WP Super Cache
WP Super Cache generates corrupt pages (1 post)

  1. johnfpl
    Posted 1 year ago #

    I followed the general guidelines for configuring for PHP caching. All initially seemed fine with massive performance improvements.

    However, I noticed after some time (around 30 minutes) that some pages were being served as complete garbage - looked like UTF8 issues. Lots of searching later and numerous changes to Super Cache config I am still no nearer a reliable solution.

    I have disabled Preload as this appeared to be the initial source, although I'm not now convinced, since the issue still occurs.
    I have tried with compression on and off.
    I have tried with/without the following in the htaccess file:

    # BEGIN compress content
    AddOutputFilterByType DEFLATE text/plain
    AddOutputFilterByType DEFLATE text/html
    AddOutputFilterByType DEFLATE text/xml
    AddOutputFilterByType DEFLATE text/css
    AddOutputFilterByType DEFLATE text/javascript
    AddOutputFilterByType DEFLATE application/js
    AddOutputFilterByType DEFLATE application/xml
    AddOutputFilterByType DEFLATE application/xhtml+xml
    AddOutputFilterByType DEFLATE application/rss+xml
    AddOutputFilterByType DEFLATE application/javascript
    AddOutputFilterByType DEFLATE application/x-javascript
    # remove browser bugs
    BrowserMatch ^Mozilla/4 gzip-only-text/html
    BrowserMatch ^Mozilla/4\.0[678] no-gzip
    BrowserMatch \bMSIE !no-gzip !gzip-only-text/html
    Header append Vary User-Agent
    # END compress content

    Right now I have all caching turned off as I can not risk pages being served as meaningless characters. The result is the site is extremely slow and only marginally more useful than if it served garbage.

    I am no expert but can follow simple instructions! Can some one please give some guidance?

    Many thanks


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