Gatsby: How to reduce size polyfill.js (78.59 KB)?
Summary
In order to get better performance issues, I have installed gatsby-plugin-webpack-bundle-analyser-v2. I have learned that there is a polyfill-beba213d6201e708199c.js being generated with a whooping (78.59 KB).
I thought that this was generated by .bablerc, yet it seems that I am wrong. What is the best way to reduce the size of this file?
kouliavtsev
All 3 comments
This is a nomodule bundle needed only for browsers that don't support modules (basically IE). It contains a bunch of polyfills necessary for older browsers. So although it might seem chunky, it shouldn't be loaded by many browsers nowadays and therefore not of too much concern.
herecydev
on 14 Sep 2020
As herecydev correctly said this chunk has a nomodule attribute and thus will not be loaded automatically or the majority of the users (speaking in general terms). So luckily there's no further action required for you :)
LekoArts
on 15 Sep 2020
Thanks for the explanation! I assume that this is being loaded continually (based on the browser)?
kouliavtsev
on 16 Sep 2020
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Most helpful comment
This is a
nomodulebundle needed only for browsers that don't support modules (basically IE). It contains a bunch of polyfills necessary for older browsers. So although it might seem chunky, it shouldn't be loaded by many browsers nowadays and therefore not of too much concern.