Blogger adds their CSS styles to every templates. These files’ load time will make your site slow. So for a better user experience, Blogger CSS files should be removed. But there isn’t any Settings page for this. Blogger automatically add it’s style sheets. But you can disable the loading with a simple hack.
Blogger Style Sheets
The Blogger CSS files are these :
https://www.blogger.com/static/v1/widgets/4219271310-widget_css_2_bundle.css https://www.blogger.com/static/v1/widgets/1937454905-widget_css_bundle.css https://www.blogger.com/static/v1/widgets/3160349130-widget_css_2_bundle.css
When Blogger updates, the above URL’s will also change. Thus page load increases.
The Blogger CSS files contain the styles of Blogger Native Widgets. If you are using a Blogger Made Template and disable the Style Sheet loading, your site will look ugly. Use this hack only if your blog is using a custom template.
The CSS loading "" tags will appear on the source code of your blog, but won’t be loaded by browsers, because it is wrapped in HTML Comment tag. Browsers ignore the HTML markup inside the comments. So, the Blogger CSS files won’t be loaded.
Disable Loading In Template
Go to your Blogger Blog -> Template -> Edit HTML
After replacing search for the "" element. Before it add the following code :
Copy the code that we moved to a file and paste it after "