Company snapshot

CategoryCDNSunTransparent CDN
Statusactiveactive
Founded
Headquarters
Website
Docs

Overview

CDNSun, founded in 2012, is a content delivery network provider based in Prague, Czech Republic. It offers services like website acceleration, video streaming, and software delivery through a network of over 50 points of presence (PoPs) worldwide. Its customer base includes businesses seeking cost-effective CDN solutions, particularly small to medium-sized enterprises. CDNSun emphasizes affordability with a pay-as-you-go model and a 15-day free trial. The service supports HTTP/2 and provides free shared SSL on its *.r.worldssl.net domain.
Transparent CDN, founded in 2015 and headquartered in Madrid, Spain, offers content delivery and web optimization services tailored for e-businesses. The provider focuses on accelerating website performance, optimizing images, and providing detailed analytics through real-time logs. Its services are designed to be accessible via an API-first approach, enabling seamless integration for developers. Transparent CDN serves a range of clients, from small businesses to larger enterprises, with a global network presence. The company emphasizes straightforward pricing and ease of use for performance-focused content delivery.

Network & Architecture

CDNSun operates more than 50 PoPs across five continents, including locations in North America (e.g., Atlanta, Chicago, Dallas), Europe (e.g., Amsterdam, Frankfurt, London), Asia (e.g., Hong Kong, Singapore, Tokyo), South America (e.g., Sao Paulo), and Australia (e.g., Sydney). All edge servers use SSD drives for faster data access and have redundant connectivity to robust internet networks. The network supports global content delivery with a focus on reducing latency for websites and streaming services. Specific routing or peering details are not publicly disclosed, but the provider claims strong performance for global audiences.
Transparent CDN operates a global network with points of presence (POPs) across North America, Europe, Asia, and Latin America, though specific POP counts are not publicly disclosed. The provider leverages HTTP/3 and TLS 1.3 for efficient and secure content delivery. Its architecture supports real-time traffic analytics, which aids in performance monitoring. The network is optimized for general web content and image delivery but lacks specialized capabilities for video streaming or edge computing. Regional strengths include Europe and North America, with growing coverage in Asia and Latin America.

Feature comparison

FeatureCDNSunTransparent CDN
waf
bot_mitigation
ddos
rate_limit
http3_quic
tls13
tiered_cache
origin_shield
instant_purge
stale_while_revalidate
stale_if_error
image_optimization
video_vod
video_live
drm
hls_dash_packaging
websockets
signed_urls
edge_compute
functions
kv_storage
api_first
realtime_logs
log_push
terraform

Legend: ✓ = Supported, ✗ = Not supported, — = Not listed

Pricing

CDNSun uses a pay-as-you-go (payg) model with no monthly or setup fees. A 15-day free trial (free-tier) is available for all services. Pricing is transparent, with custom options for high-volume users, but specific per-GB rates are not publicly listed. SMB-friendly pricing targets smaller businesses. The official pricing page is https://cdnsun.com/pricing/.
Transparent CDN uses a pay-as-you-go (PAYG) model with no minimum commitments, making it accessible for small to medium-sized businesses. Pricing is based on data transfer and requests, though specific per-GB rates are not publicly listed. A free trial is available for testing the service. For detailed pricing, visit https://www.transparentcdn.com/pricing.

Integrations & DevEx

CDNSun offers an API-first approach for managing CDN services, including access to real-time logs. It provides integration support via a dashboard and API, with 24/7 technical support through email, phone, and live chat. No specific Terraform or CI/CD integrations are documented. The service includes tools for testing performance gains, such as ping tests and downloadable test files (1 MB and 20 MB).
The API-first design supports integration with developer workflows, offering programmatic access to configuration and analytics. Real-time logs are available through the Transparent Edge dashboard, aiding in performance monitoring. The provider does not support Terraform or other Infrastructure-as-Code tools, and no SDKs or CI/CD integrations are documented. Migration tools are not explicitly offered, but the API simplifies onboarding for developers familiar with programmatic setups.

When it fits

  • Small to medium-sized businesses needing affordable, pay-as-you-go CDN services with a free trial.
  • Companies targeting global audiences with video streaming or software delivery needs.
  • Developers seeking an API-driven CDN with real-time logs for monitoring.
  • Small to medium-sized e-businesses needing cost-effective CDN services with simple integration.
  • Websites prioritizing image optimization and real-time analytics for performance monitoring.
  • Developers seeking an API-first CDN for programmatic control and global content delivery.

When it doesn’t

  • Enterprises requiring advanced security features like WAF, DDoS protection, or bot mitigation.
  • Businesses needing specialized edge compute, key-value storage, or advanced video features like DRM.
  • Users prioritizing extensive integrations with Terraform, CI/CD pipelines, or specific cloud platforms.
  • Enterprises requiring advanced edge computing, serverless functions, or key-value storage.
  • Businesses focused on video streaming, needing VOD, live streaming, or HLS/DASH packaging.
  • Organizations needing robust security features like WAF, bot mitigation, or rate limiting.

History & Notes