WP Super cache not always serving

  • Sometimes I see this header:

    HTTP/1.1 200 OK
    X-Powered-By: PHP/7.0.20
    Content-Type: text/html; charset=UTF-8
    Vary: Accept-Encoding, Cookie
    Cache-Control: max-age=3, must-revalidate
    WP-Super-Cache: Served supercache file from PHP
    Last-Modified: Fri, 30 Jun 2017 01:39:30 GMT
    Content-Length: 13090
    Date: Fri, 30 Jun 2017 01:41:27 GMT
    Accept-Ranges: bytes
    Server: LiteSpeed
    Connection: close

    Sometimes it switches to this one:

    HTTP/1.1 200 OK
    X-Powered-By: PHP/7.0.20
    Vary: Cookie
    Content-Type: text/html; charset=UTF-8
    Link: <https://oneoffmakery.net.au/wp-json/&gt;; rel=”https://api.w.org/&#8221;
    Link: <https://oneoffmakery.net.au/&gt;; rel=shortlink
    Date: Fri, 30 Jun 2017 01:38:08 GMT
    Accept-Ranges: bytes
    Server: LiteSpeed
    Connection: close

    It seems to switch back to the first (correct, WP Cache is working, right?) one when I log in to the admin panel and use the Test Cache feature. It seems to switch to the second (wrong) one after some time.

    Any ideas what could be happening?

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  • Thread Starter gbell12

    (@gbell12)

    What I think was happening was that since I was using curl -I, which only does a HEAD request, WP Super Cache wasn’t creating the cache entry, nor serving it. Visiting the page with a browser would create the entry.

    I’m guessing something was expiring, so the 2nd header is what’s served when there’s no entry.

Viewing 1 replies (of 1 total)
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