If there a FOUC (flash of unstyled content), it can be caused by the way Elementor to embed its templates.
Template stylesheets are loaded in the footer, not in a header because the templates embedded cannot be recognized. This can cause a small flash (flicker or FOUC) when the page loads. Let follow to fix it!
Step 1: Go to the Elementor dashboard > Settings > Advanced > CSS Print Method > Internal Embedding
Step 2: Load the CSS files with an action in the functions.php file of your child theme. Here is an example:
Some optimization plugins
If it’s not too much trouble for a FOUC (flash of unstyled content) to be experienced when the “stretch section” include is used. Flash of unstyled content can also happen if you use large/heavy pictures.
That’s all we want to say to you. If you have any question, don’t hesitate to leave a comment below. We will receive and answer as soon as possible.
Credit: Elementor Official
We’re a Digital Team from EngineTemplate with 5 content experts. Our team has 5 years exp in open source Joomla and WordPress, we make daily blogs and build useful resources for everyone who is having issues with open source while using it.
copied straight from an elementor article, none of the solutions they had worked.