To block websites reliably, first decide where the rule should apply: across a network, inside one browser, for one managed account, or on an entire device. The best method is the narrowest control that still covers the real problem.
Start with scope, not a blocklist
A website block fails when the control is installed in one place but the unwanted path exists somewhere else.
- Many devices: Use DNS when blocking the entire domain across a household, guest network, or device group.
- One browser: Use a browser control when the rule is local, scheduled, or limited to web browsing.
- One person or device: Use account or device controls for apps, time, purchases, permissions, and managed profiles.
Choose the blocking layer
Choose DNS for a whole domain, browser controls for browser-only behavior, and device or account controls when the rule follows a person, app, schedule, or managed device.
| Method | Best scope | Useful for | Watch for |
|---|---|---|---|
| DNS filtering | Network, device, or profile | Whole domains and categories | Alternate DNS, VPNs, mobile data |
| Browser extension or policy | One browser or managed browser | Specific sites, schedules, focus | Other browsers and easy removal |
| Family or account control | Managed person and supported apps | Approvals, search, age settings | Platform and account limits |
| Operating-system control | One managed device | Apps, time, permissions, purchases | Device-specific setup |
| Managed web filter | Organization-controlled traffic | URLs, web categories, files, actions | Deployment, inspection, and privacy cost |
Block a whole website with DNS
DNS filtering is the simplest broad option when every page on a domain should be unavailable and the devices can be kept on the intended resolver.
Add the domain to a block rule or choose an appropriate category, assign that policy to the intended network, device, or profile, and test it. DNS blocks the hostname lookup, so it usually affects browsers and apps that connect to that domain. It does not need to understand the page itself.
DNS cannot reliably block one page while allowing another page on the same hostname. It may also miss a device that uses mobile data, a VPN, a private relay, or browser secure DNS pointed at another resolver. A whole-home router rule is broad on that network but does not automatically follow a phone away from Wi-Fi.
Block sites in a browser
A browser extension, managed browser policy, or child-account browser setting is useful when the rule belongs only in web browsing or needs a schedule, request flow, or narrower URL match.
Browser blockers are often a good personal-focus tool because they can pause a distracting site during work without changing every app and device. Managed Chrome policies can block or allow URLs, while Google Family Link can allow or block specific sites in Chrome for a supervised child account on supported devices.
The boundary is the browser. Another installed browser, an in-app web view, or a native app may not use the same rule. Extensions can also be disabled unless the browser or device is managed. Use a browser control because its narrower scope is the desired behavior, not because it appears to cover the whole device.
Use device and account controls for broader behavior
Device and family-account controls are the right owner when blocking a website is part of a wider rule about apps, time, purchases, search, age settings, or account permissions.
Google Family Link can manage approved and blocked sites for a supervised child in Chrome and some Android contexts. Microsoft Family Safety combines website and search filters with app, game, time, and purchase controls, but its web filtering depends on supported Microsoft account and Edge use. Other operating systems and browsers have their own boundaries.
Those controls can provide stronger ownership than an optional extension, yet they are not automatically network-wide. A smart TV, console, guest device, or another account may remain outside the policy. Many households combine family account controls with a simple DNS baseline for shared devices.
A general website-blocking workflow
Define the site, people, devices, browsers, networks, and times in scope; choose one owning control; test an expected block and normal use; then document recovery.
A layered setup should still have one owner for each decision. If DNS and a browser extension both block the same destination, a person may remove the wrong rule while troubleshooting. Keep the reason visible and change one layer at a time.
- Write the outcome: whole domain, one page, one browser, one child account, one device, or a schedule.
- List alternate paths: native app, another browser, cellular data, VPN, guest Wi-Fi, or another account.
- Choose the narrowest control that covers every required path.
- Apply one clear rule before adding broad categories or several overlapping blockers.
- Test the blocked site and important allowed sites in the real browser, app, device, and network.
- Write down who can review a mistake, how to add a narrow exception, and how to roll back.
Verify the block without overblocking
A successful test proves the intended site is blocked in the intended context and required sites still work. It does not prove every bypass path is covered.
Test both the main domain and relevant subdomains. A rule for one exact hostname may not include a regional domain, image host, login host, or mobile endpoint. Avoid responding by blocking every related domain: shared content delivery, authentication, updates, and embedded services can break unrelated sites.
For family rules, make the review path visible. For personal focus, make the block easy to undo deliberately rather than easy to bypass impulsively. For teams, name an owner, use narrow exceptions, and avoid treating DNS or browser activity as a productivity score.
Veilty fits the DNS part of this decision: domain-level rules for configured devices, with shared policy organized in Spaces or Tenants. It does not replace browser, app, account, or operating-system controls.
Frequently asked questions
What is the easiest way to block a website?
For one browser, a browser control is often the smallest change. For a whole domain across many devices, DNS filtering is usually broader. Choose based on scope, not only setup speed.
How do I block websites on a phone?
Use a family or operating-system control when the rule should follow the phone or account. Use configured DNS when the goal is whole-domain filtering across browsers and many apps, and test Wi-Fi and mobile data separately.
Can I block a website in every browser?
A DNS or device-level rule can be broader than one extension, but coverage still depends on resolver, VPN, account, and device settings. Test every browser that matters.
Why did blocking one website break another?
The sites may share login, media, analytics, or content-delivery domains. Review the exact blocked hostname and add only the narrow exception needed.