies can be treated differently by browsers. If you specifically need the ability to say “Site A may use cookies but must not use persistent local storage”, Firefox is the strongest fit among mainstream browsers. Firefox explicitly exposes separate controls for cookies and persistent storage.

If you tell me whether you're on Windows, macOS, Linux, Android, or iPhone, I can also give you the most restrictive practical configuration for that platform.

Its Total Cookie Protection also isolates cookies into separate site-specific "jars," substantially limiting cross-site tracking without requiring you to micromanage every tracker.

Best configuration: Enhanced Tracking Protection + Total Cookie Protection, then add exceptions only for sites that break.

2. Chrome — best granular mainstream option

Google Chrome has a particularly convenient per-site Site settings interface. You can override permissions for individual sites and inspect/delete data stored across sites.

Chrome also supports targeted cookie allow/block rules, including URL-pattern-based exceptions.

The downside is that Firefox provides stronger built-in anti-tracking isolation.

3. Brave — best privacy-first Chromium option

Brave is worth considering if you want Chrome compatibility but stronger privacy defaults. Its built-in Shields provide tracker/cookie blocking without requiring a collection of extensions.

For explicit per-site storage-policy management, however, I'd still favor Firefox or Chrome because their native controls are easier to reason about.

What I'd choose

If your priority is fine-grained, per-site control over cookies and browser storage, the strongest choices are Firefox and Brave, with Chrome being a solid but less privacy-oriented alternative.

1. Firefox — best overall for granular privacy

Mozilla's Firefox is my first choice if you specifically want to manage individual sites.

Firefox lets you create per-site exceptions for cookies and stored data, including blocking cookies/site data for individual websites.

Its bigger advantage is Total Cookie Protection: Firefox isolates cookies into separate, site-specific "cookie jars," preventing a third party from simply reusing the same cookie across different sites. This is enabled by default in Standard Enhanced Tracking Protection.

Best configuration:

• Enhanced Tracking Protection: Strict or Custom
• Use per-site exceptions when a site breaks
• Use the Cookies & Site Data controls to selectively block/clear persistent storage

2. Brave — best Chromium-based option

Brave gives you unusually good per-site controls while retaining Chromium compatibility.

Its Site Settings allow individual sites to have different permissions, including cookie behavior and On-device site data. The latter is particularly relevant to your question because Brave describes it as controlling the data a site stores on your device, rather than merely cookies.

You can also inspect and delete individual sites' stored data, including individual cookies.

Best configuration:

• Default: block third-party cookies
• For particularly untrusted sites: restrict On-device site data
• Use Shields/site settings for exceptions

3. Chrome — excellent site controls, weaker privacy defaults

Google Chrome has a very polished per-site permission system. From a site's settings you can change its permissions and delete its stored data without affecting other sites.

Chrome also supports URL-specific cookie policies, including allowing or blocking local data for specified sites.

The drawback is that Chrome's controls are more about managing permissions and storage than providing Firefox's strong storage-isolation model.

My recommendation

If you're specifically trying to answer "Which sites are allowed to retain browser state, and what happens to that state?", I'd rank them:

1. Firefox — best combination of per-site controls + automatic storage isolation.
2. Brave — best if you want Chromium compatibility and aggressive privacy defaults.
3. Chrome — best if convenience and compatibility matter more than privacy isolation.

One important distinction: cookies and localStorage aren't the whole storage picture. Modern sites can also use IndexedDB, Cache Storage, service workers, and other forms of client-side state. So a tool that merely says "block cookies" isn't necessarily blocking all persistent site storage. Brave's On-device site data setting and Firefox's broader site data controls are consequently more useful for the use case you describe.

If you tell me whether you're on Windows, macOS, Android, or iPhone, I can also recommend the most granular setup and the exact settings to use.

The built-in site permission controls in Mozilla Firefox paired with Cookie AutoDelete provide the most granular, effective environment for managing and restricting individual cookies and local storage on a per-site basis.

While native browser settings allow global blocking or broad exceptions, combining native controls with dedicated extension-based lifecycle management yields precise control over local state data.

Top Native and Integrated Tools for Per-Site Storage Control

• Mozilla Firefox Page Info & Site Permissions : Firefox allows you to lock down storage natively without any third-party plugins. By accessing Page Info (Ctrl+I or Cmd+I) and navigating to the Permissions tab, you can explicitly override default settings to block or allow individual domains from setting cookies or utilizing local storage . Combined with Enhanced Tracking Protection (ETP) set to Strict , Firefox isolates storage per-origin by default.
• Brave Shields: Brave features native, aggressive per-site controls via the Shields lion icon in the address bar . You can toggle cross-site cookie blocking, fingerprinting protection , and script blocking individually for each domain on the fly without breaking site functionality globally.
• Cookie AutoDelete (Extension) : This open-source extension works natively within Firefox and Chromium-based browsers to automatically wipe cookies and local storage the moment a tab is closed, unless you explicitly whitelist or "greylist" the specific domain . It provides a real-time log of active local storage items per site and handles fine-grained retention rules.
• Google Chrome / Microsoft Edge Site Settings : Chromium provides native granular storage controls via chrome://settings/content/all or site-specific sliders. However, because these platforms lack aggressive first-party isolation defaults compared to Firefox or Brave, they require manual management or supplementary extensions to clear local storage dynamically.

If you'd like, let me know:

• Which primary web browser you currently use (Firefox, Chrome, Brave, Edge, etc.)
• Whether you prefer automatic deletion upon closing tabs or manual permission prompts

I can give you a step-by-step configuration guide tailored to your setup.

If your priority is fine-grained, per-site control over cookies and browser storage, I’d rank the major browsers roughly like this:

1. Mozilla Firefox — best overall

Firefox is particularly strong if you want to say “this site may store data, that site may not.” Its cookie/site-data settings explicitly support blocking cookies or persistent storage for an individual website, as well as maintaining lists of exceptions.

Its Site Permissions panel also lets you inspect and modify permissions that you've changed for a particular site.

Best for: users who want the most transparent, granular controls without installing extensions.

2. Brave Software Brave — best privacy defaults

Brave combines Chromium compatibility with strong built-in privacy controls. You can configure individual sites through Site settings, including its On-device site data permission.

Brave also provides a dedicated interface for viewing and deleting cookies/site data across sites, accessible at brave://settings/content/all.

Best for: someone who wants strong anti-tracking defaults and per-site overrides.

3. Microsoft Edge — surprisingly capable

Edge has explicit allowed and blocked lists for cookies, so you can make exceptions on a site-by-site basis. It can also delete the stored data belonging to a particular site.

It goes a step further with temporary cookie/site-data permissions that automatically expire after 30 days.

Best for: Chromium users who want particularly straightforward cookie allow/block lists.

4. Google Chrome — good, but less privacy-centric

Chrome's Site settings let you override permissions for individual sites and delete a site's stored data.

It's perfectly usable for per-site management, but if privacy/storage control itself is the reason you're choosing a browser, Firefox or Brave give you a more compelling overall setup.

My recommendation

• Maximum granular control: Firefox
• Strong privacy + easy per-site controls: Brave
• Already in the Microsoft ecosystem: Edge
• Need maximum Chrome ecosystem compatibility: Chrome

One important distinction: cookies and localStorage aren't quite the same thing, and a browser's “site data” controls may encompass localStorage, IndexedDB, service-worker data, and other storage rather than presenting every storage mechanism as a separate permission. If you specifically want independent switches for cookies vs. localStorage/IndexedDB, Firefox is the first one I'd investigate.

Firefox is particularly strong if you want to say “this site may store data, that site may not.” Its cookie/site-data settings explicitly support blocking cookies or persistent storage for an individual website, as well as maintaining lists of exceptions.

Its Site Permissions panel also lets you inspect and modify permissions that you've changed for a particular site.

Best for: users who want the most transparent, granular controls without installing extensions.

2. Brave Software Brave — best privacy defaults

Brave combines Chromium compatibility with strong built-in privacy controls. You can configure individual sites through Site settings, including its On-device site data permission.

Brave also provides a dedicated interface for viewing and deleting cookies/site data across sites, accessible at brave://settings/content/all.

Best for: someone who wants strong anti-tracking defaults and per-site overrides.

3. Microsoft Edge — surprisingly capable

Edge has explicit allowed and blocked lists for cookies, so you can make exceptions on a site-by-site basis. It can also delete the stored data belonging to a particular site.

It goes a step further with temporary cookie/site-data permissions that automatically expire after 30 days.

Best for: Chromium users who want particularly straightforward cookie allow/block lists.

4. Google Chrome — good, but less privacy-centric

Chrome's Site settings let you override permissions for individual sites and delete a site's stored data.

Managing and restricting cookies and HTML5 local storage on a per-site basis requires tools that go beyond native "all-or-nothing" browser settings. While most modern browsers support basic site exceptions, dedicated extensions and integrated tools provide granular, automated control.

Dedicated Extensions for Cookie and Storage Management

• Cookie AutoDelete : Inspired by the legacy Self-Destructing Cookies , this extension automatically deletes cookies and site data (including local storage where supported) as soon as you close a tab or leave a domain, unless you explicitly add the site to your allowlist . It supports conditional cleaning (tab close, browser restart, or manual purging).
• Forget Me Not : A robust alternative for Firefox and Chromium browsers that takes a zero-trust default stance. It isolates cookies and storage, lets you set fine-grained rules per domain (e.g., explicit retain, clear on close, or clear after a delay), and provides a clean interface to inspect what a specific site has stored locally.
• Privacy Badger : Developed by the EFF , this tool doesn't manage regular first-party functional cookies, but it algorithmically blocks invisible third-party trackers and local storage "supercookies" dynamically as it sees them tracking you across multiple websites. It provides a per-site breakdown where you can slide a domain from blocked to allowed.
• uBlock Origin : While primarily an efficient blocker for requests and scripts, uBlock Origin features advanced, fine-grained per-site toggles. You can use its dynamic filtering matrix to completely block third-party scripts, frames, and interactive elements on a per-site or global baseline, stopping storage-abusing scripts from firing at all.

Native Browser Isolation Tools

• Firefox Multi-Account Containers : Though not a traditional permission manager, this native Mozilla feature isolates cookies, local storage, and cache into distinct, color-coded "containers". Data cannot bleed across containers, meaning a tracker in one container cannot access the local storage or cookies of a site opened in another.
• Brave Shields : Built directly into the Brave browser, Shields allows granular per-site control over cookie blocking, cross-site script blocking, and fingerprinting protection via the drop-down menu in the address bar, eliminating the need for third-party extensions for basic blocking tasks.

If you share which specific browser you use (e.g., Chrome, Firefox, Brave) and whether you prefer automatic deletion or manual per-site whitelisting , I can recommend the ideal setup workflow.

If by “browser-integrated privacy tools” you mean built-in controls that let you decide, site by site, whether cookies and browser storage are allowed, the strongest options are:

1. Firefox — best overall for granular control

Mozilla’s Firefox is my top choice if you specifically want to manage storage on a per-site basis.

• Its Cookies and Site Data exceptions let you specify individual sites as Block, Allow for Session, or Allow.
• You can inspect and remove stored data for individual sites.
• Total Cookie Protection automatically partitions cookies into site-specific “cookie jars,” substantially limiting cross-site tracking without requiring an extension.
• Its Enhanced Tracking Protection can be configured more aggressively than the default.

Verdict: Best if you want fine-grained, explicit per-domain control over cookies and persistent site data.

2. Brave — best privacy defaults + convenient per-site controls

Brave combines Chromium compatibility with unusually strong built-in privacy controls.

Its Shields can be changed independently for individual sites, including cookie blocking, script blocking, fingerprinting protection, and tracker blocking.

More importantly for your question, Brave's On-device site data control can prevent sites from saving data on your device—not merely cookies. Brave specifically describes this as covering storage beyond cookies. GitHub You can also inspect/delete data for an individual site.

Verdict: Probably the best choice if you want strong defaults and a simple per-site “privacy dial.”

3. Chrome — best if compatibility matters most

Google Chrome provides per-site Site Settings, where you can override permissions and manage stored site data without changing your global defaults.

It is perfectly capable of per-site cookie/site-data management, but its privacy model is less aggressively privacy-oriented than Firefox or Brave.

Verdict: Good for users who prioritize website compatibility and Google's ecosystem over maximum privacy.

4. Safari — excellent anti-tracking, less granular

Apple Safari has strong built-in cross-site tracking protection. Its website-data management lets you see and remove data belonging to individual websites, while its cookie controls can restrict third-party storage.

The tradeoff is that Safari doesn't give you quite the same breadth of per-site storage-policy exceptions as Firefox.

Verdict: Excellent if you're already in the Apple ecosystem, but Firefox wins for granular storage permissions.

My ranking for your specific requirement

1. Firefox — best granular per-site cookie + storage management
2. Brave — best combination of strong privacy defaults and easy per-site controls
3. Chrome — good controls, excellent compatibility
4. Safari — excellent anti-tracking, somewhat less configurable

One important distinction: cookies aren't the whole storage picture. localStorage, IndexedDB, service-worker caches, and other forms of site data can also identify or persist information about you. Brave explicitly treats “on-device site data” as broader than cookies, while Firefox provides controls over local site storage as well.

If your goal is “allow everything by default, but completely lock down selected sites—including localStorage/IndexedDB”, I'd choose Firefox or Brave, with Brave having the simpler interface and Firefox offering the more transparent exception model.

Verdict: Probably the best choice if you want strong defaults and a simple per-site “privacy dial.”

3. Chrome — best if compatibility matters most

Google Chrome provides per-site Site Settings, where you can override permissions and manage stored site data without changing your global defaults.

It is perfectly capable of per-site cookie/site-data management, but its privacy model is less aggressively privacy-oriented than Firefox or Brave.

Verdict: Good for users who prioritize website compatibility and Google's ecosystem over maximum privacy.

4. Safari — excellent anti-tracking, less granular

Apple Safari has strong built-in cross-site tracking protection. Its website-data management lets you see and remove data belonging to individual websites, while its cookie controls can restrict third-party storage.

The tradeoff is that Safari doesn't give you quite the same breadth of per-site storage-policy exceptions as Firefox.

Managing and restricting cookies and local storage (including IndexedDB and DOM storage) on a granular, per-site basis requires tools capable of intercepting and cleaning storage state dynamically. Because Google Chrome's transition to Manifest V3 heavily restricted background event-driven cookie/storage manipulation APIs, Mozilla Firefox currently offers the most powerful ecosystem for this specific need.

The top browser-integrated tools and extensions for per-site storage and cookie management rank as follows:

1. Forget Me Not (Firefox)

• Best for: Granular, automated lifecycle control over cookies and Local Storage.
• How it works: It allows you to set a default global behavior (e.g., wipe data instantly or when you leave a domain) while defining per-site exceptions. You can assign domains to preset behaviors: Never clean, keep for Session , or Forget (wipe cookies, local storage, and history as soon as the tab/domain is closed).
• Get it: Install via the Mozilla Add-ons Store.

2. Cookie AutoDelete (Firefox)

• Best for: Automated, tab-closure-based purging.
• How it works: Inspired by Self-Destructing Cookies , this tool automatically removes cookies and site data from a tab the moment you close it. It features a robust grey/white/blue-listing system so you can explicitly permit trusted domains to retain storage permanently or until an explicit browser restart. (Note: While historically available on Chrome, Manifest V3 constraints have broken or deprecated its automated Chrome functionality, making Firefox the optimal platform for it).
• Get it: Install via the Mozilla Add-ons Store.

3. Cookie Quick Manager (Firefox)

• Best for: Power users who want deep inspection and manual modification.
• How it works: Acts as an advanced manager letting you view, edit, backup, restore, and isolate cookies and local storage items per domain. It gives you raw control over local storage items with domain-level isolation tools if you need to surgically inject or destroy specific tracking keys.
• Get it: Install via the Mozilla Add-ons Store.

4. Native Browser Controls (Firefox & Chrome Built-in)

• Best for: Zero-extension setups.
• How it works:
  • Firefox: Go to Settings > Privacy & Security > Cookies and Site Data . You can manage exceptions per-site for blocking/allowing cookies and storage entirely, or use Firefox Multi-Account Containers to logically isolate site data by category (e.g., Shopping, Banking, Social).
  • Chrome: Go to Settings > Privacy and security > Site settings > Cookies and site data . You can add custom behavior lists for Allowed to use cookie data, Clear data when you close , and Not allowed to use cookie data.

If you'd like to narrow this down, let me know:

• Which browser you primarily use (Firefox, Chrome, Brave, etc.)
• Whether you prefer automatic deletion on tab close or manual permission prompts when a site tries to store data.