Here’s the information from my host, which they got by creating a “new relic.”
There are multiple requests to admin-ajax.php taking 20-80 seconds to complete.
https://www.dropbox.com/s/n2czijv390gibvc/Screen%20Shot%202019-04-08%20at%207.32.55%20AM.png?dl=0
The issue seems related to CustomSidebars? Does that ring a bell? In the screenshot below, we can see the calls being made that are totally up to 80 seconds of load time.
https://www.dropbox.com/s/bxx5xtzes0udvmr/Screen%20Shot%202019-04-08%20at%207.32.27%20AM.png?dl=0
Looking at the plugins/themes data, it does look like custom-sidebars plugin is causing extended load time.
https://www.dropbox.com/s/h4s2aw2ae55kcxj/Screen%20Shot%202019-04-08%20at%207.35.00%20AM.png?dl=0
The max_execution_ time is 300 and the memory_limit is 256M.
I had not changed anything in the sidebars for a while. There were probably 4 or 5 custom sidebars, each containing one shortcode from the Post Snippets snippet shortcode tool. The contents of the snippets were like this:
<div id=”sticky”>
<iframe src=”//cdn.bannersnack.com/banners/bh5qvqsi1/embed/index.html?userId=26524441&t=1546360774″ width=”336″ height=”280″ scrolling=”no” frameborder=”0″ allowtransparency=”true” allow=”autoplay” allowfullscreen=”true”></iframe>
<iframe src=”//cdn.bannersnack.com/banners/bhiyt0a8h/embed/index.html?userId=26524441&t=1552765153″ width=”336″ height=”280″ scrolling=”no” frameborder=”0″ allowtransparency=”true” allow=”autoplay” allowfullscreen=”true”></iframe>
</div>
