Default Caching Strategy
Last update：2025-05-20 10:52:57
For different file types and request methods, CDNetworks CDN platform provides different cache policies and default Cache TTL based on various business scenarios:
- Webpage type: Generally used for web acceleration resources with small content size
- Download type: Generally used for download-related services, where the content size is large
Default Cache Rules for Webpage Types
| Request Type | File/Protocol Type | Default Cache Strategy/Cache TTL |
|---|---|---|
| Cache with Query string | php, aspx, asp, jsp, do, dwr, cgi, fcgi, action, ashx, axd, json | No caching |
| Cache with Query string | shtml, html, htm, js | 12 hours |
| All Requests | cgi | 10 minutes |
| All Requests | mp3, wma | 12–24 hours |
| All Requests | Other Files | 24 hours |
Default Cache Rules for Download Types
| Request Type | File/Protocol Type | Default Cache Strategy/Cache TTL |
|---|---|---|
| Request with Query String | php, aspx, asp, jsp, do | No Caching |
| Request with Query String | mp4, ts, f4v, f4vcrc7z, apk, wdf, cab, dhp, exe, flv, gz, ipa, iso, mpk, MPQ, pbcv, pxl, qnp, r00, rar, xy, xy2, zip, CAB | 30 days |
| Request with Query String | shtml, html, htm, js | 12 hours |
| Requests with Query strings | gif, swf, png, bmp | 24 hours |
| Requests with Query strings | cgi | 10 minutes |
| All Requests | mp3, wma | 12-24 hours |
| All Requests | wmv | 24 hours |
| All Requests | Other file/protocol types | 24 hours |
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