Yii 2.0
Yii 2.0
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HTTP Caching

HTTP Caching

  1. Last-Modified Header
  2. ETag Header
  3. Cache-Control Header
  4. Session Cache Limiter
  5. SEO Implications

Besides server-side caching that we have described in the previous sections, Web applications may also exploit client-side caching to save the time for generating and transmitting the same page content.

To use client-side caching, you may configure yii\filters\HttpCache as a filter for controller actions whose rendering result may be cached on the client-side. HttpCache only works for GET and HEAD requests. It can handle three kinds of cache-related HTTP headers for these requests:

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