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Integration

  • Add a CDN Zone
  • Enable Two-Factor Authentication
  • IPv6 Support
  • Limit Access
  • Limit Access By Referer
  • Limit Access Using a Secret Key
  • Limit Access by Country
  • Limit Access by a Single IP Address / IP Network
  • Cache Management
  • Download Speed
  • Error Pages Handling
  • CORS
  • Instructions

Control Panel

  • Dashboard
  • Analytics
  • My Zones
  • SSL
  • Purge Files
  • Storage
  • Billing

Storage

  • Create a Storage
  • Storage Upload
  • Storage FTP Login Credentials
  • Storage Synchronization
  • Storage Remove

Storage Upload Methods

  • FTP or SFTP Upload
  • Upload with Python-Swiftclient
  • Upload Large Files with Python-Swiftclient
  • Upload Through OpenStack Swift API
  • Upload with Rclone

API

  • API Documentation

Billing

  • Add Funds to Your Top-Up CDN Account
  • View Your Billing Information
  • 95th Percentile of the Traffic Bandwidth Pricing Method Explained

Purge

  • Purge Through the API
  • Purge Through the CP

SSL

  • Install Custom SSL For Your CDN Zone
  • Install LE For Your CNAME
  • Install LE Through the API

Live Streaming

  • Universal CDN Live Streaming Services
  • Live Stream Service Use Cases
  • Live Streaming Setup
  • Record Your Streams
  • DVR
  • With Transcoding
  • Without Transcoding
  • Restream
  • Live Stream Cost Formation

Video Streaming

  • Video Streaming Services
  • Delivering HLS Content
  • Combining Transmuxing to HLS with Limit Access Using a Secret Key
  • Speeding Up the HLS Delivery
  • Delivering MPEG-DASH Content
  • Combining Transmuxing to MPEG-DASH with Limit Access Using a Secret Key

CMS Integration

  • Adding UCDN Storage as an Origin With W3 Total Cache Plugin
  • WordPress With W3 Total Cache Plugin
  • WordPress With WP Super Cache Plugin
  • vBulletin
  • Typo3
  • Social Engine
  • Magento
  • Joomla
  • PrestaShop
  • Drupal
  • b2evolution
  • Adult Video Script (AVS)
  • Kernel Video Sharing (KVS)

Compression

  • Gzip & Brotli

Troubleshooting

  • Basic Troubleshooting
  • Browser Dev Tools
  • cURL
  • Traceroute
  • Wget

Support & Feedback

  • Message Us
  • Live Chat

How to Check If a File Is Cached or Not By the CDN?

There are several ways to check if a certain resource has been already cached by the Universal CDN edge servers, by using the DevTools network panel in Chrome, by using Developer Tools Network Monitor In Mozilla Firefox, or by the command-line tool cURL.


Review the following articles to check if a certain resource has already been cached or not by the Universal CDN edge servers:



Browser Dev Tools

cURL


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