[Support request] CLS

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  • #2316110

    I have a CLS issue on mobile. Pagespeed insights is showing that it is caused by the hamburger navigation on mobile. What can I do to solve this?

    Customer Support

    Hi Nicole,

    I tried testing your site, and I couldn’t replicate the issue:



    However, upon testing manually on a slow 3g network on mobile, I could see that the cause of the CLS are the ads. They are pushing down the elements upon loading.

    How are you adding the advertisements? You can try reserving a slot for the ads to avoid this.


    Thanks so much for checking this.

    I didn’t see any ads above the image which is why I didn’t think it was the cause.

    How do I reserve a slot?

    Customer Support

    You can use a Hook Element to add your advertisement. Example:

    <div class="add-min-height-for-advertisment-1">
        <!-- you ad script here -->

    Then add this CSS to set a min height for the div for the ad:

    .add-min-height-for-advertisment-1 {
        min-height: 250px;

    Replace 250 with the height of the ad.

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