21YunBox vs. KeyCDN Comparison


21YunBox	KeyCDN Proinity	+	+
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About 21YunBox is a specialized enterprise performance overlay and managed compliance solution for Mainland China. Engineered for global stacks—including Sitecore, Adobe (AEM), Optimizely, Contentful, and Vercel—the platform enables international organizations to achieve local performance parity without requiring a separate codebase or costly infrastructure re-architecture. As a non-invasive stability layer, 21YunBox automates the resolution of "Great Firewall" bottlenecks. It identifies and rewrites blocked third-party dependencies (like Google APIs and YouTube) in real-time, replacing them with high-speed, China-friendly equivalents. Key Capabilities: Zero-Architecture: Maintain global origins (Azure, AWS, Vercel) while 21YunBox stabilizes delivery. Managed Compliance: End-to-end ICP Filing, PIPL security, and MIIT audits. Deep Video Optimization: High-speed delivery for YouTube/Vimeo assets. Fresh-by-Default: Instant visibility for CMS updates with zero manual syncing.	About KeyCDN is a high-performance content delivery network that has been built for the future. It only takes a few minutes to start delivering content to your users at a blazing fast speed. Each edge server is meticulously crafted with an advanced TCP stack, 100% SSD coverage, and much more. Every account, large or small, has access to all of our features, like HTTP/2, Brotli, TLS 1.3, and many more. Our network utilizes IP anycast and our latency-based routing technology for leading performance. Simply add a domain that you would like to supercharge. Optionally make advanced customizations or even use a custom subdomain. Effortlessly add to any CMS, framework, or custom application. Improve image performance by reducing the overall size and using the next-gen formats. Increase image speed by being distributed globally through our premium edge locations.
Platforms Supported Windows Not Supported Mac Not Supported Linux Not Supported Cloud Supported On-Premises Not Supported iPhone Not Supported iPad Not Supported Android Not Supported Chromebook Not Supported	Platforms Supported Windows Not Supported Mac Not Supported Linux Not Supported Cloud Supported On-Premises Not Supported iPhone Not Supported iPad Not Supported Android Not Supported Chromebook Not Supported
Audience Global IT Directors, CTOs, and Marketing Executives managing global enterprise stacks (Sitecore, Adobe AEM, Vercel)	Audience Companies in need of a content delivery software solution
Support Phone Support Supported 24/7 Live Support Supported Online Supported	Support Phone Support Not Supported 24/7 Live Support Supported Online Not Supported
API Offers API Not Supported	API Offers API Not Supported
Screenshots and Videos View more images or videos	Screenshots and Videos View more images or videos
Pricing No information available. Free Version Not Supported Free Trial Not Supported	Pricing $49 per year Free Version Supported Free Trial Supported
Reviews/Ratings Overall 0.0 / 5 ease 0.0 / 5 features 0.0 / 5 design 0.0 / 5 support 0.0 / 5 This software hasn't been reviewed yet. Be the first to provide a review: Review this Software	Reviews/Ratings Overall 5.0 / 5 ease 5.0 / 5 features 5.0 / 5 design 5.0 / 5 support 5.0 / 5 Read all reviews
	Pros & Cons from Real Users Pros KeyCDN makes site loading time very fast. We never faced any downtime using this CDN. It can easily face serious security threats. Easy to integrate with other tools. Supports are very responsive. It gives real-time stats and analytics. Cons In my experience, I didn't have any dislike about KeyCDN. It becomes our favorite content delivery tool.
Training Documentation Supported Webinars Not Supported Live Online Supported In Person Not Supported	Training Documentation Supported Webinars Not Supported Live Online Not Supported In Person Supported
Company Information 21YunBox Founded: 2018 Shanghai / San Fransisco www.21cloudbox.com	Company Information Proinity Founded: 2012 Switzerland www.keycdn.com
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Categories Build Automation Supported CDN Supported Headless CMS Supported Web Analytics Supported Website Builder Supported Website Optimization Tools Supported	Categories CDN Supported DNS Lookup Supported IP Address Intelligence Supported Network Monitoring Supported
CDN Features Content Acceleration Supported DDoS Protection Supported Load Balancing Supported Managed CDN Supported Multi-CDN Switching Supported Reporting/Analytics Not Supported Software Downloads Not Supported Transparent Caching Not Supported Video Streaming Supported Web Application Firewalls (WAF) Supported Show More Features Build Automation Features Automated Testing Supported Build Cache Supported Build Management Tools Supported Build Metrics Supported Change Only Compiling Not Supported Debugging Tools Supported Dependency Management Not Supported IDE Compatibility Not Supported Parallel Testing Not Supported Plugin Library Not Supported Source Code Management Not Supported Version Conflict Resolution Not Supported Web Analytics Features Campaign Management Supported Conversion Tracking Not Supported Form Analytics Not Supported Goal Tracking Not Supported Keyword Tracking Not Supported Multiple Site Management Supported Pageview Tracking Supported Referral Source Tracking Not Supported Site Search Tracking Not Supported Time on Site Tracking Not Supported User Interaction Tracking Not Supported Website Builder Features Auto Update Supported Content Import / Export Not Supported Drag & Drop Not Supported Invoices Supported Landing Pages / Web Forms Not Supported Newsletter Management Not Supported Online Booking Not Supported Online Store Builder Supported Pre-built Templates Supported Real Time Editing Supported SEO Supported Survey Builder Not Supported White Label Not Supported Website Optimization Tools Features Competitor Analysis Not Supported Content Management Supported Keyword Research Tools Not Supported Link Management Not Supported Performance Metrics Supported Problem Area Alerts Not Supported	Show More Features Network Monitoring Features Bandwidth Monitoring Supported Baseline Manager Not Supported Diagnostic Tools Not Supported Internet Usage Monitoring Not Supported IP Address Monitoring Not Supported Real Time Analytics Supported Resource Management Not Supported Server Monitoring Not Supported SLA Monitoring Not Supported Uptime Monitoring Not Supported Web Traffic Reporting Supported
Integrations AWS Amplify Supported Alibaba Cloud Supported Baidu Supported Firebase Supported Gatsby Supported GitHub Supported Gitee Supported Google Analytics Supported Huawei Cloud Supported Jekyll Supported Logit.io Not Supported Matomo Supported Microsoft Azure Supported MySQL Supported P2 for WordPress Supported Ruby Datum Supported Stackreaction Not Supported Storybook Supported Stripe Supported Vercel Supported Show More Integrations View All 41 Integrations	Integrations AWS Amplify Not Supported Alibaba Cloud Not Supported Baidu Not Supported Firebase Not Supported Gatsby Not Supported GitHub Not Supported Gitee Not Supported Google Analytics Not Supported Huawei Cloud Not Supported Jekyll Not Supported Logit.io Supported Matomo Not Supported Microsoft Azure Not Supported MySQL Not Supported P2 for WordPress Not Supported Ruby Datum Not Supported Stackreaction Supported Storybook Not Supported Stripe Not Supported Vercel Not Supported Show More Integrations View All 4 Integrations
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