I have custom icons that work fine on IOS and Android. When I deploy on the Web, a crossed out box appears in each place in the App where my icon should appear.
javafx-8
3nf
keyset-pagination
stl
bscscan
stryker-net
xcode9.1
hana
cakephp
attachment
derby
database-theory
socks
android-bluetooth
angularjs-controller
crosstool-ng
vue-suspense
data-driven-tests
docusignapextoolkit
centura
auto-vectorization
uniform-server
ml-studio
starlark
fee
cfhttpparam
cpu-cycles
scraperwiki
reddison
remote-access