How To Fix Unused JavaScript Error To Increase Page Speed?

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How To Fix Unused JavaScript To Increase Page Speed?

What Are Unused JavaScript Files?

Unused JavaScript files are files that are not required for processing the main content of the page.

Why JavaScript Files Are Important?

To load the page faster, the program should deliver just the fundamental assets - mainly HTML code. You need to identify the JS and CSS codes that are responsible for reducing page speed.

Why Should Remove Or Reduce Unused JavaScript?

The unused JavaScript files can greatly influence your site's loading time and visitors experience. The primary measurement included is the First Input Delay (FID), one of the Core Web Vitals measurements.

The First Input Delay (FID) estimates a page's responsiveness by considering the visitors.

Total Blocking Time (TBT) replaces FID as the Lighthouse metric deciding the page's intelligence in view of client input. TBT metric records for 25% of the Lighthouse execution score. It's not difficult to estimate how significant it is and why removing unused JavaScript is essential.

How To Find The Unused JavaScript To Remove Or Eliminate?

There are various ways of dissecting and distinguish the JavaScript files you ought to deal with.
We should go north of two simple and clear devices: PageSpeed Insights and GTmetrix.

Today we will know how to remove unused javascript to increase the page speed. 

How Do I Reduce Unused JavaScript?

Step 1: 

Go to blogger dashboard.

Step 2: 

Then Theme > Customize > Edit HTML.

Step 3: 

Click anywhere in the code area.

Step 4: 

Press Ctrl + F and search for </body>

Step 5: 

Copy the below code and replace the </body> tag with the code.

<!--</body>--></body>

Step 6: 

Save the theme.

You are done.

Conclusion

Hope you have successfully added this code into blogger theme. If you like this way to fix unused javascript error to increase page speed, please share it to your friends.