< CDN / OSS Speed Test

CDN / OSS Video Speed Test

Use this page to measure delivery speed before/after enabling CDN. Put index.html and video.mp4 in the same folder.

File to test: video.mp4
File size: unknown

Download video.mp4 Open raw file (direct)

How to test (quick):

  1. Open this page locally first: double-click index.html in the folder to test baseline load from local file (browser may show different times).
  2. Upload both files to OSS and test the bucket public URL (direct object URL).
  3. Add CDN and change the page to load through the CDN CNAME; compare network timings in DevTools & download speed.

Developer info (network timing)

Open your browser DevTools (F12) → Network tab. Reload the page and look at: