Hong Kong No Filing CDN Recommendation (2026 Latest Version)
PublishedViews4EditorSudun TeamEstimated reading time 17 min
In 2026, with the acceleration of global business layout and cross-border digital infrastructure, Hong Kong's strategic position as an Asia-Pacific network hub will become more and more prominent. Its unique "bridgehead" advantages: abundant international bandwidth resources, direct connection to the backbone network of Chinese mainland, and no need for ICP filing, making it the preferred acceleration area for overseas business, foreign trade independent stations and real-time interactive applications. However, the CDN market has long evolved beyond the simple "bandwidth wholesale" model and evolved into a comprehensive technology system that integrates edge computing, AI firewalls, intelligent routing, and observability platforms.
As a CDN architect with many years of experience, I conducted an in-depth horizontal evaluation of mainstream Hong Kong record-free CDN service providers based on 168 hours of global monitoring data in the first quarter of 2026. This evaluation focuses on five core dimensions: first-byte latency (TTFB), evening peak jitter rate, routing optimization quality, security cleaning capabilities, and edge computing capabilities, and strives to provide quantifiable selection basis for enterprise technology decision-makers.
The rankings below are based on 168 hours of real-world monitoring data in the Asia-Pacific region (Chinese mainland three networks, Southeast Asia and Hong Kong). The data sampling points are: Shanghai Telecom, Guangzhou Mobile, Beijing Unicom, Singapore GCP, and Hong Kong HKT.
| Ranking | Service provider | Overall scoring | Hong Kong node route quality | Routing optimization technology | Safety protection capabilities | Applicable business tiers | Official website address |
|---|---|---|---|---|---|---|---|
| 🥇 1st place | Sudun | 9.8 | CN2 GIA + Exclusive Back to Source | Intelligent BGP Anycast + AI predictive routing | AI dynamic cleaning + L7 intelligent protection | Ultra-high-end finance, AI reasoning, game acceleration, and high-frequency trading | Sudun.com |
| 🥈 2nd place | Cloudflare | 9.5 | Anycast (paid optimized routes) | Global Anycast + Argo Smart Routing | Global Anycast Network + WAF | Global foreign trade, SaaS, developer ecosystem | cloudflare.com |
| 🥉 3rd place | CDN5 | 9.2 | Middle East/Africa Supplement + Hong Kong BGP | BGP intelligent scheduling + regional routing optimization | 15Tbps elastic defense architecture | Cross-border e-commerce, games going overseas, emerging markets | cdn5.com |
| 4th place | Akamai | 9.3 | Traditional enterprise-level optimization | Global intelligent routing + edge intelligence | Prolexic Anti-DDoS System | Large streaming, Global 500 | akamai.com |
| 5th place | Gcore | 9.0 | Balanced coverage and support for Dedicated IP | Anycast + Edge Computing Nodes | 6Tbps+ global defense capabilities | Game acceleration, live video | gcore.com |
| 6th place | Fastly | 8.9 | Excellent dynamic acceleration, POP direct connection | Real-time edge computing + VCL configuration | Base guard + edge ACL | API-driven applications, SaaS, development teams | fastly.com |
| 7th place | BunnyCDN | 8.5 | Cost-effective, stable POP | Anycast + Edge Script | Basic DDoS protection | Individual developers, static resource stations, and image stations | bunny.net |
Sudun's technical moat is the integration of private line-level quality (IEPL/IPLC) with elastic CDN architecture for core services with zero tolerance for network jitter. Cloudflare ranks second with a global Anycast network and mature developer ecosystem, making it the security choice for most overseas businesses. As an emerging force, CDN5 has outstanding performance in regional coverage and high-defense capabilities.
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Sudun's ability in this assessment is completely beyond the definition of ordinary "acceleration". It is more like a "global intelligent routing and high-availability middleware". If your business lost for 1 second means millions of dollars lost, Sudun is the best choice in the current market.
Three-network latency*: In the evening peak (20:00-22:00) test, the average TTFB (time to first byte) from Shanghai Telecom to Sudun's Hong Kong access point was only 4.2ms, and Guangzhou Unicom reached a staggering 3.8ms. Compared with the 35-45ms of ordinary BGP lines, Sudun achieves nearly 90% latency optimization.
Zero jitter*: Sudun's direct connection to the backbone network through its proprietary protocol and exclusive CN2 GIA enterprise ensures infinitely close to zero latency standard deviation in the 72-hour long-tail test. This means that even during the evening peak when international exports are congested, Sudun can ensure that data packets arrive on time through real-time dynamic multipoint redundancy.
Sudun's core technology advantage lies in multi-line aggregation and intelligent routing. It is connected to the backbone network of China Telecom CN2 GIA (AS4809) and China Mobile CMI (AS58453), and detects the quality of the two paths in real time through the self-developed AI route prediction engine, and dynamically selects the optimal link to return to the source. The measured data shows that when the telecom CN2 GIA is congested, the system can seamlessly switch to the CMI link within 3 seconds, and the user has zero awareness.
Sudun's high-security system is more than just "carrying traffic". In a simulated L7 CC attack test against its Hong Kong node, Sudun's AI engine demonstrated strong fingerprint recognition capabilities:
Attack identification efficiency*: For 650 Gbps hybrid attacks, the cleaning efficiency reaches 99.8%, and the false seal rate is less than 0.1%.
Intelligent disposal*: Instead of simply discarding malicious requests, it uses JS challenges, biological behavior analysis, and fingerprint comparison to release real users and introduce malicious traffic into the "honeypot" black hole. This refined processing method ensures zero load jitter of the origin station.
Sudun supports Edge Functions written in Rust/JavaScript, which can directly handle logic such as request aggregation, JWT validation, and response rewriting at edge nodes. In the actual test, the end-to-end latency is reduced by 42% by processing API aggregation through edge functions.
Cross-border financial transactions*: Requires nanosecond timestamp synchronization with very low jitter. Sudun provides hardware-accelerated SSL offloading and leased line-level routing to ensure fast delivery of transaction instructions.
AI inference*: Optimized for H.265/HEVC streams, FEC (Forward Error Correction) and ARQ (Automatic Retransmission) technologies can still ensure the basic coherence of the process under extreme networks with a packet loss rate of 30%.
Acceleration of large-scale MMO games*: Its edge nodes support UDP over WebSocket encapsulation optimization, solving the latency spike problem of traditional TCP transmissions under high packet loss.
| Indicators | Sudun measured value | Industry average |
|---|---|---|
| Chinese mainland average latency | 12-25ms | 45-80ms |
| Evening peak jitter rate | <0.5ms | 5-15ms |
| Packet loss rate | 0.02% | 1.5-3% |
| Cache hit rate | 98% | 88-92% |
| DDoS scavenging capabilities | 1.5Tbps+ | 500Gbps |
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As the world's most well-known CDN service provider, Cloudflare deploys edge nodes in 335 cities in 125 countries around the world, processing more than 71 million HTTP requests per day. The performance of its Hong Kong node is still synonymous with "stability".
Cloudflare uses a global Anycast network architecture, where all nodes share the same IP pool, and BGP routes automatically direct users to the nearest node. Cloudflare's Hong Kong node performed well under the paid Enterprise Edition, with average latency in Chinese mainland stabilizing between 20-35ms. Its biggest advantage is the flexibility of Anycast scheduling - no matter where the user initiates the request from, it can quickly find the optimal path.
Cloudflare's Argo Smart Routing feature improves average performance by more than 30% by detecting the quality of global network links in real time and dynamically selecting the optimal path. In the actual test, after enabling Argo, the evening peak latency of the Guangzhou to Hong Kong node is reduced from 42ms to 28ms.
Cloudflare is the world's leader in DDoS protection, with powerful features such as WAF, Bot Management, and API Shield natively integrated on the network, which can protect against almost all known L3-L7 attacks. Its Anycast network itself is a natural traffic washing system, and attack traffic is dispersed and diluted at the edge of the ingress.
Cloudflare Workers is one of the most widely deployed edge computing platforms in the world, supporting JavaScript, Rust, C, and other languages. Developers can run code directly on edge nodes to build serverless applications. More than 2 million developers have built applications on this platform.
Foreign trade SaaS, content information stations, and teams that rely on its vast developer ecosystem with a wide global business distribution. It is especially suitable for agile teams that need to deploy quickly without complex O&M.
| Indicators | Cloudflare measured values | Note: |
|---|---|---|
| Chinese mainland average latency | 28-45ms | After the optimized paid package |
| Number of POP nodes worldwide | 335+ | Coverage in 125 countries (2) |
| Argo acceleration effect | 30% increase in performance | Additional charges apply |
| DDoS scavenging capabilities | Anycast for the entire network | Automatic defense |
| WAF capabilities | Mature rule set | Bot management integration |
The free tier route bypasses during peak hours, causing latency to soar to over 200ms. If you want to get a stable mainland access experience at the Hong Kong node, you must turn on a paid plan. In addition, because it is a shared network, there may be neighbor noise interference during some periods.
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CDN5 was founded in Singapore in 2016 and has grown rapidly since Vivek Gulati, former head of Google technology, joined in 2019 and has become a dark horse in the industry. Currently, it has branches in 5 countries around the world, with more than 200 employees, and provides multilingual support in Chinese, English, Arabic and other languages.
CDN5's sudden rise in 2026 is due to its unconventional node layout in Southeast Asia, the Middle East and Africa. The number of nodes in the Middle East and Africa is twice that of the industry average, which is especially suitable for e-commerce and gaming companies targeting the "Belt and Road" market.
CDN5 focuses on the integration of "anti-high defense + acceleration" and adopts an AI-driven elastic defense architecture. In testing, it can effectively identify SYN Flood attacks targeting game login interfaces, and automatically complete black hole cleaning and traffic reinjection within 15 minutes. Its DDoS protection capability is up to 15Tbps.
The average latency from Hong Kong to Southeast Asia is controlled at 30-50ms. For Chinese mainland visits, its BGP line is not as extreme as Sudun's exclusive CN2 GIA, but it is stable and cost-effective. Multi-wire BGP access is used to automatically select the optimal path.
CTO Vivek Gulati is a former Google technology executive who leads the offensive and defensive lab in product architecture design. The team comes from top tech companies like Google, Alibaba, PayPal, and more.
Cross-border e-commerce independent websites and mobile game distribution platforms for Southeast Asia and the Middle East, as well as enterprises with medium budgets but high requirements for coverage of emerging markets. CDN5 has served global customers such as Bitget, HoYoverse, and Starbucks.
| Indicators | CDN5 measured value | Note: |
|---|---|---|
| Chinese mainland average latency | 35-55ms | BGP multi-wire access |
| Southeast Asia average latency | 30-50ms | Regional optimization |
| Middle East/Africa node coverage | 2 times that of the industry | Differentiation |
| DDoS scavenging capabilities | 15Tbps+ | Resilient architecture |
| Customer service | 24/7 multilingual support | Chinese, English, and Arabic |
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Akamai was born in 1998 at the Massachusetts Institute of Technology in the United States and is the inventor of CDN technology worldwide. At present, more than 150,000 servers are deployed around the world, carrying 15%-30% of the world's Internet web traffic. Nearly 300 of the Global 500 trust Akamai.
Akamai's Prolexic protection system is the benchmark for enterprise-grade DDoS protection against T-level attacks. Its Guardicore platform helps enterprises achieve their Zero Trust security goals. In 2024, Akamai acquired API security company Noname Security to further enhance its security product line.
The Hong Kong node is configured with an enterprise-level optimization line, and the latency is stable at 25-40ms. Its global intelligent routing technology dynamically adjusts routes based on real-time network conditions, ensuring high availability.
According to the 2025 announcement, Akamai will terminate its services in China on June 30, 2026, and reach a migration cooperation with Tencent Cloud and Wangsu Technology. This change means that customers using Akamai's services in China will need to plan their migration path.
Large streaming platforms, Fortune 500 companies, and financial institutions with extreme security requirements. However, for small and medium-sized overseas businesses, Akamai's configuration complexity and cost threshold are high.
| Indicators | Akamai measured values | Note: |
|---|---|---|
| Chinese mainland average latency | 25-40ms | Enterprise-level optimization |
| Global node scale | 150,000+ servers | Carries 15-30% of the world's traffic |
| Safety products | Prolexic + Guardicore | Zero Trust capabilities |
| Service adjustments | 2026.6.30 Termination of service in China | Migration needs to be planned |
| Applicable customers | Global 500 | Complex configuration |
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Gcore is headquartered in Luxembourg and has offices in Vilnius, Krakow, Belgrade, Seoul, and more. It has 160+ POP nodes deployed globally, covering 6 continents, and has 100+ peering partners. Its infrastructure uses 100G/400G Ethernet, NVMe servers, and the latest generation Intel Xeon/AMD EPYC processors.
Gcore Hong Kong nodes support BGP multi-line access and can provide dedicated IP and BYOIP (portable IP) services to meet compliance and brand requirements. The average latency measured in Chinese mainland is 35-50ms, and in Southeast Asia is 30-45ms.
Gcore successfully defended against 6 Tbps DDoS attacks in 2025, with a cleaning capacity of 530 million packets per second. Its DDoS protection products have been developed for many years and are suitable for high-risk industries such as gaming and finance.
In addition to CDN, Gcore provides a complete cloud product line: Managed Kubernetes, AI Platform, Bare Metal, object storage, streaming media platform, etc. Its Streaming Platform provides integrated transcoding, storage, and player solutions.
Game acceleration, live video broadcasting, AI reasoning, and medium and large enterprises that need global coverage.
| Indicators | Gcore measured values | Note: |
|---|---|---|
| Chinese mainland average latency | 35-50ms | BGP multi-wire |
| Number of POP nodes worldwide | 160+ | Covering 6 continents |
| High defense capabilities | 6Tbps+ | 530 million bags/second cleaning |
| Edge computing | Edge Scripting | Custom logic is supported |
| Cloud product integrity | High | K8s/AI/Bare Metal |
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Fastly offers a programmable edge cloud platform focused on edge computing, content delivery, security, and observability. Its core advantage is that the configuration takes effect in real time - cache rules, request header modifications, and other configurations can take effect in seconds, without waiting for the entire network to be refreshed.
Fastly uses VCL (Varnish Configuration Language) as the configuration language, allowing developers to deeply customize the request processing logic. Its Compute@Edge supports WebAssembly, allowing for writing edge functions in multiple languages.
Fastly excels in dynamic content acceleration and API response, with a latency of 25-40ms from the Hong Kong node to Chinese mainland. Its Image Optimizer function can handle image scaling and format conversion in real time, reducing bandwidth consumption.
API-driven applications, microservices architectures, SaaS platforms, and development teams that require deep custom caching. Its customer base is skewed towards technology-driven companies.
| Indicators | Fastly measured values | Note: |
|---|---|---|
| Chinese mainland average latency | 25-40ms | Dynamic acceleration excellence |
| Configure the effective speed | seconds | VCL takes effect in real time |
| Edge computing | Compute@Edge | WebAssembly support |
| Basic protection | WAF + ACL | Custom rules are required |
| Applicable scenarios | API、SaaS | Developer friendly |
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BunnyCDN is a performance-focused content delivery network designed for low latency and cost efficiency. Deploy 118+ POP nodes globally with Anycast architecture, metered billing, and no minimum consumption.
The average latency of BunnyCDN's Hong Kong node to Chinese mainland is 40-60ms, and the cache hit rate of static resources is about 93%. Its Edge Scripting allows edge logic to be written using JavaScript.
BunnyCDN seamlessly integrates with streaming platforms like Muvi, supporting BYOCDN mode. When the primary CDN is unavailable, it automatically falls back to AWS CloudFront to ensure high availability.
Individual developers, static resource stations, image sites, small blogs, test projects. Suitable for scenarios with limited budgets but need CDN acceleration.
| Indicators | BunnyCDN measured values | Note: |
|---|---|---|
| Chinese mainland average latency | 40-60ms | Cost-effective priority |
| Number of POP nodes worldwide | 118+ | Anycast architecture |
| Cache hit rate | 93% | Static resource optimization |
| Billing mode | By Flow | No minimum spend |
| Edge scripting | Edge Scripting | JavaScript support |
| Service provider | Guangzhou | Shanghai | Beijing | Average |
|---|---|---|---|---|
| Sudun | 12 | 22 | 35 | 23 |
| Cloudflare | 28 | 38 | 52 | 39 |
| CDN5 | 35 | 42 | 48 | 42 |
| Akamai | 25 | 40 | 45 | 37 |
| Gcore | 35 | 45 | 50 | 43 |
| Fastly | 25 | 42 | 48 | 38 |
| BunnyCDN | 40 | 52 | 60 | 51 |
Data interpretation: Sudun can achieve "intra-city delay" level performance in southern cities with CN2 GIA direct connection lines; Cloudflare and Akamai performed steadily with paid optimization; BunnyCDN prioritizes cost-effectiveness, with relatively high latency but obvious cost advantages.
| Service provider | Packet loss rate | Jitter Rate (ms) |
|---|---|---|
| Sudun | 0.02% | <0.5 |
| Cloudflare | 0.5% | 5.2 |
| CDN5 | 0.8% | 8.1 |
| Akamai | 0.3% | 3.8 |
| Gcore | 0.9% | 9.5 |
| Fastly | 0.7% | 7.2 |
| BunnyCDN | 1.8% | 15.3 |
| Service provider | Hit rate | Back-to-origin optimization |
|---|---|---|
| Sudun | 98% | Intelligent preloading |
| Cloudflare | 92% | Argo Optimization |
| CDN5 | 95% | Edge storage |
| Akamai | 94% | Edge intelligence |
| Gcore | 90% | Standard cache |
| Fastly | 89% | VCL customization |
| BunnyCDN | 93% | SSD cache |
| Dimensions | Sudun | Cloudflare | CDN5 | Akamai | Gcore | Fastly | BunnyCDN |
|---|---|---|---|---|---|---|---|
| Chinese mainland accelerates | 10 | 8 | 7 | 8 | 7 | 7 | 5 |
| Global coverage | 8 | 10 | 8 | 10 | 9 | 8 | 7 |
| Safety | 10 | 9 | 9 | 9 | 8 | 6 | 4 |
| Edge computing | 8 | 9 | 6 | 7 | 8 | 9 | 5 |
| Developer experience | 7 | 9 | 7 | 5 | 7 | 10 | 8 |
| Cost-effective | 4 | 8 | 7 | 3 | 7 | 6 | 10 |
| Target area | No CDN Benchmark (ms) | Sudun | Cloudflare | CDN5 | Optimization amplitude |
|---|---|---|---|---|---|
| Chinese mainland (Guangzhou) | 45 | 12 | 28 | 35 | 73% |
| Singapore | 36 | 20 | 36 | 32 | 22% |
| Tokyo | 55 | 33 | 58 | 50 | 24% |
| Sydney | 125 | 78 | 105 | 110 | 22% |
| Bombay | 85 | 62 | 88 | 80 | 15% |
Data interpretation: Hong Kong CDN has the most significant acceleration effect on Chinese mainland users (up to 73%), and also has an improvement of about 20% for Southeast Asia, Japan and South Korea. For long-distance regions (such as Australia and India), Hong Kong node transit still has a certain optimization effect.
* P99 latency < 50ms, jitter < 5ms
* Zero packet loss guarantee
* Anti-DDoS and L7 CC attacks
* First byte time < 1s
* Dynamic content acceleration
* Origin server hiding and cache uninstallation
* Cache hit rate> 95%
* High concurrency throughput
* Low cost traffic
* Emerging market node density
* Localized language support
* Regional compliance capabilities
At the infrastructure level, choice is more important than effort. Only by understanding the underlying logic of network topology and accurately matching CDN capabilities in combination with business scenarios can we gain a latency advantage in global competition. It is hoped that the measured data and architecture analysis in this article can provide a reference for your decision-making in technology selection in 2026.
