Any plans to remove pragma no cache?

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  • Plugin Author Emre Vona

    (@emrevona)

    does it cause any problem for your site?

    Thread Starter matrix

    (@matrixpoland)

    I don’t know but i had warning for this in redmod test. Why use something deprecated?

    Issue with Pragma: no-cache in HTTP Response

    The Pragma header originates from HTTP/1.0 and was originally used only in requests. Using it in responses is non-standard and may cause caching issues.Possible Problems:

    1. Lack of Proper Cache Control
      • Pragma: no-cache only works with HTTP/1.0. Modern browsers and servers using HTTP/1.1 or HTTP/2 ignore it.
      • This can lead to inconsistent behavior across different browsers and proxy servers.
    2. Conflict with Cache-Control
      • If Cache-Control is already set, Pragma may override or contradict it, especially in older caching systems.
      • Example issue:
        • Cache-Control: public, max-age=3600 (allows caching for 1 hour)
        • Pragma: no-cache (says “do not cache”)
        • This can lead to unclear behavior.
    3. Inefficient Caching
      • A proxy server or CDN may treat Pragma: no-cache as a signal to completely disable caching, even if other headers specify otherwise.
      • This can cause slower page loading as everything gets reloaded on every visit.

    How to Fix It?

    Solution: Replace Pragma: no-cache with Cache-Control
    In .htaccess or your server configuration, use:

    Plugin Author Emre Vona

    (@emrevona)

    I will investigate and let you know.

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