Hover over the URL and the entire URL will show in a modal box. Copy and Visit the URL. It will load and take to a page full of codes. Copy the entire code using CTRL + A and paste into a notepad.
Go to blogger.com >> Template >> Edit HTML >> Using CTRL + F search for </body>. Paste the entire code you copied right above </body> using the below format.
Remove the entire code and save your template. Run a text of your blog again and you won’t find that error plus you will gain a drastic increase in blog loading speed.
Avoidfancy widgets like sliders, carousels, scrolling latest post etc because they make use of scripts. Most carousels are either built on FlexSlider, WOWSlider or OWLSlider. So imagine your site making all these requests at once.
If you still think they are necessary for your blog to function, then implement the asynchronous version of it.
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