PageSpeed Insights

I have in CUSTOM CODE TOP PHP/PHP.INI HANDLER/CACHE CODE:

# BEGIN WEBSITE SPEED BOOST
# Time cheat sheet in seconds
# A86400 = 1 day
# A172800 = 2 days
# A2419200 = 1 month
# A4838400 = 2 months
# A29030400 = 1 year

# Test which ETag setting works best on your Host/Server/Website
# with Firefox Firebug, Firephp and Yslow benchmark tests.

# Create the ETag (entity tag) response header field
#FileETag MTime Size

# Remove the ETag (entity tag) response header field
Header unset ETag
FileETag none

<IfModule mod_expires.c>
ExpiresActive on
ExpiresByType image/jpg A4838400
ExpiresByType image/gif A4838400
ExpiresByType image/jpg A4838400
ExpiresByType image/png A4838400
ExpiresByType application/x-shockwave-flash A4838400
ExpiresByType application/x-javascript A4838400
ExpiresByType application/javascript A4838400
ExpiresByType text/javascript A4838400
ExpiresByType text/css A4838400
#ExpiresByType text/html A86400
# Default is 2 days below so the line above is not needed / commented out
ExpiresDefault A172800
</IfModule>

On my page i have a twitter feed and it seems running https://developers.google.com/speed/pagespeed/insights/
Is picking up on things like
https://pbs.twimg.com/media/B0-Aia1CAAAHrLk.jpg:small

can this be set in above code?

https://wordpress.org/plugins/bulletproof-security/