Hello,

I’ve been noticing a similar problem with a few of my websites as well.

Having this in mind you could try to set a delay for the Google Ads script so that it loads your ads let’s say 5 or 10 seconds after your website content has loaded. That way it would not slow down the initial loading time, and the ads would show up a few seconds later.

You could do that by following the steps here:

https://wpfixit.com/super-slow-google-ad-script/

Basically what you need to do is to change the standard Google Ads script:

<script async src="//pagead2.googlesyndication.com/pagead/js/adsbygoogle.js"></script>
<ins class="adsbygoogle"
style="display:inline-block;width:728px;height:90px"
data-ad-client="ca-pub-UNIQUE_ACCOUNT#"
data-ad-slot="UNIQUE_AD#"></ins>
<script>
(adsbygoogle = window.adsbygoogle || []).push({});
</script>

To the following:

<ins class="adsbygoogle"
style="display:inline-block;width:728px;height:90px"
data-ad-client="ca-pub-UNIQUE_ACCOUNT#" 
data-ad-slot="UNIQUE_AD#"></ins>

<script type='text/javascript'>
(function() {
var done = false;
var script = document.createElement('script');
script.async = true;
script.type = 'text/javascript';
script.src = '//pagead2.googlesyndication.com/pagead/js/adsbygoogle.js';

var createScript = setTimeout(
function(){
document.getElementsByTagName('HEAD').item(0).appendChild(script);
}, 5000
);

script.onreadystatechange = script.onload = function(e) {
if (!done && (!this.readyState || this.readyState == 'loaded' || this.readyState == 'complete')) {
(adsbygoogle = window.adsbygoogle || []).push({});
}
};
})();
</script>

Regards,
Bobby