Title: Specify a cache validator
Last modified: May 31, 2018

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# Specify a cache validator

 *  Resolved [imtino](https://wordpress.org/support/users/imtino/)
 * (@imtino)
 * [8 years ago](https://wordpress.org/support/topic/specify-a-cache-validator-5/)
 * I get this recommendation/suggestion from Pingdom and GTMetrix regarding the 
   thumbnails.
 * Specify a cache validator
    The following resources are missing a cache validator.
   Resources that do not specify a cache validator cannot be refreshed efficiently.
   Specify a Last-Modified or ETag header to enable cache validation for the following
   resources: `https://www.xxxxxxxxx.com/wp-content/plugins/wp-youtube-lyte/lyteThumbs.
   php?origThumbUrl=https%3A%2F%2Fi.ytimg.com%2Fvi%2xxxxxxxxxI%2Fmaxresdefault.jpg`
 * Is there anything I can do?

Viewing 5 replies - 1 through 5 (of 5 total)

 *  Plugin Author [Optimizing Matters](https://wordpress.org/support/users/optimizingmatters/)
 * (@optimizingmatters)
 * [8 years ago](https://wordpress.org/support/topic/specify-a-cache-validator-5/#post-10346556)
 * > Is there anything I can do?
 * afraid not, I’ll add some code to fix this for the next release.
 *  Thread Starter [imtino](https://wordpress.org/support/users/imtino/)
 * (@imtino)
 * [8 years ago](https://wordpress.org/support/topic/specify-a-cache-validator-5/#post-10346565)
 * Thank you for the fast reply. I’ll be looking forward to the next release.
 *  Plugin Author [Optimizing Matters](https://wordpress.org/support/users/optimizingmatters/)
 * (@optimizingmatters)
 * [8 years ago](https://wordpress.org/support/topic/specify-a-cache-validator-5/#post-10346716)
 * OK, I just did [a commit on Github](https://github.com/futtta/wp-youtube-lyte/commit/fd7b695fa1aef5820b1d4a2b0149b7ecc2d2edf8)
   that should fix this (and more), would be great if you could [download the zip form github](https://github.com/futtta/wp-youtube-lyte/archive/master.zip)
   and test it?
 *  Thread Starter [imtino](https://wordpress.org/support/users/imtino/)
 * (@imtino)
 * [8 years ago](https://wordpress.org/support/topic/specify-a-cache-validator-5/#post-10348747)
 * Tested it and it’s working beautifully. Thank you.
 *  Plugin Author [Optimizing Matters](https://wordpress.org/support/users/optimizingmatters/)
 * (@optimizingmatters)
 * [8 years ago](https://wordpress.org/support/topic/specify-a-cache-validator-5/#post-10348757)
 * great, I’ll add this to the next release then 🙂
 * feel free to [leave a review of the plugin (and support) here](https://wordpress.org/support/plugin/wp-youtube-lyte/reviews/#new-post)!
   😉

Viewing 5 replies - 1 through 5 (of 5 total)

The topic ‘Specify a cache validator’ is closed to new replies.

 * ![](https://ps.w.org/wp-youtube-lyte/assets/icon-128x128.png?rev=1836005)
 * [WP YouTube Lyte](https://wordpress.org/plugins/wp-youtube-lyte/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/wp-youtube-lyte/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/wp-youtube-lyte/)
 * [Active Topics](https://wordpress.org/support/plugin/wp-youtube-lyte/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/wp-youtube-lyte/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/wp-youtube-lyte/reviews/)

 * 5 replies
 * 2 participants
 * Last reply from: [Optimizing Matters](https://wordpress.org/support/users/optimizingmatters/)
 * Last activity: [8 years ago](https://wordpress.org/support/topic/specify-a-cache-validator-5/#post-10348757)
 * Status: resolved