I run Google PageSpeed Insights on my site, and it reports an issue that is "Avoid serving legacy JavaScript to modern browsers", as below: I have no idea of w
coingecko-api
jandex
queryover
tigase
dart-sdk
pandas-to-sql
android-contentprovider
qtcharts
google-search-platform
sh
power-management
appinstaller
duplicates
scintillanet
renewal
mapnik
globus-toolkit
atomic-design
float32
rockmongo
qnap
apache-commons-vfs
python-2.4
rtd
logos
unity3d-unet
opencsv
firewalld
git-merge
lda