How to Allow or Block Pop-Up Windows and Redirects in Safari on Mac

While invasive advertising pop-ups and aggressive deceptive redirects are among the most irritating nuisances on the web, pop-up windows are not exclusively malicious. Many legitimate and critical web services—including online banking portals, tax preparation platforms, academic examination engines, medical patient portals, and payment gateway checkouts—rely on secondary browser pop-up windows to display receipts, verification prompts, and downloadable PDF statements.

When Safari blocks a pop-up silently on your Mac, essential workflows can grind to a halt without an obvious explanation. Fortunately, macOS Safari features granular security controls that allow you to block spam pop-ups globally while configuring permanent, domain-specific whitelist exceptions for trusted websites. This step-by-step tutorial explains how Safari handles pop-up windows and redirects, how to adjust global settings, how to grant instant one-click exceptions, and how to troubleshoot blocked portals.

How Safari Manages Pop-Ups and Redirects

Safari’s built-in security architecture handles pop-ups through three distinct operational states:

• Block and Notify: Safari suppresses the secondary window automatically, but displays an informative icon or banner in the Smart Search field letting you choose whether to open the blocked window manually.
• Block: Suppresses all secondary windows unconditionally without displaying a prompt.
• Allow: Permits the designated web domain to open pop-up windows, dialogue boxes, and redirect links freely.

How to Configure Global Pop-Up Blocker Settings in Safari

If you want to establish a standard baseline behaviour across all websites you visit:

1. Launch Safari on your Mac.
2. Click Safari in the top menu bar and select Settings… (or press Cmd + ,).
3. In the Settings window, click the Websites tab across the top navigation bar.
4. Scroll down the left-hand sidebar menu until you locate the Pop-up Windows category.
5. Look at the bottom right corner of the window for the dropdown labelled When visiting other websites:.
6. Choose your preferred default setting:
   • Block and Notify (Recommended): Blocks spam while alerting you when a legitimate window was stopped.
   • Block: Strict privacy mode that silences all pop-ups globally.
   • Allow: Disables pop-up blocking entirely across the browser (not recommended for general browsing).

How to Allow Pop-Ups for a Specific Trusted Website

If your bank, university, or payroll system requires pop-up access, you do not need to lower your browser security globally. You can whitelist only that specific domain using two simple methods.

Method 1: Whitelisting from the Active Browser Tab

1. Navigate to the specific website you want to whitelist in Safari.
2. Click Safari in the top menu bar, then click Settings for [Website Name]…. (Alternatively, right-click inside the Smart Search address bar and select Settings for This Website).
3. A contextual dropdown panel will float beneath the address bar.
4. Locate the Pop-up Windows row.
5. Click the dropdown menu beside it and change the selection from Block and Notify to Allow.
6. Click anywhere on the web page to dismiss the panel. Safari will instantly remember your preference for this domain across future sessions.

Method 2: Managing Configured Websites via the Central Settings Panel

1. Open Safari > Settings > Websites > Pop-up Windows.
2. The main panel displays two lists: Currently Open Websites and Configured Websites.
3. Locate the website domain in the list.
4. Click the dropdown menu next to its name and select Allow.
5. To remove an exception later, highlight the domain and click the Remove button at the bottom of the list.

How to Open a Blocked Pop-Up on the Fly

If you have Safari set to Block and Notify and a portal attempts to launch a new window:

1. Look closely at the right-hand edge of the Smart Search address bar.
2. A distinct icon depicting a miniature blocked window will appear temporarily.
3. Click this icon to view the blocked URL and select Open to view the requested document or authentication page immediately.

Managing Content Blockers and Third-Party Extensions

If a website’s pop-up window or redirect remains blocked even after setting the domain to Allow in Safari Settings, an external extension or ad-blocker may be interfering:

1. In Safari > Settings > Websites, click Content Blockers in the left sidebar.
2. Find the active website and toggle Content Blockers to Off for that domain.
3. Alternatively, click the puzzle piece extension icon in your Safari toolbar (such as AdGuard, 1Blocker, or Wipr) and select Pause on this site.
4. Refresh the web page (Cmd + R) to test whether the redirect executes smoothly.

Troubleshooting Persistent Redirect Loops and Intrusive Alerts

If a compromised website subjects your browser to endless deceptive redirect loops (such as fake virus warnings):

• Close the Tab Immediately: Press Cmd + W repeatedly or close the window without clicking any buttons inside the pop-up dialogue.
• Clear Website Cache and Cookies: Go to Safari > Settings > Privacy > Manage Website Data…, search for the offending domain, and click Remove to wipe stored tracking tokens.
• Enable Fraudulent Website Warning: Confirm that Warn when visiting a fraudulent website is enabled under Safari > Settings > Security to protect against known phishing vectors.