Bandwidth usage showing the server itself

I’m noticing on ApisCP, and especially via the access logs, that 90% of the bandwidth is coming from the server itself, via mod_pagespeed. It shows the source IP to be the same IP as my ApisCP server.

Does local traffic via pagespeed count as bandwidth? If so, is there a way to omit that?

Alternatively, are there any other ways to get a more detailed breakdown of traffic so I can get an idea of where its coming from and to (other than analyzing the access_log, which I currently do)?

Pagespeed will make 1 request per asset per domain until TTL expiry. If you have multiple domains masquerading as a single domain, then mapping origin will consolidate requests. Additionally, if cache control headers aren’t set, TTL defaults to 5m.

<FilesMatch "\.(gif|jpg|png|js|css|eot|svg|woff2|json|woff)$">
        FileETag none
        ExpiresActive On
        ExpiresDefault A864000

This will limit self-checking common static assets to every 10 days.

Second, I see how this results in erroneous accounting. It’s been patched in edge with an updated Apache release to filter internal requests.

yum clean all
yum update -y httpd
EditDomain --reconfig --all