Cloudflare Performance Overview

Cloudflare Performance Services accelerate applications, improve mobile delivery, and ensure availability for Internet applications.

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Accelerate Internet Applications

Heavy pages and long distances from the origin slow down Internet applications. Deliver fast, rich user experiences for Internet applications that optimize engagement, increase conversions, and reduce costs.


  • Anycast Network
  • CDN
  • DNS
  • Load Balancing
  • Web Content Optimizations
  • Argo Smart
  • Routing Railgun™
  • China Network
  • Stream

Improve Mobile Experiences

Mobile clients introduce performance and content delivery constraints which hurt user experiences. Deliver fast mobile experiences that increase engagement and conversions, regardless of distance to origin servers, device types, or network health.


  • Anycast Network
  • DNS
  • CDN
  • Web Content Optimizations
  • Argo Smart Routing
  • Mobile Optimizations (Mirage)
  • AMP
  • Mobile SDK
  • Railgun™
  • China Network

Ensure Application Availability

Overloaded or unavailable infrastructure prevents users from accessing applications. Keep Internet applications fast, available, and scalable, even during unexpected traffic spikes or infrastructure outages.


  • Anycast Network
  • Content Delivery Network (CDN)

  • Load Balancing
  • Heuristic-Based Mitigation
  • Web Application Firewall (WAF)
  • Rate Limiting

Cloudflare Performance Services

Anycast Network

With 150+ data centers across 60+ countries and 15 Tbps of capacity, Cloudflare’s Anycast network caches static content at the edge, reducing latency by delivering assets as close as geographically possible to visitors.


Cloudflare’s DNS shaves crucial milliseconds off requests for a DNS lookup. Because DNS query time could occur for every request, latency from DNS servers can slow down a site. Cloudflare’s DNS is the world’s fastest managed DNS provider, according to

Support for Web Standards

TLS 1.3 with 0-RTT resumption reduces the amount of time for each “handshake” to establish a secure connection. HTTP/2 compresses the headers, making each payload smaller, allows a single connection to multiplex several requests in parallel, reducing the performance “expense” of total handshake round trips.

Content Delivery Network (CDN)

Enables applications to continue to serve static content, even when their origin servers are unavailable. Reduces risk of downtime by keeping requests for static content off the origin.

Web Content Optimization

Cloudflare includes a suite of web optimizations to improve the performance of Internet assets. Optimizations include the latest web standards, such as HTTP/2 and TLS 1.3, as well as proprietary enhancements for images and mobile device visitors.

Argo Smart Routing

Smart routing finds the fastest, least congested path, from the visitor to the origin and accelerates how traffic is sent within the Cloudflare network. By sampling round trip times along the Cloudflare network, Argo intelligently routes traffic to ensure performance delivery of dynamic content from the origin.


Accelerates dynamic or uncacheable content by compressing responses from the origin with an agent on the server.

China Network

With 21 data centers in China, Cloudflare accelerates and protects the delivery of content to customers in China, which has nearly 1.5 billion mobile users, 75% of whom access the Internet through their mobile device.

Load Balancing

Uses global health checks to identify offline origin server in order to route traffic to another online server or data center to ensure application availability. Automatic failover minimizes downtime, and alerts on down origins speed up problem discovery and failure resolution.

Mobile Optimizations (Mirage)

Enhances Cloudflare’s web content optimization for mobile users by “virtualizing” images—sending them initially as a lower-resolution—and consolidating them into a single request.


Cloudflare Stream makes streaming video easy by handling data storage, media encoding, content embedding and playing, regional delivery, and analytics.

Mobile SDK

Mobile SDK provides developers with network metrics that allow them to measure the impact of cellular network congestion and latency on mobile app performance. Cloudflare’s proprietary ‘ASAP’ protocol, built into Mobile SDK, ensures fast mobile experiences.


Anycast Network and Intelligence

Cloudflare’s global Anycast network of 150+ data centers across 60 countries reduces latency and time to first byte, through its integrated stack of performance features within each data center.

Ease Of Use

Setting up Cloudflare takes as little as 5 minutes. The easy-to-use dashboard enables quick configuration of fine-grained functionalities to improve the performance of Internet applications.

Integrated Security and Performance

Cloudflare includes integrated security services to defend against DDoS attacks, customer data breaches, and abusive bots, while preventing performance trade-offs.

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