Title: Errors
Last modified: May 26, 2019

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# Errors

 *  Resolved [chitrag135](https://wordpress.org/support/users/chitrag135/)
 * (@chitrag135)
 * [7 years ago](https://wordpress.org/support/topic/errors-209/)
 * How to fix following errors ?
 * Avoid an excessive DOM size 857 elements
 * Serve static assets with an efficient cache policy
 * Ensure text remains visible during webfont load
 * Minimize Critical Requests Depth
 * Keep request counts low and transfer sizes small
    69 requests • 1,826 KB
 * After autoptimize plug in I still have above errors. How to fix one by one ?
    -  This topic was modified 7 years ago by [chitrag135](https://wordpress.org/support/users/chitrag135/).
 * The page I need help with: _[[log in](https://login.wordpress.org/?redirect_to=https%3A%2F%2Fwordpress.org%2Fsupport%2Ftopic%2Ferrors-209%2F%3Foutput_format%3Dmd&locale=en_US)
   to see the link]_

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

 *  Plugin Author [Optimizing Matters](https://wordpress.org/support/users/optimizingmatters/)
 * (@optimizingmatters)
 * [7 years ago](https://wordpress.org/support/topic/errors-209/#post-11573455)
 * dom size: use a simpler theme with less visual elements
 * static assets cache police; probably due to externally hosted files
 * text during webfont load; use `font-display:swap`. if this regards google fonts,
   have a look at [https://blog.futtta.be/2019/05/24/google-font-display-swap-in-autoptimize/](https://blog.futtta.be/2019/05/24/google-font-display-swap-in-autoptimize/)
 * critical request depth; simpler theme, less plugins with elements on frontend
 * request count; simpler theme, less reliance on external services, …
 * nothing specific to Autoptimize really 🙂
 * hope this helps,
    frank
 *  Thread Starter [chitrag135](https://wordpress.org/support/users/chitrag135/)
 * (@chitrag135)
 * [7 years ago](https://wordpress.org/support/topic/errors-209/#post-11573525)
 * where should I add this code ?
 * add_filter(‘autoptimize_filter_extra_gfont_fontstring’,’add_display’);
    function
   add_display($in) { return $in.’&display=swap’; }
 *  Plugin Author [Optimizing Matters](https://wordpress.org/support/users/optimizingmatters/)
 * (@optimizingmatters)
 * [7 years ago](https://wordpress.org/support/topic/errors-209/#post-11573569)
 * easiest and safest way is using [the code snippets plugin](https://wordpress.org/plugins/code-snippets/).
 * (to be clear; this only works if you have the Google Font optimization on AO’s
   Extra tab active for either ‘aggregate & link’ or ‘aggregate & preload’).

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

The topic ‘Errors’ is closed to new replies.

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 * 3 replies
 * 2 participants
 * Last reply from: [Optimizing Matters](https://wordpress.org/support/users/optimizingmatters/)
 * Last activity: [7 years ago](https://wordpress.org/support/topic/errors-209/#post-11573569)
 * Status: resolved