Slider Revolution doesn’t work properly with W3 Browser Cache

  • Resolved Hannah

    (@hdev28272671)


    3 years, 9 months ago

    Hello, I think that I may have found an incompatibility between Slider Revolution and W3 Total Cache specifically for the Browser Cache setting, although it may be an issue with how Slider Revolution is making an external request.

    Versions
    – W3 Total Cache: 2.1.1
    – Slider Revolution: 6.4.2

    Try clicking on the hat image in the link provided with the console opened. You will see a failed 500 request. The issue is that the image lightbox will fail to load.

    I first determined that the plugins were incompatible by deactivating W3 Total Cache, which allowed the image to load properly when clicked. Please note that minification is not enabled. Once I reactivated W3 Total Cache, the issue returned, until I deactivated the browser cache.

    Settings when the issue is present:

    Enabled
    – Page Cache
    – Browser Cache

    Not Enabled
    – Minify
    – Database cache
    – Object cache
    – CDN
    – Reverse proxy
    – Lazy load

    Do you have any advice about what might be going wrong here? Should I try to make a ticket with Slider Revolution?

    The page I need help with: [log in to see the link]

Viewing 3 replies - 1 through 3 (of 3 total)
  • Plugin Contributor Marko Vasiljevic

    (@vmarko)

    Hello @hdev28272671

    Thank you for your inquiry and I am happy to assist you with this.
    I am glad that you narrowed the issue to Browser Cache. Now since this is the first issue of this kind reported, it would be great if you could go to Performance>Browser Cache and disable the settings one by one, save all settings, and purge the cache after each setting is disabled and see which one may be causing this.
    Thanks!

    Thread Starter Hannah

    (@hdev28272671)

    Thanks @vmarko :

    OK = Has effect; Image lightbox loads, NOK = No effect; Image lightbox does not load.

    Effect of Disabling Individual Browser Cache General Settings which were previously enabled, then purging the cache.
    – Set Last-Modified header: NOK
    – Set expires header: NOK
    – Set cache control header: NOK
    – Set entity tag (ETag): NOK
    – Enable HTTP (gzip) compression: NOK
    – Prevent caching of objects after settings change: OK

    Okay, so the setting which made the difference was “Prevent caching of objects after settings change“. I will go ahead and disable this setting on production.

    Do you have any other suggestions?

    P.S., Every time I purge the cache on staging, the whole website returns a 500 status code for a minute. Not sure if it is a related phenomenon.

    • This reply was modified 3 years, 9 months ago by Hannah.
    Plugin Contributor Marko Vasiljevic

    (@vmarko)

    Hello @hdev28272671

    Thank you for the information.
    The mentioned option is adding a query string to resources ?xNNNNN, so you should keep it disabled in your case.
    Make sure you are not using DB or Object Caching o shared hosting environment, especially if caching to disk.
    Thanks!

Viewing 3 replies - 1 through 3 (of 3 total)
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