Quick Overview
- 1#1: Cisco Umbrella - Delivers DNS-layer web filtering and security to block malicious domains, phishing, and inappropriate content across networks.
- 2#2: Zscaler - Provides cloud-native secure web gateway with advanced filtering, threat prevention, and granular policy controls.
- 3#3: Netskope - Offers real-time web filtering, SSL inspection, and data protection in a unified SASE platform for enterprises.
- 4#4: Forcepoint Web Security - Hybrid web security solution that filters web traffic, enforces policies, and detects advanced threats.
- 5#5: WebTitan - Cloud-based web filter with customizable categories, AI-driven threat blocking for businesses and schools.
- 6#6: Qustodio - Comprehensive parental control suite featuring intelligent web filtering and safe search enforcement.
- 7#7: Net Nanny - Real-time content filtering software that analyzes and blocks inappropriate websites dynamically.
- 8#8: CleanBrowsing - DNS-based filtering service offering predefined and custom filters for security and content control.
- 9#9: NextDNS - Customizable DNS resolver with built-in web filtering, analytics, and privacy features.
- 10#10: Pi-hole - Open-source network-wide ad blocker configurable for domain-based web filtering and content control.
We ranked tools based on threat detection effectiveness, flexibility in policy management, user-friendliness, and overall value, ensuring a balanced selection of cutting-edge solutions.
Comparison Table
Web filtering software is critical for safeguarding networks, managing online activity, and enforcing security policies. This comparison table explores leading tools like Cisco Umbrella, Zscaler, Netskope, Forcepoint Web Security, WebTitan, and more, breaking down key features, performance, and suitability for diverse organizational needs. Readers will gain actionable insights to select the optimal solution based on their security goals, scalability, and budget.
| # | Tool | Category | Overall | Features | Ease of Use | Value |
|---|---|---|---|---|---|---|
| 1 | Cisco Umbrella Delivers DNS-layer web filtering and security to block malicious domains, phishing, and inappropriate content across networks. | enterprise | 9.6/10 | 9.8/10 | 9.3/10 | 9.1/10 |
| 2 | Zscaler Provides cloud-native secure web gateway with advanced filtering, threat prevention, and granular policy controls. | enterprise | 9.2/10 | 9.6/10 | 8.4/10 | 8.1/10 |
| 3 | Netskope Offers real-time web filtering, SSL inspection, and data protection in a unified SASE platform for enterprises. | enterprise | 8.8/10 | 9.4/10 | 8.1/10 | 8.2/10 |
| 4 | Forcepoint Web Security Hybrid web security solution that filters web traffic, enforces policies, and detects advanced threats. | enterprise | 8.8/10 | 9.3/10 | 7.8/10 | 8.2/10 |
| 5 | WebTitan Cloud-based web filter with customizable categories, AI-driven threat blocking for businesses and schools. | enterprise | 8.6/10 | 9.1/10 | 8.4/10 | 8.2/10 |
| 6 | Qustodio Comprehensive parental control suite featuring intelligent web filtering and safe search enforcement. | other | 8.1/10 | 8.5/10 | 8.0/10 | 7.6/10 |
| 7 | Net Nanny Real-time content filtering software that analyzes and blocks inappropriate websites dynamically. | other | 7.8/10 | 8.5/10 | 7.2/10 | 7.0/10 |
| 8 | CleanBrowsing DNS-based filtering service offering predefined and custom filters for security and content control. | other | 8.2/10 | 7.8/10 | 9.5/10 | 9.0/10 |
| 9 | NextDNS Customizable DNS resolver with built-in web filtering, analytics, and privacy features. | specialized | 8.4/10 | 9.2/10 | 7.6/10 | 9.1/10 |
| 10 | Pi-hole Open-source network-wide ad blocker configurable for domain-based web filtering and content control. | other | 7.8/10 | 7.5/10 | 6.0/10 | 9.5/10 |
Delivers DNS-layer web filtering and security to block malicious domains, phishing, and inappropriate content across networks.
Provides cloud-native secure web gateway with advanced filtering, threat prevention, and granular policy controls.
Offers real-time web filtering, SSL inspection, and data protection in a unified SASE platform for enterprises.
Hybrid web security solution that filters web traffic, enforces policies, and detects advanced threats.
Cloud-based web filter with customizable categories, AI-driven threat blocking for businesses and schools.
Comprehensive parental control suite featuring intelligent web filtering and safe search enforcement.
Real-time content filtering software that analyzes and blocks inappropriate websites dynamically.
DNS-based filtering service offering predefined and custom filters for security and content control.
Customizable DNS resolver with built-in web filtering, analytics, and privacy features.
Open-source network-wide ad blocker configurable for domain-based web filtering and content control.
Cisco Umbrella
enterpriseDelivers DNS-layer web filtering and security to block malicious domains, phishing, and inappropriate content across networks.
DNS-layer enforcement that protects users globally at the resolution stage, bypassing traditional proxy limitations for true zero-trust internet access
Cisco Umbrella is a leading cloud-delivered security platform specializing in DNS-layer web filtering and threat protection. It blocks access to malicious domains, phishing sites, and unwanted content categories such as malware, adult material, and productivity drains before connections are even established. With deep integration into enterprise networks, it provides real-time visibility, policy enforcement, and roaming protection for users on any device or location.
Pros
- Powered by Cisco Talos threat intelligence for unmatched accuracy in blocking over 1.4 million malicious domains daily
- Seamless deployment via simple DNS changes or IPsec tunnels, with native support for roaming users without VPN
- Advanced reporting, customizable policies, and integrations with SIEM, EDR, and identity providers
Cons
- Occasional false positives in category-based filtering requiring policy tweaks
- Premium pricing may not suit very small businesses or solo users
- Full proxy inspection and SSL decryption require add-on modules or integrations
Best For
Large enterprises, MSPs, and organizations with distributed workforces needing scalable, always-on web filtering and threat prevention.
Pricing
Custom enterprise pricing starting at ~$3-5 per user/month for DNS Security Essentials; higher tiers like SIG Advantage at $7+ per user/month, billed annually with volume discounts.
Zscaler
enterpriseProvides cloud-native secure web gateway with advanced filtering, threat prevention, and granular policy controls.
Inline AI sandboxing that detonates and analyzes unknown files in real-time across its global cloud proxy network
Zscaler is a cloud-native secure web gateway (SWG) platform that delivers advanced web filtering through its Zscaler Internet Access (ZIA) service, blocking malicious URLs, phishing sites, and inappropriate content in real-time. It leverages AI/ML-driven threat intelligence, TLS/SSL decryption, and sandboxing to inspect traffic inline without performance degradation. As part of a broader Zero Trust Exchange, it integrates seamlessly with other security services for comprehensive protection across distributed workforces.
Pros
- Massive global cloud footprint with 150+ data centers for low-latency filtering
- AI-powered advanced threat detection including sandboxing and behavioral analysis
- Scalable Zero Trust architecture integrates web filtering with SASE/SSE capabilities
Cons
- High cost suitable mainly for enterprises
- Steep learning curve for policy configuration in complex environments
- Limited customization for very niche filtering needs compared to on-premises solutions
Best For
Large enterprises and distributed organizations requiring scalable, cloud-delivered web filtering with integrated threat prevention.
Pricing
Custom enterprise pricing starting at ~$10-15 per user/month for ZIA Professional/Business bundles, billed annually with volume discounts.
Netskope
enterpriseOffers real-time web filtering, SSL inspection, and data protection in a unified SASE platform for enterprises.
NewEdge private cloud backbone with 70+ PoPs for ultra-low latency real-time web filtering and inspection
Netskope is a cloud-native Secure Access Service Edge (SASE) platform with advanced Secure Web Gateway (SWG) capabilities for web filtering. It provides real-time categorization of millions of web domains, granular policy enforcement based on users, groups, locations, and devices, and inspects encrypted SSL/TLS traffic to block malware, phishing, and unwanted content. Integrated threat intelligence and machine learning enhance its ability to detect zero-day threats and enforce compliance across hybrid workforces.
Pros
- Real-time SSL inspection and ML-powered threat detection for superior protection
- Global NewEdge network ensures low-latency filtering worldwide
- Granular, contextual policies with seamless integration into SASE ecosystem
Cons
- Enterprise pricing can be prohibitively expensive for SMBs
- Complex policy management requires expertise for full utilization
- Overkill for basic web filtering needs without broader security requirements
Best For
Mid-to-large enterprises needing scalable, cloud-native web filtering integrated with comprehensive threat protection and zero-trust access.
Pricing
Custom quote-based; typically $10-20 per user/month for SWG bundles, with tiers like Essentials, Advanced, and Elite.
Forcepoint Web Security
enterpriseHybrid web security solution that filters web traffic, enforces policies, and detects advanced threats.
TruThreat machine learning for dynamic, real-time detection of emerging web threats beyond static signatures
Forcepoint Web Security is an enterprise-grade web filtering solution that protects organizations from web-based threats, enforces internet usage policies, and prevents data loss through real-time URL categorization and threat detection. It categorizes over 140 million domains into more than 140 predefined categories, enabling granular access controls based on users, groups, time, and location. The platform supports cloud, on-premises, and hybrid deployments, integrating machine learning for zero-day threat blocking and SSL decryption for comprehensive visibility.
Pros
- Over 140 URL categories for precise policy enforcement
- Machine learning-driven real-time threat intelligence and zero-day protection
- Flexible deployment options including cloud, on-prem, and hybrid
Cons
- Complex setup and management requiring IT expertise
- High cost unsuitable for small businesses
- Potential for false positives in aggressive filtering modes
Best For
Mid-to-large enterprises needing robust, scalable web filtering with advanced threat protection and compliance features.
Pricing
Quote-based enterprise pricing; typically $30-60 per user/year depending on deployment and features.
WebTitan
enterpriseCloud-based web filter with customizable categories, AI-driven threat blocking for businesses and schools.
Gamification Engine that rewards students for safe browsing to encourage compliance
WebTitan is a versatile cloud-based web filtering solution from TitanHQ designed to block malicious websites, phishing attacks, and inappropriate content across networks. It supports multiple deployment options including DNS filtering, full web gateway, and hybrid setups, with over 90 customizable categories and AI-driven threat detection. The platform provides detailed reporting, YouTube education filtering, and gamification features tailored for schools and businesses.
Pros
- Comprehensive 90+ filtering categories with AI threat intelligence
- Multiple deployment options including cloud, on-premise, and DNS
- Robust reporting and gamification for user engagement in schools
Cons
- Pricing can escalate for larger deployments or advanced features
- Interface may feel cluttered for new users
- Limited free trial duration and setup complexity for on-premise
Best For
Small to medium-sized businesses, schools, and MSPs seeking flexible, scalable web filtering without heavy hardware investment.
Pricing
Starts at ~$0.75/user/month for cloud DNS filtering (billed annually); gateway editions from $2/user/month; custom quotes for enterprises.
Qustodio
otherComprehensive parental control suite featuring intelligent web filtering and safe search enforcement.
Safe Search enforcement on Google, Bing, YouTube, and other engines to prevent explicit results
Qustodio is a parental control platform with strong web filtering features designed to block inappropriate websites and protect children online. It categorizes content into over 30 predefined filters like pornography, violence, and social networks, while allowing custom allow/block lists and Safe Search enforcement on major search engines. The software delivers detailed activity reports, real-time alerts, and cross-device synchronization for comprehensive monitoring.
Pros
- Over 30 customizable web content categories for precise filtering
- Real-time alerts and detailed usage reports
- Seamless multi-device support across Windows, Mac, iOS, and Android
Cons
- Free version lacks advanced filtering and reports
- Occasional false positives in category blocking
- Higher pricing tiers needed for larger families
Best For
Parents managing multiple children's devices who need reliable category-based web filtering with monitoring reports.
Pricing
Free basic plan; Premium from $54.95/year (5 devices) to $99.95/year (unlimited devices); Family plan $137.95/year.
Net Nanny
otherReal-time content filtering software that analyzes and blocks inappropriate websites dynamically.
Patented real-time content shadowing technology that scans and filters web pages dynamically beyond simple URL blocking
Net Nanny is a veteran parental control solution focused on web filtering, using proprietary real-time content analysis to block inappropriate websites, pornography, and explicit material across devices. It categorizes millions of web pages dynamically and provides customizable filters for over 20 content categories, including drugs, violence, and social media. Beyond filtering, it includes screen time limits, app blocking, location tracking, and family activity reports for comprehensive child online safety.
Pros
- Exceptional real-time porn and explicit content detection with low false negatives
- Highly customizable filters and detailed activity reporting
- Strong cross-platform support for Windows, Mac, Android, and iOS
Cons
- Setup and configuration can be complex for non-tech-savvy users
- Subscription pricing feels steep compared to some competitors
- Occasional false positives block legitimate educational sites
Best For
Parents of school-age children needing advanced, customizable web filtering on multiple family devices.
Pricing
Starts at $39.99/year for 1 device, $54.99/year for 5 devices, $89.99/year for 10+ devices; 14-day free trial available.
CleanBrowsing
otherDNS-based filtering service offering predefined and custom filters for security and content control.
Transparent DNS filtering that applies network-wide without any client software or configuration hassles
CleanBrowsing is a DNS-based web filtering service that blocks access to malicious domains, adult content, and other inappropriate sites by routing traffic through its secure DNS resolvers. It offers pre-configured filters like Family, Adult, and Security, suitable for home, school, or business use. Setup is simple, involving only a DNS server change on routers or devices, providing network-wide protection without software installation.
Pros
- Extremely simple setup with just DNS changes, no apps needed
- Free filters provide solid basic protection for families and security
- Network-wide coverage across all devices and OS
Cons
- Easily bypassed using VPNs, Tor, or custom DNS apps
- Limited reporting, logging, and customization in free/basic plans
- DNS-only approach lacks advanced controls like time-based or app-specific blocking
Best For
Families, small businesses, or schools needing quick, low-cost basic web filtering without technical expertise.
Pricing
Free public filters; paid plans start at $60/year for custom filters, with enterprise options at $2.50/user/month.
NextDNS
specializedCustomizable DNS resolver with built-in web filtering, analytics, and privacy features.
Per-device and location-based profiles for hyper-granular filtering rules
NextDNS is a cloud-based DNS resolver that provides robust web filtering by blocking ads, trackers, malware, phishing sites, and custom categories at the DNS level across all devices. It offers granular control through thousands of predefined blocklists, custom allow/block rules, parental controls, and per-device profiles. Users benefit from real-time analytics, query logs, and privacy features like no-logging policies.
Pros
- Extremely customizable filtering with 100+ blocklists and regex support
- Works seamlessly on any device or network via simple DNS changes
- Detailed real-time logs, analytics, and threat intelligence
Cons
- DNS-level filtering only; cannot inspect HTTPS content deeply
- Router-level setup requires some technical knowledge
- Free tier limited to 300k queries/month, which may suffice for individuals but not heavy users
Best For
Tech-savvy users, families, or small teams needing flexible, privacy-focused DNS-based web filtering without dedicated hardware.
Pricing
Free up to 300k queries/month; Pro at $1.99/month or $19.90/year (unlimited queries); Business plans from $2.99/month.
Pi-hole
otherOpen-source network-wide ad blocker configurable for domain-based web filtering and content control.
Network-wide DNS sinkholing that blocks unwanted domains before they reach any device
Pi-hole is an open-source network-level ad blocker that functions as a DNS sinkhole, preventing ads, trackers, and malicious domains from loading across all devices on a local network. It excels in web filtering by leveraging community-maintained blocklists to block unwanted content at the DNS resolution stage. A web-based dashboard provides insights into blocked queries, query logs, and long-term statistics for monitoring effectiveness.
Pros
- Completely free and open-source with no licensing costs
- Network-wide protection for all connected devices
- Highly customizable via thousands of community blocklists
Cons
- Requires technical setup on Linux/Raspberry Pi hardware
- DNS-based blocking can be bypassed with DoH/DoT or VPNs
- Lacks advanced category-based filtering like porn or social media controls
Best For
Tech-savvy home users or small networks seeking a free, DIY solution for ad and basic malware domain blocking.
Pricing
Free (open-source software; optional donations)
Conclusion
The reviewed web filtering tools offer diverse solutions, with the top three standing out for their comprehensive features, but Cisco Umbrella leads as the top choice, excelling in DNS-layer security and across networks. Zscaler impresses with its cloud-native approach and granular controls, while Netskope shines through its unified SASE platform for advanced enterprises. Each tool caters to distinct needs, ensuring there’s a fit for both general and specialized filtering requirements.
To experience robust, reliable web filtering, start with the top-ranked tool—Cisco Umbrella—to block threats and protect networks effectively, whether for small businesses, schools, or large enterprises.
Tools Reviewed
All tools were independently evaluated for this comparison
