Here, There is a common Js Error called Widgets.js that occurs in the page speed insight Test. Let's check how you can solve this issue for your Blogger website.
What is Widgets.js in Blogger?
So, as this is not needed, we can safely block the loading of these Widgets.js files and improve website loading speed.
How to fix Widgets.js Error in Blogger
- For this Go to your Blogger dashboard and click on the theme section
- Now in the Drop down menu click on the "Edit HTML" Option.
- Then scroll down till the end and search for the closing body tag (2nd Last line)
- Now you need to replace the existing body tag with the given code and save the theme.
Now the widgets.js issue in your Blogger website will be fixed. I recommend you follow the "Page speed improvement playlist" on Youtube.