Overall Score
Counts only researched checks (YES, PARTIAL, or NO) — pending (TBD) checks are never scored as failures. Research coverage differs by vendor, so the number of answered checks per vendor can differ.
136 of 141 researched checks supported
141 of 142 checks researched · 1 still pending
141 of 142 researched checks supported
All 142 checks researched
Cloudflare vs Zscaler: Key Differences
Cloudflare scores 85 YES across 121 checks in 12 security topics, while Zscaler scores 99 YES. Cloudflare leads in Ease of Deployment, Global PoP Coverage & SLA, Unified Management & Reporting. Zscaler leads in 9 topics including AI/ML Traffic Security & Controls, BYOD Coverage, Digital Experience Monitoring. The widest gap is in Digital Experience Monitoring, where Zscaler scores 8/8 YES compared to Cloudflare's 4/8.
Score by Topic
| Topic | Cloudflare | Zscaler | Checks |
|---|---|---|---|
| AI/ML Traffic Security & Controls | 4/5 | 5/5 | 5 |
| BYOD Coverage | 5/8 | 7/8 | 8 |
| CASB & Shadow IT Discovery | 3/5 | 4/5 | 5 |
| Compliance Frameworks & Certifications | 4/5 | 5/5 | 5 |
| Digital Experience Monitoring | 4/8 | 8/8 | 8 |
| Ease of Deployment | 9/10 | 7/10 | 10 |
| Firewall as a Service (FWaaS) | 3/6 | 6/6 | 6 |
| GenAI DLP | 17/23 | 20/23 | 23 |
| Global PoP Coverage & SLA | 7/8 | 5/8 | 8 |
| IoT/OT Device Security | 1/5 | 4/5 | 5 |
| SD-WAN & Branch Office | 6/10 | 7/10 | 10 |
| Secure Web Gateway & URL Filtering | 4/5 | 5/5 | 5 |
| Threat Prevention | 9/12 | 12/12 | 12 |
| TLS Inspection on Mobile | 4/10 | 6/10 | 10 |
| Unified Management & Reporting | 8/10 | 7/10 | 10 |
| ZTNA for Private Apps | 10/12 | 11/12 | 12 |
Detailed Comparison by Topic
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Frequently Asked Questions
Is Cloudflare or Zscaler better for SASE?
Where does Cloudflare beat Zscaler?
Where does Zscaler beat Cloudflare?
Which is better for Digital Experience Monitoring: Cloudflare or Zscaler?
Which is better for Firewall as a Service (FWaaS): Cloudflare or Zscaler?
Which is better for GenAI DLP: Cloudflare or Zscaler?
How is the Cloudflare vs Zscaler comparison conducted?
Methodology
All answers are sourced from publicly available vendor documentation, knowledge base articles, press releases, and verified user reports. We do not rely on vendor marketing claims.
YES means the feature is confirmed working with documentation. PARTIAL means it works with significant caveats. NO means confirmed not supported. TBD means research is still in progress.