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JavaScript Minification Test

What is it?

Checks if any external javascript files used in your page is minified. Minified files reduce page size and overall load time.

Pass rate:

  • Top 100 websites: 96%
  • All websites: 82%
Pass rates of Top 100 US websites
2021

93%

2022

99%

2023

96%

100

75

50

25

0

How do I fix it ?

In order to pass this test you must minify all JavaScript files. For this task you can use an online JS minifier like JSCompress, Closure Compiler or JSMin.
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